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Nylon sheave Copyright 2023 Carl Stahl Sava Industries, Inc. All rights reserved. See more ideas about pulley, block and tackle, pully system. By signing up, you agree to our Terms of Use and Privacy Policy. The two main types of materials used is Stainless Steel and Carbon Steel. By using a long bar to turn the screw, a small force at the end of the bar can create a large thrust force. Compare. JavaScript seems to be disabled in your browser. In belt drive, pulleys are affixed to shafts at their axes, and power is transmitted between the shafts by means of endless belts running over the pulleys. Qualify for the Affordable Connectivity Program for an additional $30/mo. Double block Key Features; Machined from solid 6061 T6 aircraft aluminum 0 out of 5 from 0 reviews Write your own review. For the best experience on our site, be sure to turn on Javascript in your browser. Connect multiple devices at once. Discover ARB's all-new Slide Kitchen and more. Bundle fiber-powered AT&T Internet with a DIRECTV package. 15-day free trial to see how well T-Mobile 5G operates in your home. In belt drive, pulleys are affixed to shafts at their axes, and power is transmitted between the shafts by means of endless belts running over the pulleys. $115.00. Zenith Wire Rope Grips Stainless Steel 6mm - 2 Piece. Carbon Steel finishes can be Hot Dipped Galvanized,. Single nylonsheave Stay updated on the latest products and services anytime anywhere. Our industrial cable cutters are the ultimate wire rope and cable crimping tool. Grade 304 stainless steel (0.033 0.042 0.060). All Rights Reserved. Sava offers four different locking and nonlocking push-pull controls for cable assemblies. This Gym Cable 6 x 19 Fiber Core 1 Metre is a super strong steel cable that lets you fix or replace your broken gym cables right! Custom sizes and capacities are available at request They require about half the force of a single-groove pulley to . Zinc Plated for moderate corrosion resistance Single wheel Suits rope up to 8mm in diameter Zenith 64mm heavy duty pulley features a single swivel wheel for smooth and easy operation. Also, visit our over-the-counter galvanized cable products for speedier turnaround FEP coated cable, which is commonly known as Teflon coated cable, is best-known for its frictionless and chemical inertness, meaning that this extrusion material requires less force to achieve movement and can withstand a variety of chemical environments. Suits 6mm rope, Removablepin Cap and machine screws are used to clamp machine parts together, either when one of the parts has a threaded hole or in conjunction with a nut. Frontier Speeds up to 5,000 Mbps. These include ratchet pullers, hand winches and manual winches as well as steel wire rope, spare cable for pullers and replacement shear pins for wire rope pullers. The Greek mathematician Archimedes (3rd century bce) is reported to have used compound pulleys to pull a ship onto dry land. Viasat Speeds up to 100 Mbps. For the best experience on our site, be sure to turn on Javascript in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. Chat; Email; Close. Pulleys are a simple piece of engineering which allows you to lift objects up and down using a cable or rope. Suggestions will appear below the field as you type, Please sign inor create an accountto use Project Lists, Taskmaster D-Shac 6mm Galvanised Bow Shackle, Pinnacle 8mm 5/16" x 1m Stainless Steel Chain, Pinnacle 8mm 5/16" x 8m Stainless Steel Chain, Pinnacle 6mm 15/16" x 12m Stainless Steel Chain, Pinnacle 6mm 15/64" x 19m Stainless Steel Chain, Zenith 8mm Stainless Steel Snap Link Bolt, Taskmaster 88 x 65.3mm 316 Stainless Steel U Bolt, Zenith 6mm Zinc Plated Rope Splice Clip - 2 Pack, Pinnacle 3 x 3.2mm 316 Stainless Steel Swageless Balustrading Kit, Grunt 8mm Brass Plated Grommet Webbing Accessory - 50 Pack, Pinnacle Black Timber Hook/Eye Turnbuckle Balustrading Kit, Taskmaster 8 x 75mm 316 Stainless Steel S Hook, GRUNT Galvanised Heavy Duty Recessed Rope Mount, Taskmaster 8mm Stainless Steel Cap Pin D Shackle, Zenith M12 x 250 x 30mm Galvanised Eye Bolt, Zenith M10 x 160 x 30mm Zinc Plated Eye Twist Screw, Zenith M8 x 75 x 43mm Galvanised Square U Bolt, Zenith 8mm Black Shock Cord Button - 8 Pack, Plan out the products you need for your project, Add your completed Project List directly to your cart. Download as much as you want with unlimited data. If you have any questions about our range of winches and pulleys, then please get in touch. Stream on your own screen. A pulley is a great solution for lifting heavy irregular shaped objects off the ground, making them ideal for use . Sort by Show 24 36 48 View as from $18.99 Wire Rope Sheave from $6.74 (0) $10 .03. Maybe youve heard of 1:1, 2:1, and 4:1 pulley systems before? Sava's wire snap hooks are made of solid wire, ensuring the full-rated strength of the fitting. Sizes 75-150mm All rights reserved. Compare. A pulley can provide a lifting advantage, which significantly reduces the load weight, even cutting the weight in half in some instances. Heads are either square or hexagonal. A pulley system is used in conjunction with wire rope or other types of rigging ropes, by looping the rope through the pulley (around the sheave) several times before hooking to the object. Grade 304 stainless steel Rest assured that your complex cable pulley system requirements are being handled by an ISO 9001:2015-compliant expert with expertise in creating many different types of pulleys, and pulley system designs. Although the Pythagorean philosopher Archytas of Tarentum (5th century bce) is the alleged inventor of the screw, the exact period of its first appearance as a useful mechanical device is obscure. DIRECTV brings you every live NFL game, every Sunday with NFL SUNDAYTICKET. Customized Industrial Safety Snap Hook Manufacturer, A World-Class Stainless Steel Cable Manufacturer, A Trusted Galvanized Steel Mechanical Cable Supplier, Mechanical Cable Made From Exotic Materials. Single 75mm diameter block $39.99 $ 39. Access AT&T Wi-Fi Hot Spots across the US. We treat your data like it's family. Ratings reflect customer satisfaction with cost and monthly fees. Recent All time. Grade 304 stainless steel. What are the best internet providers in Ypsilanti, Michigan? Our customized solid pulley catalog contains many types of pulleys including popular bearing-mounted pulleys, custom timing pulleys, nylon pulleys, to our high-enduranceBlack Delrin pulleys, and cable/cord idler pulleys, our wide selection offers the diversity you should expect. Get help anytime with 24/7 customer service. Support. Pulleys are a simple piece of engineering which allows you to lift objects up and down using a cable or rope. Wood screws are made in a wide variety of diameters and lengths; when using the larger sizes, pilot holes are drilled to avoid splitting the wood. Rest assured that your complex cable pulley system requirements are being handled by an ISO 9001: . Carl Stahl Sava Industries' in Carl Stahl Sava Industries' precision cable cutters and wire rope crimping tools reduce the likelihood of cable fraying and poor structural integrity when building your cable assemblies. More wires per strand than other wire rope provides the flexibility required for repeat bending over drums and pulleys. Workpiece tables on machine tools are moved linearly on guiding ways by screws that rotate in bearings at the ends of the tables and mate with nuts fixed to the machine frame. Join 9,320,000 engineers with over 4,830,000 free CAD files Join the Community. 4.7 4.7 out of 5 stars (126) Limited time deal. The flexible push-pull cablehardware that we provideistrusted forindustrial cable assemblies, and acrossapplications inmany different markets, andyour organization's applications can rely on our housing and casings. to 350 Lbs. *Satellite internet provider customer ratings from HighSpeedInternet.com. Their minimum breaking strength ranges from 40 to 90lbs, our inventory offers both black DACRON rope, and white DACRON rope and they come in 3 different cord diameters. Their compact and lightweight design makes them ideal for carrying to different areas on site. A one-wheel pulley allows you to change the direction of the force you have to apply to lift the load by pulling down to lift a load upwards. T-Mobile Speeds up to 182 Mbps. Manufactured by CAPT to the highest standards, they are made from S45C, GG25, FFF40, aluminium, nylon and stainless steel. The Treble Sheave Block features high-quality beckets standard on all single, double and triple blocks; plus bronze brushes and safety latches are Nylon sheave The thrust (usually to lift a heavy object) is created by turning the screw in a stationary nut. Suitable for steel and synthetic ropes. Szobody Kids 393 subscribers Subscribe 175K views 3 years ago This video explains the process of building a. Plan out the products you need for your project, Add your completed Project List directly to your cart, Load rated heavy duty pulley for consumer confidence, Zinc Plated for moderate corrosion resistance, Single wheel. Pulleys with grooved rims are called sheaves. Grade 304 stainless steel. Screws that modify force and motion are known as power screws. Sheaves, pulleys and snatch blocks are a system where a rope, or wire is wound around one or more wheels, and used to take the force of a load and make lifting easier. pulley - Recent models | 3D CAD Model Collection | GrabCAD Community Library. A pulley is a great solution for lifting heavy irregular shaped objects off the ground, making them ideal for use on building sites. FREE delivery Wed, Mar 8 . Also known as groove gauges, these measure the groove of your pulley to check for wear as well as determine the correct wire rope size. The force required diminishes proportionately with the amount of pulleys or "loops" used during the hoist. Whether you are lifting, pulling, or hoisting, our comprehensive range of winches and pulleys are ready for the job no matter how large or small the job! Zenith Galvanised Rope Thimble 10mm. One or more independently rotating pulleys can be used to gain mechanical advantage, especially for lifting weights. Industrial Cable Cutters Request a quotefor the custom cable pulley systems matching your specifications today. Portable Winch Double Swing Side Self-Locking Pulley 9000-lb. They are available in three different maximum diameters (0.188, 0.250 & 0.375), and constructed for heavy-duty, medium-duty, and light-duty applications. Nylon sheave Thats why, as a pulley manufacturer with extensive experience outfitting the world with the right wire rope pulley catalog, Sava provides our wire pulley systems for a variety of applications and working environments. SuperLift's range of sheave blocks is extensive:- Get a quote today, and see the industries our cable hardwa Industrial Cable Cutters We stock a wide range of Lifting, Lashing and Towing products. Its brake holds the load in any position, making it safer to operate. Details Dimensions Product Package Specifications Colour Stainless Steel Model Name Pulley Model Number HSS8225 Material Stainless Steel 316 Returns The invention of the water screw is usually ascribed to Archimedes, but evidence exists of a similar device used for irrigation in Egypt at an earlier date. Customer Care 1-800-222-5381. Suits rope up to 8mm in diameter. BROWSE CATALOG. Zenith Wire Rope Grips Stainless Steel 8mm - 2 Piece. It includes a 1/4-inch aircraft-grade braided steel cable and a heavy duty steel frame to withstand the elements. Product Code: Z-CB-CABLE. These include, , spare cable for pullers and replacement shear pins for, If you have any questions about our range of winches and pulleys, then please. In the 1st century ce, wooden screws were used in wine and olive-oil presses, and cutters (taps) for cutting internal threads were in use. Our mini hand ratchet pullers are specifically designed for wire pulling. They're made up of a wheel on an axle that rotates, allowing the rope or cable to feed around the groove within the wheel. Suggestions will appear below the field as you type, Please sign inor create an accountto use Project Lists. JavaScript seems to be disabled in your browser. With a galvanized steel construction and 1/4-inch aircraft-grade cable, this TR Portable Power Puller can pull a maximum of 4 tons of weight, with a 2-ton safe working load limit. Our in-house experts understandthedynamics of custom pulley systems and can create a custom pulley solution for your organization. The screw press, probably invented in Greece in the 1st or 2nd century bce, has been used since the days of the Roman Empire for pressing clothes. $1650. Mechanical cable wire snap hooks are best suited for smaller cables. See reviews, photos, directions, phone numbers and more for Wire Pulley Sheaves locations in Ypsilanti, MI. Subscribe to ARB to receive your regular 4x4 CULTURE magazine, exclusive ARB promotional news and . Availability, channels, and speeds displayed are not guaranteed. In stock and ready to ship. Be sure to check out our over-the-counter cable offerings as well Sava has been making galvanized steel cable since our modest begnnings 50 years ago. View online or pick up in store. How satisfied customers are with channel selection and packaging value. Mechanical cable wire clamps are a fast and convenient way to hold cable and maintain the full-rated breaking strength of the cable. Other sizes available upon request Choose from a range of fast, reliable internet speeds. We stock a wide variety of winches and pulleys used for lifting and transporting applications. Pulleys are used singly or in combination to transmit energy and motion. We will gladly assist with returns and exchanges of this product in accordance with our returns and exchanges policy. Suits rope sizes 13-18mm, Stainless steel mame block Get internet + streaming (Peacock Premium) for only $30/mo when you add Xfinity Mobile to your plan. Belts and Pulleys. Zenith 85 x 4.8mm Brass Plated Ceiling Hook - 2 Pack. The mini hand ratchet pullers we stock are robust and specially constructed for wire pulling. (3) $5 .90. We stock pulleys in different diameters each offering different load capacities. Were a pulley manufacturer that provides guidance on cable pulleys as well as customized products forindustry-specific applications,and customer specifications. Push-Pull Cable Casing Browse without data caps and overage fees. HughesNet Speeds up to 25 Mbps. For lighter loads, our manual worm winches come in 250kg and 500kg load lifting capacities. Grunt 4mm x 20m Black Multi Purpose Rope. Not all offers available in all areas. If you are working with aluminium wire, our aluminium wire rope pullers are what you need. Extreme corrosion protection Suitable for marine applications Used to lift loads and transmit power via a rope. However, supplying heavy-duty, light-duty, and small and large cable pulleys is only one facet of our capabilities. New Product Releases. Break Strength, Model# PCA-1272 Only $ 267. Category. Our Wire Rope Sheaves are cast iron, and perfect for use in a variety of industries, including construction, transportation, infrastructure, mining Our Grade 304 Stainless Steel Sheaves with Bronze Bushes are ideal for marine applications that require a high level of durability and resistance a Beckets are standard on all single and double blocks Stainless steelmameblock These hooks are made of stainless steel wire and are commonly used on the end of a looped length of wire rope and on the end of fishing line. With eye plate Taskmaster 6 x 80 x 12mm 316 Stainless Steel Eye Bolt Weld. This item is in stock! A screw jack converts torque (turning moment) to thrust. Choose from our selection of cable pulleys, including over 400 products in a wide range of styles and sizes. Materials used to construct terminals are plated steel, stainless steel, and brass. *Pricing subject to change. Enjoy high-speed, fiber-optic technology. All Lifting is continually expanding its operations with locations across Australia, now in Sydney, Brisbane, Melbourne, Newcastle and offering mobile testing services in the Gold Coast and Country QLD regions. We stock a wide variety of winches and pulleys used for lifting and transporting applications. (0) $3 .17. An introduction to various Cable Pulley Systems and what they mean for you and your training in the gym.Like, Subscribe and hit the bell icon to stay informed about all our new content! The 8-inch pulleys can hold up to 100 feet of cable (which is sold separately) and can be either mounted to a wall or a pole. Sava offers 4 differentindustry-leading high-strength, abrasion-resistant braided DACRON cord models. Although Carl Stahl Sava Industries is known for producing the worlds tungsten, stainless steel and galvanized steel mechanical cable, exotic wire rope materials remain a less common, yet critical member of our family of cable offerings. A galvanized cable connects the two, making your laundry free to dry in the warm breeze and sunshine. T185, two choices of 20 cable Sava manufactures a complete line of tungsten mechanical cable constructions to suit any motion control obligation. (0) $4 .98. With becket attached Aluminum Pulley FIXED SIDE PULLEY - 1 1/4 aluminum, this lightweight and durable pulley is an ideal choice for various applications. The worm winch is fitted with a dual-speed feature which allows rapid lifting of light loads. Fully interchangeable sheaves Nylon sheave See all Stores . Additional $30/mo. Our manual worm winches are fitted with a dual-speed feature which allows rapid lifting of light loads, and our aluminum wire rope pullers can be used at any working angle and are ideal for moving vehicles, machines and other heavy objects. Close. Our stainless steel wire rope snap hooks are used to terminate a cable end, allow attachment to a device and allow swiveling. Available in single or double configuration pulley - Recent models | 3D CAD Model Collection | GrabCAD Community Library. $1210. When a loop is required, a wire rope clip, combined with a thimble, ensures the full-rated breaking strength of the cable and protects mating components from damaging metal-to-metal contact. Manufactured with the highest quality steel available Suggestions will appear below the field as you type, Please sign inor create an accountto use Project Lists, Taskmaster D-Shac 6mm Galvanised Bow Shackle, Zenith M6 x 125 x 14mm Galvanised Eye Bolt, Taskmaster 6mm 316 Stainless Steel Eye Nut - 2 Pack, Goliath Zinc Plated Heavy Duty Lashing Ring Fastener, Zenith M8 x 100 x 18mm Zinc Plated Eye Bolt, Zenith 75 x 4.8mm Zinc Plated Ceiling Hook - 2 Pack, Zenith 10 / 15kg White Small Swivel Ceiling Hook, Taskmaster 13mm 316 Stainless Steel D Shackle, Zenith M10 x 148 x 25mm Galvanised Eye Bolt, Taskmaster 6 x 64 x 14mm 316 Stainless Steel Eye Bolt - 2 Pack, Grunt 3mm x 20m Multi-Purpose Utility Cord, Zenith M8 x 133 x 19mm Galvanised Eye Bolt, Taskmaster 10mm 316 Stainless Steel Long D Shackle, Taskmaster 10mm 316 Stainless Steel Square Eye Plate, Taskmaster 5mm 90kg 316 Stainless Steel D Shackle, Taskmaster 5mm 316 Stainless Steel Square Eye Plate, Taskmaster 10 x 150 x 25mm 316 Stainless Steel Eye Bolt, Zenith M6 x 200 x 14mm Zinc Plated Eye Bolt, Zenith 90 x 7.6mm Zinc Plated Ceiling Hook - 2 Pack, Zenith M6 x 100 x 14mm Galvanised Eye Bolt, Pinnacle 50 x 55 x 13mm M12 Zinc Plated Eye Nut, Zenith 75 x 4.8mm White Powder Coated Ceiling Screw Hook - 2 Pack, Taskmaster 10mm 316 Stainless Steel Eye Bolt - 2 Pack, Taskmaster 5mm 316 Stainless Steel Wire Eye Strap - 12 Pack, Taskmaster 6mm 316 Stainless Steel Eye Bolt - 2 Pack, Plan out the products you need for your project, Add your completed Project List directly to your cart. In stock and ready to ship. Recent All time. Maximum load 250N/mm2. Sealed bearings for increased Grade 316 stainless steel Browse our tungsten cable solutions below and contact us to get started building your tungsten strand Sava offers a comprehensive line of stainless steel mechanical cable constructions. The setscrew fits into a threaded hole in one member; when tightened, the cup-shaped point is pressed into a mating member (usually a shaft) and prevents relative motion. Corrosion resistant, particularly in a salt water environment If you are working with aluminium wire, our aluminium wire rope pullers are what you need. Customer satisfaction with installation fees and scheduling. This wire rope puller can be used at any working angle and are ideal . We offer 10 different push-pull cable design models. Moveable aluminum side plates with smooth rounded edges for snag free performance. Concho Cable Pulley System Gym, Upgraded Weight Pulley System with 3 Detachable Handles, LAT and Lift Pulley Attachments for Biceps Curl, Triceps, Chest Workout - DIY Home Gym Fitness Equipment. See our 3 different cable cutter models below. 2023 All Lifting | The Lifting Equipment Experts since 1974 | Website by TechTidy Consulting, {"id":"", "email":"","default_address":null,"first_name":"","last_name":"","name":"" }, {"domain":"all-lifting-staging.myshopify.com" }. It's a sturdy unit if you prefer a pulley-style clothesline.. Plastic Replacement Pulley Wheel Use with Swivel with Integrated Pulley FOR MORE INFORMATION Phone: 1-800-501-3179 Receive Promotions & Discounts By Email! How to make a Pulley/Winch System that Raises a (warhammer) Table to the Ceiling!! Catalogue. Stainless Steel types discussed in the video are Type 304 and Type 316. Minimum steel wire hook breaking strengths range from 30 Lbs. Hardfast Split Link Zinc Plated 5 x 25mm - 2 Pack. Taskmaster 10 x 150 x 25mm 316 Stainless Steel Eye Bolt. Choose from our selection of pulleys for wire rope, mounted pulleys for wire rope, hanging pulleys for wire rope, and more. Double block Savas inventory offers seven different reliable wire rope cap, terminal models. A pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Stainless Steel Blocks, Sheaves & Pulleys, Stainless Steel Sheaves with Bronze Bushes, Stainless Steel Mame Block Nylon Sheave with Becket, Stainless Steel Block with Swivel Head and Stainless Sheave, Stainless Steel Block with Swivel Head and Nylon Sheave, Stainless Steel Mini Block with Removable Pin, Stainless Steel Mame Block Double Nylon with Eye Plate, Trawl Block with Swivel Eye Bronze Bushed, Stainless Steel Mame Block with Eye Plate. $350. Our range of timing pulleys Statewide Bearings also supply a range of timing pulleys for high levels of efficiency, low maintenance and economical industrial operations. They're made up of a wheel on an axle that rotates, allowing the rope or cable to feed around the groove within the wheel. Single eye type Grade 304 stainless steel, Removable pin 99. The shafts about which the pulleys turn may affix them to frames or blocks, and a combination of pulleys, blocks, and rope or other flexible material is referred to as a block and tackle. Customer satisfaction with the reliability of the TV signal. Grade 304 stainless steel, With becket Check out our line of constructions offerings. Recommended working load limit of 300kg. Available in single, double and triple configuration Compare. Recommended working load limit of 300kg. Speeds up to 182 Mbps. Please consult with one of our lifting specialists at All Lifting to ensure you secure the correct pulley for your lift. Also, head over to https://www.themusclementors.co.uk/ to check out our Education Portal.Cable stacks will always have some sort of pulley system involved, that changes the amount of load we end up dealing with, and also the distance the load moves through space.These factors, particularly the second one, carry some implications for how fast we should perform certain exercises if we're looking to maximise the challenge on the muscles we're aiming to train. Abrading & Polishing; . Nylon sheave Cable Pulley Systems: 1:1, 2:1, 4:1 Cable Systems Explained - The Muscle Mentors Education Luke Hoffman 8.72K subscribers Subscribe 10K views 1 year ago An introduction to various Cable. Either way, by the end of this video, you'll have an appreciation of what these different systems look like (so you can identify them yourself), and also how the pieces of equipment that incorporate them can be more effectively programmed into your own and your clients' training.If you found this useful please like, subscribe, share and comment so we know what you guys learn best from and what you wanna know more about This place is about YOU.We've got more awesome content coming out to help on this front, but if there are any specifics you want to know about, drop it in the comments.Thanks for watching, engaging, and growing with us!----------------Make sure to follow us on Instagram @themusclementors for more great content to help your coaching business, improve your understanding of exercise mechanics, hypertrophy, and more.Our IG: https://www.instagram.com/themusclemeSee you in the next one! The Muscle Mentors Customer satisfaction with quality of customer service and technical support. The worm winch is fitted with a dual-speed feature which allows rapid lifting of light loads. Details Dimensions Product Package Specifications Colour Zinc Plated Model Name These include ratchet pullers, hand winches,and manual winches as well as steel wire rope, spare cable for pullers and replacement shear pins for wire rope pullers. Join 11,620,000 engineers with over 5,570,000 free CAD files. With over 40 years of industry experience, All Lifting offers a total solution to lifting, rigging and height safety products and services. Find your ancestry info and recent death notices for relatives and friends. Bronze brushes and safety latches are standard Add to Cart Compare . Grade 304 stainless steel, Stainless steel siene block Find shows fast with the X1 Voice Remote. Grade 304 stainless steel, Stainless steel snatch block Our cap terminals are offered in 4 different minimum mating cable diameters (0.045, 0.018, 0.036, and 0.093) and four different maximum mating cable diameters (0.063, 0.027, 0.050, and 0.093). Nitinol, titanium, Vitallium, Inconel and Molybdenum round out Savas compliment of specialty mechanical cable materials At Carl Stahl Sava Industries, we understand the relationship between cable pulleydesign and your application's complex requirements. Browse our selection of mechanical cable wire snap hooks and contact Wire Snap Hooks- Stainless Steel Sava Industries offers 6 different stainless steel brass swivel wire snap hooks. We also have overseas locations in Indonesia, Singapore, and Papua New Guinea. Hardfast Eye & Eye Turnbuckle Stainless Steel 5mm. Get to know the six types of simple machines, This article was most recently revised and updated by. Grade 304 stainless steel, Small swivel head block Our lifting products consist of Horizontal and Vertical Lifting Clamps, Chain Hoists and Trolleys, Winches and Pulleys, Drum Lifters, Webbing and Round Slings and a wide range of Lifting Chains. Save money by bundling with select AT&T wireless plans. Xfinity Speeds up to 1,000 Mbps. Software. Lag screws are large wood screws used to fasten heavy objects to wood. A screw is a usually circular cylindrical member with a continuous helical rib, used either as a fastener or as a force and motion modifier.