I was looking at lag thread eye bolts at Lowes to install my rings into a couple of 2x6 ceiling studs and noticed that every single bolt, even the largest which was 7/16” x 5-1/4”, had the following disclaimer “Do NOT use for overhead lifting, support of human weight, athletic or playground equipment.” The following tensile, yield, proof, and estimated shear strengths are based on the consensus industry standard where applicable. Load limits are based on a safety factor of 4 to 1. www.boltdepot.com • The ball screw standard specifies that dynamic load capacity is based on an L10 life of 1 million revolutions. Stainless-Steel Screw Eyes Lag Thread (10-Pack) Attach your household items easily with this Attach your household items easily with this 10-pack of Hillman stainless steel screw eyes. Stainless steel construction resists corrosion and impact, while a sturdy loop design allows screw eyes to bear weight up to 1lb. † Always apply load to eye bolt in the plane of the eye, not at an angle. when used with rope of an equal load-capacity rating. info@boltdepot.com • 866-337-9888. Product catalog | See here and here. Customer service | d thread size : M8: M10: M12: M16: M20: M24: M30: M36: Lifting capacity, axial per eye bolt kg: 140: 230: 340: 700: 1200: 1800: 3200: 4600: Lifting capacity per eye bolt ≤ 45° 100: 170: 240: 500: 860: 1290: 2300: 3300: Lifting capacity per eye bolt, with bolt fitted at sides of load, ≤ 45° Proof load is defined as the maximum tensile force that can be applied to a … Standard forged eye bolts should not be used with angular lifts. In the table, As has been taken as equal to At . It's been swinging 2 or 3 adults off and on, plus the weight of the swing, since 1957. Gold finish lends a pleasing aesthetic while blending effortlessly with surroundings. Product catalog | Fastener information loading must never be made at an angle greater than 45 from bolt centerline. A typical range for proof strength for steel is 50 to 100 kpsi (i.e., a screw with a 1 square inch cross-sectional area of steel can hold up to 50,000 to 100,000 pounds). The minimum threaded shank length of Eyebolts must be one thread diameter to attain the rated capacity. 1,000 to 9,999 lbs. At the same time, the eye bolt itself has been reduced to 25% of it's original capacity. Forged steel. My porch swing hangs from two screw-eyes in an ordinary 2 x 4. P S = p s A s. where: p s is the shear strength of the bolt A s is the shear area of the bolt. The shear capacity of the bolt is given by . Sharp point and thread offer quick, hassle-free installation by hand. The shear capacity given in the tables must be reduced for large packings, large grip lengths, kidney shaped slots or … Always be sure threads on shank and receiving holes are clean. Shoulder Eyebolts should not be used for angular lifts greater than 45º. Screw eyes are designed for vertical hanging from wood. Recommended for straight line pull. +44 (0)1384 563357 www.brooksforgings.co.uk note: this method is correct for collared eyebolts as illustrated and eyebolts with link it is not permissible for dynamo eyebolts which are designed for axial lift only. If you’re thinking about hanging a nice potted plant or maybe a birdcage from a 2 x 6 rafter in the ceiling, then a 3/16″ screw eye will probably work just fine, and you could put as much as 40 or 50 lbs on it. Shoulder Eye Bolts Never Exceed Working Load Limits. Contact us. To me, an eyebolt implies machine threads and a nut, a screw-eye implies wood threads. 1-5/8 in. Types of Eyebolt. Check for bends, cracks, or worn threads. • Curled Eye Bolts • Ring Eye Bolts • Nib End Eyebolts • Scaffold Restraint Eyebolts • Eyebolts & Eyenuts to BS1320. Do not use to lift loads as this might cause the hook to bend and the load to drop. Never machine, grind or cut eye bolt. † Never exceed the capacity of the eyebolt – See Table 1. Toll free: 866-337-9888, Home | Load-carrying Capacity of Self-tapping Lag Screws for Glulam-lightweight Concrete Composite Beams. * These diameters have higher load ratings because they are only available in small eye diameters. Standard forged eye bolts should not be used with angular lifts. 10,000 to 19,999 lbs. reference page i rated capacity refers to eye bolt only. Caution. If a lag screw with a 5/16-inch shaft is installed correctly, it can withstand pull-out, or withdrawal, of up to 212 pounds in close-grain hem, fir and redwood, and up to 266 pounds in larch Douglas fir, according to information from the American Wood Council. d) For structural bolting: 70000 N (M12), 95500 N (M14) and 130000 N (M16) Mass and Weight - the difference ; Bolt Torque Calculator; US Bolts - Tensile Strength and Proof Loads ; Proof Load. If an angular lift is required, a properly seated shoulder pattern machinery eye bolt must be used. Wire eye bolts should never be used with angular lifts. The result of these tests must not be lower than 6 times the working load limit (WLL) marked on the lifting eye bolts and lifting eye nuts. In stock and ready to ship. +44 (0)1384 563356 | fax. Below are important elements you should take into account before buying eye bolts for next project: • Is it made from bar … Load limits are based on a safety factor of 5 to 1. www.boltdepot.com • warning rated capacity is drastically reduced when loading at any angle. Hot dipped galvanized. For angular lifts, adjust working load as shown above. Your Account (133,500 N) and with an end fixity of one end fixed and the other end supported - the minimum selection is a 1.750 x .200 precision plus inch ball screw assembly. Of course, as the diameter of your screw … Instead, the load is a function of its cross-sectional area. A lag screw can have as much as a nine times greater bonding factor to wood than a regular nail. α safe working load Your Account Contact us. info@boltdepot.com • Load limits are … If an angular lift is required, a properly seated shoulder pattern machinery eye bolt must be used. Fastener information Working load limits for eye bolts are based on a straight vertical lift in a gradually increasing manner. Dynamic load capacity and the L10 life calculation are defined by the ISO 14728-1 standard for linear bearings, and by the ISO 3408-5 standard for ball screws. Forged: These eye bolts are forged as one piece rather than formed and have a continuous eye and shoulder. Assembly Safety: Never exceed Work Load Limits specified in Tables 1 & 2. Angular lifts significantly reduce Shoulder Eyebolt Rated Capacities. For example, when using a Crosby eye bolt with a tight sling angle of 30 degrees the tension applied to the eye bolts during the lift will be two times the weight of the load being lifted. Never use regular nut eye bolts for angular lifts. Wire eye bolts should never be used with angular lifts. Terms and conditions | The 2 by is different, it was salvaged from the old house built around 1910. Load Calculator. ... Vertical Capacity; Less than 1,000 lbs. rpm TravelRate in Always use shoulder nut eye bolts for angular lifts. Load limits are based on … Metric Thread Collar Eyebolt - Range from 100kg to 30,000kg - High Tensile Collared Eye bolt to BS4278 Table 1 1968 and 1984 with Course Thread M6 to M10 But that may just be my idea. Quenched... Read More » SHOULDER TYPE MACHINERY EYE BOLTS. Never use regular nut eye bolts for angular lifts. This standard test is accepted as indicating indefinite life when used within the working load limit under normal circumstances. Shear is not part of any industry standard and the values presented below are estimations based on 60% of the ultimate tensile strengths. Inspect and clean the eye bolt threads and the hole. 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