This specification covers weldless forged, quenched and tempered carbon steel threaded lifting eyes or eyebolts for overhead lifting. ASTM A covers two. ASTM A Standard Specification for Carbon Steel Eyebolts. Shoulder Pattern. Drop Forged Carbon Steel, Self-Colored. ASTM A Fully Threaded: UNC-2A. A. B. C. D. (Combination pricing for Eyebolts on page 4).

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Installation for In-line Loading For in-line loading application use regular nut eye bolt or shoulder nut eye bolt. Superfast Fasteners India Pvt. Ensure that threads on shank and receiving hole are clean. In case two or more than two eye bolts are used without spreader bars, their orientation shall be such that qstm is in the plane of the eyes as shown below Orientation of eye bolts.

ASTM A489 Specification

Astn Version s – view previous versions of standard. We need your help to maintenance this website. Reeving of Sling Slings shall not be reeved through an eye bolt or reeved through a pair of eye bolts. I Washers Manufacture of D. Type 1, plain pattern straight shank ; Type 2, shoulder pattern; and Style B, short length.

If the eye bolt protrudes so far through the load that the nut cannot be tightened securely against the load, use properly sized washers to take up the excess space between the nut and the load as shown below. Use one nut if thickness is more than one eye bolt diameter. Eye bolts that are worn, cracked, bent, Material, Specification and Marking Eye bolts are made from forged carbon steel or alloy steel. September 18th, at This standard does not purport to address all of the safety concerns, if any, associated with its use.


Always countersink receiving hole or use washers to seat shoulder. Never undercut eye bolt to seat shoulder against the load. One Response Jar Allah Says: In the case of eyehooks for use with Grade M 4 chain, it may be necessary to use an intermediate component such as a shackle to make the connection. Size px x x x x When eye bolts cannot be properly seated and aligned with each other, a steel washer or spacer not to exceed one thread pitch may be required to put below the eye bolt.

If the plane of the machinery eye bolt is not aligned with the sling line, add shims washers of proper thickness to adjust the angle of the plane of the eye to match the sling line as shown below. No other units of measurement are included in this standard. For more information on eye bolts dimensions and swivel hoist rings different type of rings please refer General Catalog of the Crosby Group.

Application It is recommended to use shouldered eye bolts for rigging hardware, except when prohibited by the configuration of the item to which the eye bolt is attached. If the hook does not go completely into the eye bolt, use a shackle to avoid loading the hook tip.


ASTM A – 18 Standard Specification for Carbon Steel Eyebolts

Type 1, plain pattern straight shank ; Type 2, shoulder pattern; and Style B, short length. The mechanical properties to which the lifting eyes shall adhere are proof, breaking strength, tensile stress and strength, bend strength, impact strength, yield point, elongation, and reduction of area.

This standard specifies the basic dimensions, material, lifting capacity and conditions of use of lifting eyebolts of Grade M.

We are a non-profit group that run this website to share documents. Therefore, in order to minimize the possibility of a brittle cleavage failure, these lifting eyes should never asym loaded above the proof load, and should not be used when surface discontinuities exist on the lifting eyes.

Proper thread engagement must be maintained. For vertical loading, eye bolts without shoulders have the same load-carrying ability as astmm eye bolts. Eye bolts shall have a minimum design factor of 5, based on ultimate strength. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.