These big machinery eye bolts came from a closed factory parts crib. They are 1 1/8 thread, 7 threads per inch. No documentation but they are USA made drop forged steel.
Forged 1/2"-13 Shouldered Lifting Eye Bolt Box of 10 Forged shoulder eye bolt with a 1/2-13 threaded shank. The shank length is 1-1/2" long with a ring I.D. of 1-3/16" and ring O.D.
Stainless Steel 304 S/S 50 Pieces Bent Eye Bolts 1/2"-13 Thread, 2 3/4" shank x 5.25" Long overall. For routing NOT FOR LIFTING. Very hefty to ship, Flat Rate Box best way.
1/4" FORGED LIFTING EYE BOLT (Shoulder Pattern) with full shank thread to shoulder. Rated capacity considers a straight vertical lift. Always use caution when lifting.
This is for one Very Nice Lifting Ring hook, Looks like New old stock to me, if it is used it was not used much. Through Hole size is APPROX. 3-3/4" Bar thickness at the base is 1-1/2" It is rated for Lifting 5 tons The bolt thread is standard 1"-8 tpi right hand.
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