This shoulder provides a bearing surface, so that the thumb screw can be tightened against the mating surface. Shoulder Thumb Screws are a type of screw that can be tightened by hand.
Screws & Bolts,Thumb Screws
250 Pieces 1/4-20x1/2in Spade Shoulder Type Thumb Screws Zinc, 250PK
Specifications of 250 Pieces 1/4-20x1/2in Spade Shoulder Type Thumb Screws Zinc, 250PK | |
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Category | |
Instock | instock |