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  6. 1408RSWI , Indented Hex Washer Slotted Trilobular Thread Rolling Screws

1408RSWI , Indented Hex Washer Slotted Trilobular Thread Rolling Screws

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Indented Hex Washer Slotted (Heads to ASME B18.6.4 dimensions)
Manufactured to SAE J81 specifications
Case hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Fully threaded / Steel Zinc plated & waxed
Products specifications
Size 1/4-20 x 1/2 in
Ctn Qty 4000
Weight Lbs/M 11.10
Thread Types Fully Threaded
Plating Steel Zinc
Core Hardness Rockwell C28-38
Liberty Fastener Company
Liberty Fastener Company