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3108ABSW , Indented Hex Washer Slotted A Self Tapping Screws

Manufactured to ASME B18.6.4 & SAE J933 specifications
Case Hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Fully Threaded / Steel Zinc Plated

In conformance with commercial standards, offered in AB thread only.
Products specifications
Size 5/16 x 1/2 in
Ctn Qty 1500
Weight Lbs/M 19.80
Thread Types Fully Threaded
Plating Steel Zinc
Core Hardness Rockwell C28-38