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#4 Paint Serrated Hex Washer Unslotted Self Drilling Screws

Self Drilling Screws with Self tapping screw threads
Heads to ASME B18.6.4 / Screws hardened to SAE J78 specifications
Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
Steel Zinc Plated
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Item #

Size

Ctn Qty

Weight Lbs/M

Plating

Number of Points

311607KWS4 5/16-12 x 1 in 1200 26.00 Steel Zinc 4
312007KWS4 5/16-12 x 1 1/4 in 1000 28.80 Steel Zinc 4
312407KWS4 5/16-12 x 1 1/2 in 800 32.20 Steel Zinc 4