#5 Point - Hex Washer - Unslotted - Self Drilling Screws - Machine Threads - Zinc

SELF DRILLING SCREWS WITH MACHINE SCREW THREADS
Heads to ASME B18.6.3 I Screws hardened to SAE J78 specifications
Case Hardened to Rockwell C50-56
(Core Hardness: Rockwell C32-40)
Steel Zlnc Plated
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