7/8-9 x 4 Socket Set Screw Cup Point Alloy 5/8-11 Grade 8 Hex Cap Screws Yellow Zinc Plated #3 drill point for quick
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Description
7 8 9 x 4 Socket Set Screw Cup Point Alloy 5 8 11 Grade 8 Hex Cap Screws Yellow Zinc Plated #3 drill point for quick #3 drill point for quick penetration of aluminum panels without "point walking" 7 8 9 x 3 3 4 Hex Cap Screw SS 316 (A4) The cup point is the most used style set screw permanent and semi permanent location of parts on shafts with hardness differential of 10 15 Rockwell C points and where cutting in of cup edge on the shaft is acceptable