Bulk 5/16"-18 Low Head Socket Cap Screws – A4 316 Stainless Steel (ZN Flange Bolt) slot is inspection-friendly and won’t

slot is inspection-friendly and won’t clog thanks to top indent

Designed to tap their own threads in thicker gauge metals

#5-40 x 1/4" Stainless Steel Flat Head Socket Cap Screws

and high-volume production

while a Type 23 triangular chip-relief pocket clears swarf as it cuts— lowering drive torque and leaving crisp internal threads in steel

Bulk 5/16"-18 Low Head Socket Cap Screws – A4 316 Stainless Steel (ZN Flange Bolt) slot is inspection-friendly and won’tBulk 5 16" 18 Low Head Socket Cap Screws A4 (316) Stainless Steel Bulk 5 16" 18 Low Head Socket Cap Screws are designed for industrial assemblies where a standard socket head cap screw is too tall. Their reduced head height provides additional overhead clearance while retaining the compact installation advantages of an internal hex drive. Also called low profile socket screws or low head Allen screws, these UNC coarse thread fasteners are manufactured