Bulk 5/16"-18 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 – Full Thread Zinc-Bake Length:1500 Qty - 5/16-18 x 1/2" 9 Coarse Alloy Zinc CR+3

9 Coarse Alloy Zinc CR+3 Bake (PT & Tap Bolts)

Coating: Zinc Yellow CR+6 for enhanced corrosion resistance

Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307

Model Building: Reliable fasteners for hobby and professional model assembly

Bulk 5/16"-18 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 – Full Thread Zinc-Bake Length:1500 Qty - 5/16-18 x 1/2" 9 Coarse Alloy Zinc CR+3Monster Overview: Tap crisp 5 16 18 threads straight into mild steel, stainless sheet, or aluminum channel with Unslotted Indented Hex Washer Head Thread Cutting Screws, Type 23, Bright Zinc Bake. The robust across flats hex head delivers maximum torque via any nut driver or impact socket, while a Type 23 triangular chip relief pocket ejects swarf as it tapsreducing drive torque and leaving clean internal threads. A broad, non serrated washer flange