Bulk #12-24 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/2" & 1") Line_OptiSeal and any build that needs

and any build that needs a stainless flange head with a backup slot

Need matching 5/16-18 nuts & washers

black box (Goeldo or Goldo) or tremsetter type unit

Manufactured from high-strength ASTM A574 Alloy Steel and finished in a durable thermal black oxide + oil coating

Bulk #12-24 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/2" & 1") Line_OptiSeal and any build that needsMonster Overview: Drive threads straight into mild steel, stainless sheet, or aluminum channel with #12 24 Unslotted Indented Hex Washer Head Thread Cutting Screws, Type 23, Bright Zinc Bake. The robust 5 16 across flats hex head delivers maximum torque and socket speed, while a Type 23 triangular chip relief pocket ejects swarf as it tapslowering drive torque and leaving crisp internal threads. A broad, non serrated washer flange spreads clamp load