Bulk #4-40 Slotted Indented Hex Washer Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/4" & 5/8") Length:10000 Qty - 4-40 x 5/8" Made from corrosion-resistant 18-8 (A2)

Made from corrosion-resistant 18-8 (A2) stainless steel and passivated + wax-coated for extra lubricity and RoHS-compliant protection

✔️ Superior corrosion resistance with A2-70 stainless steel

✔️ Nylon insert for enhanced vibration resistance

Feature Details Diameter 1/2 inch Thread Size 13 TPI - Coarse Thread Drive 3/4 inch Hex Drive Flange Design Built-in washer

Ideal where stainless durability and high joint strength are essential—such as appliance assemblies

Bulk #4-40 Slotted Indented Hex Washer Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/4" & 5/8") Length:10000 Qty - 4-40 x 5/8" Made from corrosion-resistant 18-8 (A2)Monster Overview: Finish small scale sheet metal projects with #4 40 Slotted Indented Hex Washer Head Thread Cutting Screws, Type 23, Bright Zinc Bake. Drive them fast using a across flats hex nut driver, or reach tight corners with a flat blade screwdriver via the full width slot. The Type 23 triangular chip relief pocket ejects swarf while tappinglowering drive torque and leaving crisp internal threads in stainless, mild steel, or aluminum sheet