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" making them ideal for bulk

making them ideal for bulk purchase in high-demand applications

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

✔️ Nylon insert for enhanced vibration resistance

Integrated Washer: Indented hex-washer spreads load—no extra washer required

✔️ Superior corrosion resistance with A2-70 stainless steel

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" making them ideal for bulkMonster 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