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" ✔️ Grade 8 strength for

✔️ Grade 8 strength for heavy-duty applications

These locknuts feature a nylon insert that creates a tight frictional fit

making it suitable for applications where space is limited or where two nuts are used together to prevent loosening

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

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" ✔️ Grade 8 strength forMonster 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