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 it suitable for applications

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

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

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

Custom Solid Color Anodized Titanium — Done In-House

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 it suitable for applicationsMonster 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