Performance Audio 4-40 Keps External Tooth Lock Washer Nuts (Stainless Steel, 25 Pack)

4-40 Hex Keps Nuts with External Tooth Lock Washer, Stainless Steel - Package of 25

4-40 Keps (Machine Screw Hex) Nut 18-8 Stainless Steel . Keps nuts (also referred to as a K-nut or washer nut) come with an attached, free-spinning washer. They are used primarily to make assembly more convenient. 18-8 stainless provides a high level of corrosion resistance.

Features:

• Zinc Plated Steel fasteners are suitable where strength and corrosion resistance are primary considerations
• Drive system is a hexagon-shaped head
• Coarse threads are better for brittle materials, and will assemble and disassemble more quickly than fine threads
• Ensure a lasting hold for any project