1/25pcs UNC/UNF 2 4 6 810# 1/4 5/16 3/8 7/16 to 3/4-16 304 Stainless Steel Hex Nylon Insert Lock Nut Self-locking Nylock Locknut

UK US Coarse Thread Hex Nylon Insert Lock Nut

Material：
​304(A2-70) stainless steel
​
​US fine thread Size：
​
​UNC 2#-56 4#-40 6#-32 8#-32 10#-24 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 5/8-11 3/4-10
​
​UNF 10#-32 1/4-28 5/16-24 3/8-24 7/16-20 1/2-20 1/2-12 5/8-18 3/4-16