cSeao 205pcs SAE Nylock Nylon Inserted Lock Nuts Assortment Kit (1/4-20 3/8-16 1/2-13#4-40#6-32#8-32#10-24#10-32), 304 Stainless Steel 4-40 TO 1/2-13 [8 Sizes] 205pcs Size:4-40 TO 1/2-13 [8 Sizes] 205pcs steel package: plastic standoffs 50；Flat

steel package: plastic standoffs 50；Flat head screw 50；Pointed screw 50；Plastic box 1

1-1/2 x 1/2" Diameter x 3" Length

Shepherd Hardware 9417 2-Inch Office Chair Caster

Through-hardened

5mm/4mm/5mm/6mm/7mm/10mm/13mm

cSeao 205pcs SAE Nylock Nylon Inserted Lock Nuts Assortment Kit (1/4-20 3/8-16 1/2-13#4-40#6-32#8-32#10-24#10-32), 304 Stainless Steel 4-40 TO 1/2-13 [8 Sizes] 205pcs Size:4-40 TO 1/2-13 [8 Sizes] 205pcs steel package: plastic standoffs 50；FlatcSeao 205pcs SAE Nylock Nylon Inserted Lock Nuts Assortment Kit (1 4 20 3 8 16 1 2 13#4 40#6 32#8 32#10 24#10 32), 304 Stainless Steel About Nylon Inserted Lock Nuts Nylon lock nut is a round nut, and in its outer open four small slot, you can use the crescent wrench screw on the stud, the lock nut should be equipped with a shaft Washer, it can be used to make the small groove on the stud and its peripheral groove relative to the fixed, to prevent its