50Pcs Cap Hex Socket Screw Copper Fastener Hardware Tools Industrial Supplies M6
- Contain 5 different sizes of screws to meet your different fastening requirements
- The male thread possess uniform pitch, clear texture, high bite and firmer
- Cap hex socket screw have smooth surface, not easy to rust
- Cap screw come with stable structure, excellent performance and long service life
- The screw using pure copper material, which have strong wear resistance
