Feature

●[Easy to use] The convex end tightening is small in size, easy to carry and store, easy to use, and good in performance.
●HIGH SCREW STRENGTH: This Concave End Tightening Set is made of 12.9 grade alloy steel highstrength material, and through high temperature treatment, the screw strength is improved.
●Practical: A large number, can meet your use and replacement needs, very practically.
●With standard hex grooves, Concave End Tightening Set is not easy to slip, speed up work efficiency, complete specifications.
●Concave End Tightening Set Alloy Steel Screws Concave End Tightening Headless Screws Fastener M3 M4 M5 M6 M8 Concave End Tightening Storage Box


Description

Feature:
1. Made of 12.9 grade alloy steel highstrength material, and through high temperature treatment, the screw strength is improved.
2. The overall thread of the bolts are neat and clear, not easy to get stuck and glossy, and the force is even.
3. Standard hex grooves, not easy to slip, speed up work efficiency, complete specifications.
4. Small size, easy to carry and store, convenient to use and with good performance.
5. A large number, can meet your use and replacement needs, very practically.

Specification:
Item Type: Concave End Tightening SetMaterial: 12.9 grade high-strength alloy steel
Model and Quantity:
60 x M3 x 3 Concave End Tightening
60 x M3 x 4 Concave End Tightening
50 x M3 x 10 Concave End Tightening
50 x M4 x 4 Concave End Tightening
40 x M4 x 6 Concave End Tightening
40 x M5 x 5 Concave End Tightening
30 x M5 x 8 Concave End Tightening
30 x M6 x 6 Concave End Tightening
20 x M6 x 10 Concave End Tightening
20 x M8 x 8 Concave End Tightening



Package List:
60 x M3 x 3 Concave End Tightening
60 x M3 x 4 Concave End Tightening
50 x M3 x 10 Concave End Tightening
50 x M4 x 4 Concave End Tightening
40 x M4 x 6 Concave End Tightening
40 x M5 x 5 Concave End Tightening
30 x M5 x 8 Concave End Tightening
30 x M6 x 6 Concave End Tightening
20 x M6 x 10 Concave End Tightening
20 x M8 x 8 Concave End Tightening