Feature

●Concave End Tightening Set has complete specifications, can meet your use and replacement needs, very practically.
●[High practicality] The alloy steel screws have complete specifications and are very practical, which can meet your use and replacement needs.
●NOT EASY TO SLIP: The head is a standard hexagonal groove, which is not easy to slip, which improves work efficiency.
●[Long service life] The convex end tightening set has been treated at high temperature to improve the strength of the screw, with a long service life and very durable.
●Through high temperature treatment, the strength of Concave End Tightening Set is improved, has a long service life.


Description

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