1.Material: Stainless304/316, alloy steel ,Carbon...

2.Finish:Zinc plated,black,plain

3.Grade:8.8,10.9,12.9

4.Size: M2 - M20 (DIA

5.Length: 6 to 300 mm

6.Head type: Hex socket

 

Manufacturer claims: 
(1)Competitive price with high quality 

 (2)Various of Design
(3)Ensure delivery in time 
(4)Nice solid packing