Material:C1022,carbon steel
Main feature:tapping point,bugle head,phillips drive,hardened,coarse/fine(twin-fast)thread
Finished: phosphated(black, grey) and other as require.
The surface after phosphated or galvanized, has good corrosion resistance, rust resistance.
Normal size:all different sizes such as 6*19mm(3.5*19mm),6*25mm(3.5*25mm),6*50mm and so on .
Package: 500pcs-1000pcs/box(bag) or 1KG/box(bag). 12 or 20boxes/carton. as common.otherwise. 25KG/carton in bulk or also can be packed as ...
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