Items Description

 

Material

Black grade 10.9 alloy steel

 

 

Box include

 

M1.6 : total 1200pcs + 2pcs screw driver (free)

screw 400pcs + nut 400pcs + washer 400pcs + driver 2pcs:

 

M2 : total 660pcs + 2pcs screw driver (free)

screw 220pcs + nut 220pcs + washer 220pcs + driver 2pcs:

 

M2.5 : total 600pcs + 1pc screw driver (free)

screw 200pcs + nut 200pcs + washer 200pcs + driver 1pc:

 

M3 : total 480pcs + 1pc screw driver (free)

screw 160pcs + nut 160pcs + washer 160pcs + driver 1pc:

 

M4 : total 360pcs + 1pc screw driver (free)

screw 120pcs + nut 120pcs + washer 120pcs + driver 1pc:

 

M5 : total 240pcs + 1pc screw driver (free)

screw 80pcs + nut 80pcs + washer 80pcs + driver 1pc:

 

M6: total 150pcs + 1pc screw driver (free)

screw 50pcs + nut 50pcs + washer 50pcs + driver 1pc:

 

M8 : total 75pcs + 1pc screw driver (free)

screw 25pcs + nut 25pcs + washer 25pcs + driver 1pc:

 

 

 

 

 

4.How to do when I measure the size is smaller than ordered?

Usually the screw will be look smaller, If you use the original rule to measure the screw, maybe it will have error, it will be look smaller. The correct way to measure the screw is by vernier caliper.

 

5.The stainless steel fastener can be attracted by a magnet.

Most people think the stainless steel can't be attracted by a magnet. But the stainless steel has many systems, some can’t be attracted by magnet, but some can. And the stainless steel will have a little magnetic after it made to screw or other thing. If need the stainless steel can't be attracted by a magnet, Demagnetization is required. The correct way to discern it is stainless steel or not is useing spectroscopic instruments or potions.