Question:

1.Which steel material is made of 12.9 grade screws, what is processing hardness?

2.Which steel material is made of small screw?

Answer:

1.Use 45 steel to make it. It is easy to cut and its strength is also very high! 8.8 -10.9 level is also available in parts shop.

2.Small screw also can be produced by metal materials, but generally is carbon steel or stainless steel. Q 235 fits most situations.

Related product: Steel structure