Material: 40Cr,35CrMo
Head shape: Hex head
Grade: 10.9
Thread: F.T
Application: Industrial Bridge towers
Package: Normally bulk packing , according to customer’s request.
Delivery:40-60 days
Tension inspection equipment
Hardness inspection equipment
workshop for high strength bolts
Ningbo Zhongli ZYL bolts
Heat treatment lines
threaded rolling
Alloy steel 40Cr raw material
workplace
1.What kinds of steel you use for grade 10.9 hex bolts DIN933?
Our factory mainly use 40Cr, 35CrMo,42CrMo to produce 10.9 bolts, it depends on dimension of bolt
2. Do you make heat treated at your own factory?
Yes, we do. We can control quality by ourselves with our own equipment.
3. where is your main sales market?
We have domestic market and international market.
4. Where is your international market?
We export to EU, USA, Africa, Middle east, Asia.
5. How long is your factory’s history?
We have 19 years experience for productions and sales with professional teams. Welcome to send inquiry to us.
