Hex bolts DIN933 gr10.9 black color
Hexagon Head Bolt Details
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
Inspection Equipment

Tension Inspection Equipment

Hardness Inspection Equipment
Hex Head Bolts DIN933 Standard and Dimensions


Factory Display


Workshop for High Strength Bolts

Ningbo Zhongli ZYL Bolts

Heat Treatment Lines

Threaded Rolling

Alloy Steel 40cr Raw Material

Workplace
FAQ OF BOLTS DIN933 10.9 Black
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.