Hex bolts DIN933 gr12.9 black oxide
Hexagon Head Bolt Details
Material: alloy steel
Head shape: Hex head
Grade: 12.9
Thread: full thread
Application: Industrial building Bridge Railway oil and gas industry, wind energy tower etc
Package: bulk or small boxes
Delivery: 30-60 days
Hex Bolts DIN933 Standard and Dimensions


Factory Display

Bolts Factory

Workshop for High Strength Bolts

Cold Forged Machines

Cold Forged Machine

Heat Treatment Line

Annealing Furnace

Packing Place
FAQ OF DIn933 hex bolts Grade 12.9
1. What is raw material you are using for Gr12.9 hex bolts DIN933
We use B7, 35CrMo,42CrMo alloy s teel for 12.9 Hex bolts
2. Can you provide the third party inspection certificate?
Yes, we can supply, but the buyer must pay inspection charge.
3. What is your trademark?
Our trademark is ZYL, this is also our headmark.
4. Can we accept customer’s head mark?
Yes, we can customize the headmark and do OEM products.
5. Do you have stock for DIN933 12.9 hex bolts?
Yes, we have some stock grade 12.9 hex bolts DIN933, please contact me and tell me which sizes you need.
Shipment Photos


