• tan@nbzyl.com

Hex bolts DIN933 gr12.9 black oxide

Short Description:

Ningbo Zhongli bolts manufacturing is a professional and reliable fastener suppliers in China

Our brand is ZYL. We can accept OEM according to customer’s request.

Our cold forged main products are :

Black hex bolts grade 12.9 DIN933

Dia: M10x20 to M10x100

M12x25 to M12x100

M16x30 to M16x120,

M20x40 to M20x120,

M24x50 to M24x150

Our hot forged main products are:

Dia from M20 ,length up to 500mm

Product Detail

Product Tags

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


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.

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