GB/T 31.3 Carbon Steel Blacking Hexagon Bolts with Split Pin Hole on Shank

1. Specification:

(1) Product name: GB/T 31.3 Carbon Steel Blacking Hexagon Bolts with Split Pin Hole on Shank

(2) Standard: ISO/DIN/GB/ANSI/JIS, etc.

We can produce the bolts as customer’s drawings and samples with high quality

(3) Head style: Hexagon head

(4) Size: M5-M24 (or as your request)

(5) Material: Carbon steel, Stainless steel, Aluminum, Brass, Iron, Alloy steel , copper and others(6) Surface finish: Zinc plated, nickel plated, oxidation  plated, plain finish, black oxide, polishing, etc.

(7) Packing: Carton packing or wooden packing or customer request

2. Product pictures

3. Application : Wildly used in the field of  agriculture ,industry ,medical care and aerospace etc.

4. Bolt production process flow chart

5. Packaging and shipping

(1) Packaging Detail: Carton, wooden case or as required

(2) Delivery Detail: 30 days after receiving the deposit

6. Company profile

7. Equipment

   Our company owns complete management system of production, quality and services. We will 

forever stick to the tenet of "regard customer as god, keep continuous operation" to provide the

best services to customers.

   In order to provide high quality products, a lot of advanced equipments have been purchased.

8. Location

   Changzhou Paipu Technology Co. Ltd. is located in Cailing Technology Zone, No.38,

Fenghuang Road, Changzhou, Jiangsu, China.

9. Specialized products

10. Organization

11. Five important services

(1) Professional tooling and process to reduce cost.

(2) Excellent surface and inner quality.

(3) Electric furnace and strict chemical composition test before cast.

(4) Rich experience in materials ASTM WCB,LCB,low carbon steel and alloy steel.

(5) Advanced production equipment.

(1) Whether some samples can be provided? 

Yes,just need you pay the freight.

(2)  Will my drawing be safe after you get it?

Yes, we will not release your design to third party unless with your permission.

(3)  How to deal with the parts received when they are found to be in poor quality?

Please rest assured that all our products are QC inspected and accepted with inspection report 

before delivery and generally there will no non-conformance; in case of non-conformance,

please contact us immediately, take some pictures, we will check on the problems and have them

reworked or repaired in first time.