18 Years Factory 8 Carriage Bolts - DIN912 Gr10.9 Black Oxide Bolt Screws Hexagon Socket Head Allen Bolt Zinc Plated Allen Hexagon Socket Extra Long Hex Machine Bolts – Changlan Detail:
Product introduction
Hex bolt according to the hardness of screw wire, carry tension, yield strength is a grade classification, namely the level of hex bolt, hex bolt is what level. Different products and materials, different grades of hex bolts are required to correspond to it, hex bolts all have the following grades:
Hexagon bolts are divided into ordinary and high strength bolts according to grade strength. Common hexagon bolts refer to 4.8, high strength hexagon bolts refer to 8.8 or above, including 10.9 and 12.9. Class 12.9 socket head screws are generally knurled, natural color black socket head screws with oil.
Similar to countersunk head screw, the nail head is embedded in the machine, and the connection strength is larger, but the screw must be installed and removed with the corresponding specification of hexagon socket wrench. Generally used in all kinds of machine tools and accessories
About Us
Welcome to consult our products, we can offer you a quotation at any time
Company profile
Handan Chang Lan Fastener Manufacturing Co., Ltd. formerly Yongnian Tiexi Changhe fastener factory was large-scale standard fastener manufacturer in Yongnian District. The company is located in standard fastener distribution center of Hebei Yongnian, covering an area of 3,050 square meters, was close to Tianjin Port and Qingdao ports, export is very convinedtly. The company has multi position cold heading machine, model 12b, 14b, 16b, 24b, 30b, 33b; has hot forging machine, model has 200 tons, 280 tons, 500 tons, 800 tons;
Has a variety of supporting equipment, including rolling machine, rolling machine, oil press, etc. for bolts, nuts, double stud bolts , foundation bolts and complete product testing equipment. With an experienced technical research and development team, high-quality management personnel and spacious production environment.
Product attributes
| Product name | Hexagon socket bolt |
| Brand | CL |
| Product model | M6-200 |
| Surface treatment | Black、galvanized、Hot dip galvanized |
| Material | Carbon steel |
| Standard | DIN、GB |
| About the material | Our company can customize other different materials different specifications can be customized |
Product detail pictures:
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Persisting in "High good quality, Prompt Delivery, Aggressive Price", we've established long-term cooperation with shoppers from each overseas and domestically and get new and previous clients' high comments for 18 Years Factory 8 Carriage Bolts - DIN912 Gr10.9 Black Oxide Bolt Screws Hexagon Socket Head Allen Bolt Zinc Plated Allen Hexagon Socket Extra Long Hex Machine Bolts – Changlan, The product will supply to all over the world, such as: Nicaragua, Japan, Tanzania, We are in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.
By Alex from Birmingham - 2017.12.09 14:01
The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
By Elvira from Jordan - 2018.02.12 14:52
