JX23HB171
Carbon Steel
Hexagon Head
Common Bolt
Counter Sunk Bolt
DIN, GB
8.8
Machinery, Building
Black
10.9
Dacromet, Zinc
≥830MPa
≥293kn
HYZ or customer brand
Carton and Wooden Pallets
M16-M36
Hangzhou China
7318159001
Product Description

Hexagon socket countersunk head bolt
Standard | DIN7991 |
Grade | 8.8/10.9 |
Dia. | M12-M36 |
Length | 35-400MM |
Materials: | Alloy steel---40Cr / 35CrMo, 42CrMo; Carbon steel:35K, 45K |
Available finish | Dacromet, black oxide, phosphating, electronic galvanized,ect. |
Head marking | HYZ+8.8 or customers' brand + 8.8 |
Packing | Carton and wooden pallet or wooden case; barrel+wooden pallet |
Certification: | FPC BC1, SGS,BV,ISO9001, factory products 3.1 cert. |
Mechanical properties
Properties | Yield strength N/mm2 | Tensile strength N/mm2 | Elongation % | Reduction of area % |
8.8 | ≥ 660 | ≥ 830 | ≥ 12 | ≥ 52 |
10.9 | ≥ 940 | ≥ 1040 | ≥ 9 | ≥ 48 |
Hardness of bolt | |
Class | Bolt |
8.8 | HRC23~34 |
F10T | HRC32~39 |


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