Material | Carbon steel ,Stainless steel ,Alloy |
Grade | 4.8,8.8,10.9,12.9,14.9 |
Standard | DIN,ASTM,ANSI,JIS,EN,ISO,AS,GB |
Type of Head | Allen head |
Surface Treatment | Blackened,Zinc plate,Yellow zinc,HDG,Thermodiffusion,Ruspert,Dacromet,Teflon,Phosphate,etc |
Diameter | M3-M100 |
Length | 25-500MM (Customized as your need) |
Salt Spray Test | 24hr-1000hr |
Testing equipment | Automatic Optic Inspector,Projecting Apparatus,Salt Spray Test,Hardness/Tensile Machine |
Certification | SGS,RoHS,Material Certication,PPAP |
Sample | Accepted,we will send samples for your approval |
Package Description | Small box ,Carton ,bag ,small plastic bag and pallet |
Delivery Term | EXW,FOB,CIF,CNF |
Lead Time | Samples10- 15workdays,Mass productions 15-20 workdays after payment received. |
Payment Term | T/T, Paypal,Cash |
The allen bolt ,commonly known as hex socket head cap screw or hex socket head cap screw , is a versatile fastener distinguished by its cylindrical head with a hexagonal (hex) internal drive.
- High Torque and Reliability: The six-sided socket provides excellent tool engagement, minimizing slippage and allowing high torque to be applied for secure, vibration-resistant fastening.
- Space Efficiency: The absence of an external head profile (unlike hex bolts) saves space and allows use in counterbored holes.
These screws are a standard choice in applications ranging from precision machinery, automotive assemblies, bicycles, furniture, and consumer electronics to general manufacturing. Common materials include alloy steel, stainless steel, and various non-ferrous metals. They typically conform to standards such as ISO 4762 (metric) or DIN 912.
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