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DIN 6921
Similar to (DIN 6922), these bolts also have a flange (a disc-shaped extension) beneath the head, which acts as an integrated washer. The flange provides a larger bearing surface and aids in distributing the load, making these bolts suitable for various applications. It's worth noting that it is common for these parts to feature serrations under the head, further enhancing their functionality.
DIN 6921
- Carbon steel class 8.8 / 10.9 / 12.9
- Stainless steel A2 - 70
- Indented hexagon flange head
- Fully threaded
- Serrations under head
- Thread lcoking patch blue
related products
Weld Stud
Steel weld stud fully threaded
DIN 965 / ISO 7046
a) DIN 965 specifies the standard for countersunk head screws with a cross recess drive (commonly known as a Phillips drive). These screws are designed to sit flush with the material’s surface when installed, ensuring a smooth and clean appearance.
b) The cross-recessed drives, such as Phillips and Pozi, are widely used for their ease of installation and removal with compatible screwdrivers. Additionally, the hexalobular socket (6-lobe) design is commonly employed to provide improved torque transfer and minimize the risk of cam-out during fastening.
Hexalobular socket head cap screws with low head
Serrations under head / Hexalobular socket ISO 10664
Indented hexagon head with collar hi lo thread screws
Tiny screw M2.5
Type H or type Z available upon request
Special Rivet
With small collar around body shank