About the Socket Countersunk Screw
Countersunk socket screws, also called CSK socket screws, pull flush into a countersunk hole for a clean face, with an internal hex or Torx drive for high torque. High-tensile alloy and A2/A4 stainless to DIN 7991.
Also known as: Countersunk Socket Screws, CSK Socket Screws, Socket CSK.
Features
- Flush countersunk head
- Hex-key and Torx drive
- High-tensile and stainless
- DIN 7991 / ISO 10642
Applications
- Flush machinery fixing
- Tooling and fixtures
- Panels and covers
Standards & specification
- ANSI B18.3 / A2
- ISO 10642 / A2
- HEC 10642 / A2
- DIN 7991 / CLASS 010.9
- ISO 10642 / A4-80
- ISO 10642 / A4
- DIN 7991 / A4
- ISO 10642 / BUMAX 88
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