DIN 913HeadlessHexagon socket
DIN 913 M12 × 40 Headless
DIN 913 M12 × 40 is a socket set screw, flat point with a 40 mm nominal length, on a M12 × 1.5 mm metric thread. A flat ended grub screw used where the shaft must not be marked, or for adjustment applications such as levelling screws.
Diameter12 mm
Length40 mm
Pitch1.5 mm
Socket size s6 mm
HeadHeadless
DriveHexagon socket
Dimensions
- Standard
- DIN 913
- Type
- Socket set screw, flat point
- Size
- M12 × 40
- Thread
- M12 × 1.5
- Length L
- 40 mm
- Socket size s
- 6 mm
- Drive
- Hexagon socket
- Head
- Headless
Nominal values in millimetres as published in DIN 913. Estimated weight 35.513 g per piece in steel (35.739 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M12 thread pageDesignationM12 × 1.5 fine
Pitch1.5 mm
Major Ø12 mm
Pitch Ø11.03 mm
Minor Ø ext10.16 mm
Tap drillØ 10.5 mm