DIN 915HeadlessHexagon socket
DIN 915 M4 × 8 Headless
DIN 915 M4 × 8 is a socket set screw, dog point with a 8 mm nominal length, on a M4 × 0.7 mm metric thread. A cylindrical dog point that drops into a drilled hole in the shaft. It locks the position without damaging the shaft surface.
Diameter4 mm
Length8 mm
Pitch0.7 mm
Socket size s2 mm
HeadHeadless
DriveHexagon socket
Dimensions
- Standard
- DIN 915
- Type
- Socket set screw, dog point
- Size
- M4 × 8
- Thread
- M4 × 0.7
- Length L
- 8 mm
- Socket size s
- 2 mm
- Drive
- Hexagon socket
- Head
- Headless
Nominal values in millimetres as published in DIN 915. Estimated weight 0.789 g per piece in steel (0.794 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M4 thread pageDesignationM4 × 0.7
Pitch0.7 mm
Major Ø4 mm
Pitch Ø3.55 mm
Minor Ø ext3.14 mm
Tap drillØ 3.3 mm