DIN 913HeadlessHexagon socket
DIN 913 M4 × 4 Headless
DIN 913 M4 × 4 is a socket set screw, flat point with a 4 mm nominal length, on a M4 × 0.7 mm metric thread. A flat ended grub screw used where the shaft must not be marked, or for adjustment applications such as levelling screws.
Diameter4 mm
Length4 mm
Pitch0.7 mm
Socket size s2 mm
HeadHeadless
DriveHexagon socket
Dimensions
- Standard
- DIN 913
- Type
- Socket set screw, flat point
- Size
- M4 × 4
- Thread
- M4 × 0.7
- Length L
- 4 mm
- Socket size s
- 2 mm
- Drive
- Hexagon socket
- Head
- Headless
Nominal values in millimetres as published in DIN 913. Estimated weight 0.395 g per piece in steel (0.397 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