DIN 963Countersunk head (90°)Slotted

DIN 963 M6 × 40 Countersunk head (90°)

DIN 963 M6 × 40 is a countersunk head screw with a 40 mm nominal length, on a M6 × 1 mm metric thread. Slotted flat head screw for a flush finish. Note that countersunk heads pull the joint sideways, so they should not be used to locate parts.

Dimensioned drawing — DIN 963 M6 × 40k 3L 40⌀11⌀6
DIN 963 M6 × 40 — Countersunk head (90°)Nominal dimensions in mm · Not to scale
Diameter6 mm
Length40 mm
Pitch1 mm
Head Ø dk11 mm
Head height k3 mm
HeadCountersunk head (90°)
DriveSlotted

Dimensions

Standard
DIN 963
Type
Countersunk head screw
Size
M6 × 40
Thread
M6 × 1
Length L
40 mm
Head diameter dk
11 mm
Head height k
3 mm
Drive
Slotted
Head
Countersunk head (90°)

Nominal values in millimetres as published in DIN 963. Estimated weight 10.253 g per piece in steel (10.318 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM6 × 1
Pitch1 mm
Major Ø6 mm
Pitch Ø5.35 mm
Minor Ø ext4.77 mm
Tap drillØ 5 mm

Other lengthsDIN 963 M6

All M6 specifications

Interchangeability

DIN 963 is catalogued with ISO 2009 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.