METRICcoarse60° flank
M48 × 5 Thread Dimensions
M48 x 5 is a coarse pitch METRIC thread. Pitch is 5 mm, equivalent to 5.08 threads per inch. The recommended tap drill leaves roughly 75% thread engagement.
Nominal Ø48 mm
Pitch5 mm
Threads per inch5.08
Pitch Ø44.75 mm
Tap drill43 mm
Thread profile
millimetres unless stated- Designation
- M48 x 5
- Thread system
- METRIC
- Series
- coarse
- Flank angle
- 60°
- Major diameter
- 48 mm / 1.89"
- Pitch
- 5 mm
- Threads per inch
- 5.08
- Pitch diameter
- 44.75 mm
- Minor diameter (external)
- 41.87 mm
- Minor diameter (internal)
- 42.59 mm
- Thread depth
- 3.07 mm
- Recommended tap drill
- Ø 43 mm / 1.69"
How these values are derived
Basic ISO thread geometry uses the fundamental triangle height H = 0.866025 × P. External minor diameter d₃ = d − 1.226869 × P, internal minor diameter D₁ = d − 1.082532 × P. Tap drill is given as nominal diameter minus pitch, which approximates a 75% thread engagement — adjust for tough materials or deep holes.