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M· ISO General Purpose
M36 x 3
ISO General Purpose
The everyday metric fastener thread. Coarse pitch (the default when no pitch is stated, e.g. M8) suits general assembly; fine pitch (stated explicitly, e.g. M8x1.0) gives a shallower thread for precision adjustment or higher tension in thin material.
- Standard
- ISO 261 / ISO 724
- Flank angle
- 60° included
- Series
- Fine pitch
- Pitch
- 3.00 mm
- Coarse default
Thread profile
A 60 degree included flank angle.
Basic major 36.000 mm, pitch diameter 34.051 mm, minor diameter 32.752 mm -- theoretical dimensions at zero allowance, before any tolerance class is applied.
M fine sizes
| Designation | Pitch | Major Ø | Pitch Ø | Minor Ø |
|---|---|---|---|---|
| M8 x 1 | 1.00 mm | 8.00 mm | 7.350 mm | 6.917 mm |
| M10 x 1.25 | 1.25 mm | 10.00 mm | 9.188 mm | 8.647 mm |
| M12 x 1.25 | 1.25 mm | 12.00 mm | 11.188 mm | 10.647 mm |
| M14 x 1.5 | 1.50 mm | 14.00 mm | 13.026 mm | 12.376 mm |
| M16 x 1.5 | 1.50 mm | 16.00 mm | 15.026 mm | 14.376 mm |
| M18 x 1.5 | 1.50 mm | 18.00 mm | 17.026 mm | 16.376 mm |
| M20 x 1.5 | 1.50 mm | 20.00 mm | 19.026 mm | 18.376 mm |
| M22 x 1.5 | 1.50 mm | 22.00 mm | 21.026 mm | 20.376 mm |
| M24 x 2 | 2.00 mm | 24.00 mm | 22.701 mm | 21.835 mm |
| M27 x 2 | 2.00 mm | 27.00 mm | 25.701 mm | 24.835 mm |
| M30 x 2 | 2.00 mm | 30.00 mm | 28.701 mm | 27.835 mm |
| M33 x 2 | 2.00 mm | 33.00 mm | 31.701 mm | 30.835 mm |
| M36 x 3 | 3.00 mm | 36.00 mm | 34.051 mm | 32.752 mm |
| M39 x 3 | 3.00 mm | 39.00 mm | 37.051 mm | 35.752 mm |
| M42 x 3 | 3.00 mm | 42.00 mm | 40.051 mm | 38.752 mm |
| M45 x 3 | 3.00 mm | 45.00 mm | 43.051 mm | 41.752 mm |
| M48 x 3 | 3.00 mm | 48.00 mm | 46.051 mm | 44.752 mm |
| M52 x 4 | 4.00 mm | 52.00 mm | 49.402 mm | 47.670 mm |
| M56 x 4 | 4.00 mm | 56.00 mm | 53.402 mm | 51.670 mm |
| M60 x 4 | 4.00 mm | 60.00 mm | 57.402 mm | 55.670 mm |
| M64 x 4 | 4.00 mm | 64.00 mm | 61.402 mm | 59.670 mm |
Designation calculator
MØ36 mmP 3 mmNo tolerance class
Try “M12x1.5-6g”, “M8” (coarse pitch assumed), “MJ6-4h6h”, or “Tr20x4-8H”. Add “-LH” for a left-hand thread.
Calculated live
Pitch diameter (basic)34.051 mmAdd a tolerance class (e.g. -6g) for max/min limits
Basic dimensions
- Major diameter
- 36.000 mm
- Pitch diameter
- 34.051 mm
- Minor diameter
- 32.752 mm
Tap drill · 75% thread
- Tap drill
- 33.50 mm (33.564 mm calculated)
- Clearance drill (normal)
- 37.00 mm (36.800 mm calculated)
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