M6×0.75 thread: 6 × 0.75 mm
Threads › M6×0.75
M6×0.75 is an ISO metric fine thread: 6 mm major diameter, 0.75 mm pitch, 60° form. Clearance hole 6.4 mm (close) or 6.6 mm (normal).
| Standard | ISO metric fine |
|---|---|
| Major diameter | 6 mm |
| Pitch | 0.75 mm |
| Thread angle | 60° |
| Minor diameter, bolt | 5.08 mm |
| Minor diameter, nut | 5.19 mm |
| Tap drill | Not listed. Check your tap maker's chart. |
| Clearance hole | 6.4 mm close, 6.6 mm normal |
| Usual class | 6g bolt, 6H nut |
Minor diameters worked out from the basic profile: major Ø − 1.22687 × pitch (bolt) and − 1.08253 × pitch (nut).
Open M6×0.75 in BenchsmithAdd to order list
What the call-out means
M | ISO metric |
6 | Major diameter, mm |
× 0.75 | Pitch, mm. Given because it is a fine pitch |
-6g | Bolt tolerance class (usual) |
-6H | Nut tolerance class (usual) |
Measure it
Bolt: Measure across the crests of the bolt with the caliper jaws. Worn bolts read 0.1 to 0.3 under.
Nut or tapped hole: Measure across the tops of the threads inside the nut or hole with the inside jaws. That is the minor Ø. Worn or oversize holes read a little over.
Same diameter, other pitch
- M61 mm pitch
Close in size, won't mate
- 1/4-20 UNCØ6.35 mm, 20 TPI
- 1/4-28 UNFØ6.35 mm, 28 TPI
- 1/4 BSWØ6.35 mm, 20 TPI
- 1/4-16 ACMEØ6.35 mm, 16 TPI
- #12-24 UNCØ5.49 mm, 24 TPI
One size up or down
- M8×1Ø8 mm (up)
Got a bolt and no idea what it is? Measure the outside Ø and type it into Benchsmith → Find → Thread.