M10 Thread vs. M2 Thread
Comparing 2 standards across 9 specifications. 9 key differences identified.
M10 is an ISO metric machine screw thread with a nominal major diameter of 10.0 mm and a standard coarse pitch of 1.50 mm. Requiring an 8.50 mm tap drill, it is standard in automotive engine mounts, suspension control arms, motorcycle rear-view mirrors, and commercial HVAC hanging brackets.
M2 is an ISO metric machine screw thread with a nominal major diameter of 2.0 mm and a standard coarse pitch of 0.40 mm. Requiring a 1.60 mm tap drill, it is the universal standard thread for M.2 NVMe solid-state drive mounting standoffs and laptop internal chassis fastening.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Nominal Major Diameter
|
10.00 mm | 2.00 mm |
|
Standard Coarse Pitch
|
1.50 mm | 0.40 mm |
|
Minor Diameter (Internal)
|
8.376 mm | 1.567 mm |
|
Tensile Stress Area
|
58.0 mm² | 2.07 mm² |
|
Common Drive Size
|
17mm (ISO) / 16mm (DIN) / 15mm / 8.0mm Allen | PH0 / PH1 / T6 / T8 |
|
Fine Pitch (Automotive Standard)
|
1.25 / 1.00 mm | — |
|
Tap Drill Diameter (Coarse)
|
8.50 mm (75% thread engagement) | — |
|
Fine Pitch (Optional)
|
— | 0.25 mm |
|
Tap Drill Diameter
|
— | 1.60 mm (75% thread engagement) |