# item.guide
Side-by-Side Comparison Metric Threads (ISO)

M10 Thread vs. M2 Thread

Comparing 2 standards across 9 specifications. 9 key differences identified.

Comparing:
M10 Thread
M2 Thread

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.

View full M10 Thread spec sheet →

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.

View full M2 Thread spec sheet →

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)