The M2.5 metric screw (2.5 mm nominal diameter) is popular for electronics, small robotics, and precision mechanisms. This hub consolidates core M2.5 options—Socket Cap, Button, Phillips Pan, Phillips Flat, and Set Screws— with quick specs and direct links to matching M2.5 nuts, washers, and metric hex keys.
Shop by M2.5 Head Type
M2.5 Socket Head Cap Screws
DIN 912 / ISO 4762 • High clamp force • Allen/Hex drive
M2.5 Button Head Cap Screws
ISO 7380 • Low profile dome head • Allen/Hex drive
M2.5 Phillips Pan Machine Screws
Machine thread • For tapped holes or use with nuts
M2.5 Phillips Flat Machine Screws
90° countersink • Flush finish • Machine thread
M2.5 Cup Point Set Screws
Grub screws • Allen/Hex drive • Cup point
Quick Specs
| Spec | Details |
|---|---|
| Diameter | M2.5 (2.5 mm nominal) |
| Common Pitch | 0.45 mm (coarse) |
| Typical Drive | Metric hex/Allen or Phillips (varies by head). Need a key? Hex Key Hub or Individual Metric Keys. |
| Materials & Finishes | 12.9 alloy steel, 18-8/A2 stainless; black oxide on alloy noted where applicable. |
M2.5 Size & Pitch Reference
Need head dimensions, countersink details, or pilot hole guidance? See the M2.5 screw size chart.
Matching M2.5 Nuts & Washers
Pair your screws with the right hardware for a complete fastening solution:
- Metric Nuts & Washers (All) — filter for M2.5 to match threads precisely.
Frequently Asked Questions
What’s the thread pitch for M2.5 screws?
Which drives are common for M2.5 screws?
How corrosion-resistant is black oxide?
Order with Confidence
Monster Bolts ships fast from the USA and backs every order with helpful support. Need help finding the exact M2.5 part? Contact our team.
