M2.5 Allen Button Head Socket Screws
ISO 7380-1 M2.5 hexagon socket button head screws in alloy steel grade 012.9 with black oxide finish. Domed head provides 80% head load rating for compact assemblies at 2.5mm thread diameter.
Specification
#
Standard
ISO 7380-1 (EN ISO 7380-1)
Material
Alloy Steel
Thread
Coarse (standard)
Grade
12.9
Coating
Black oxide
Head Type
Button (domed) with hexagon socket
Drive Type
Hexagon socket (Allen key/hex wrench)
Stock
In stock
Dimension
#
Size (d mm)
Thread Dia (min-max mm)
Pitch
Length (mm)
Thread Length (mm)
M3
2.87-3.00
0.5
6-30
18
M5
4.85-5.00
0.8
8-50
22
M6
5.85-6.00
1.0
10-60
24
M8
7.83-8.00
1.25
12-80
28
M10
9.82-10.00
1.5
16-100
32
- All dimensions in mm, tolerance +/- 0.01 mm. Additional dimensions available on request.
Benefits
#
At 2.5mm diameter, button head socket screws address fastening requirements where a smooth, low-profile surface is essential. The rounded head geometry sits closer to the workpiece than cylindrical socket head cap screws, reducing overall assembly height. Hex socket drive enables controlled torque application using standard Allen keys in confined spaces. This size is suited to electronics mounting, panel attachment, and light mechanical assemblies where full tensile strength is not the primary requirement. The reduced-loadability marking ensures correct engineering selection and prevents over-torquing.
Common Applications
#
M2.5 button head socket screws are specified where low head profile and snag prevention are priorities:
- Furniture and cabinetry hardware assemblies
- Automotive interior trim and panel attachment
- Appliance housings and access covers
- Light-duty machinery guards and covers
- Signage and display fixture mounting
Read Me
| Standard | ISO 7380-1 (EN ISO 7380-1) |
| Material | Alloy Steel |
| Thread | Coarse (standard) |
| Grade | 12.9 |
| Coating | Black oxide |
| Head Type | Button (domed) with hexagon socket |
| Drive Type | Hexagon socket (Allen key/hex wrench) |
| Stock | In stock |
| Size (d mm) | Thread Dia (min-max mm) | Pitch | Length (mm) | Thread Length (mm) |
|---|---|---|---|---|
| M3 | 2.87-3.00 | 0.5 | 6-30 | 18 |
| M5 | 4.85-5.00 | 0.8 | 8-50 | 22 |
| M6 | 5.85-6.00 | 1.0 | 10-60 | 24 |
| M8 | 7.83-8.00 | 1.25 | 12-80 | 28 |
| M10 | 9.82-10.00 | 1.5 | 16-100 | 32 |
