M8 Allen Socket Head Screw
M8 socket head cap screws per DIN 912 / ISO 4762 with cylindrical head and internal hex drive in alloy steel property class 12.9. High-strength fastening in confined spaces at 8mm diameter.
Specification
#
Standard
DIN 912 / ISO 4762 (EN ISO 4762)
Material
Alloy Steel
Thread
Coarse (standard)
Grade
12.9
Coating
Black oxide
Head Type
Cylindrical 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
8-40
18
M6
5.85-6.00
1.0
10-100
24
M8
7.83-8.00
1.25
12-120
28
M10
9.82-10.00
1.5
16-150
32
M12
11.79-12.00
1.75
20-200
36
- All dimensions in mm, tolerance +/- 0.01 mm. Additional dimensions available on request.
Benefits
#
Socket head cap screws at 8mm deliver full clamp load in space-constrained assemblies where external wrench access is unavailable. The cylindrical head maintains full shank tensile strength without the geometric derating applied to button or countersunk heads. Internal hex drive allows tightening from one side using a compact Allen key. At this diameter, the smooth cylindrical head doubles as a locating surface in precision fixtures. Property class 12.9 provides high tensile strength for dynamically loaded joints in machine tool and tooling applications.
Common Applications
#
Common applications for M8 socket head cap screws include:
- Precision instrumentation and optical equipment
- Small mechanism and linkage assemblies
- Electronic enclosure mounting
- Prototype and fixture construction
- Light-duty robotics and automation
Read Me
| Standard | DIN 912 / ISO 4762 (EN ISO 4762) |
| Material | Alloy Steel |
| Thread | Coarse (standard) |
| Grade | 12.9 |
| Coating | Black oxide |
| Head Type | Cylindrical 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 | 8-40 | 18 |
| M6 | 5.85-6.00 | 1.0 | 10-100 | 24 |
| M8 | 7.83-8.00 | 1.25 | 12-120 | 28 |
| M10 | 9.82-10.00 | 1.5 | 16-150 | 32 |
| M12 | 11.79-12.00 | 1.75 | 20-200 | 36 |
