Description
Overview
DIN7 specifies the dimensional requirements for parallel pins, ensuring reliable interchangeability and engineering performance.
This selected size is specified with diameter M3, length 8 mm, thread M3, pitch 0.5 mm.
Sold per piece. Screwman code CAPTSS38H.
Material, Grade & Strength
Select the material and grade according to the intended load, environment and application.
Finish & Corrosion Protection
Plain finish is intended for protected indoor applications.
Typical Uses
Used in machinery, maintenance, manufacturing, agriculture, mining and general engineering applications.
Technical Tips
- Select the correct size and material for the application.
- Inspect components before installation.
- Follow recognised engineering practices and manufacturer recommendations.
Technical Drawing – DIN 7984
Dimension symbols refer to the table below. Drawing source: Fabory data sheet 07105.
Dimensions – DIN 7984 M3 x 8
| Standard | DIN 7984 |
|---|---|
| Product | Hexagon socket cap screw, low head |
| Thread | M3 x 0.5 |
| Length (l) | 8 mm |
| Head diameter (dk) | 5.5 mm |
| Head height (k) | 2 mm |
| Hex key (s) | 2 mm |
| Thread length (b) | full thread |
| Weight (calculated) | 0.69 kg per 1 000 pieces |
Material, Grade & Strength
| Material | High tensile alloy steel, property class 12.9 |
|---|---|
| Property class | 12.9 |
| Tensile strength Rm (min) | 1220 MPa |
| Yield / 0.2% proof Rp0.2 (min) | 1100 MPa |
| Proof load stress | 970 MPa |
| Hardness | 385-435 HV |
| Elongation after fracture (min) | 8 % |
| Matching nut | property class 12 (ISO 898-2) |
Finish & Corrosion Protection
Plain / self colour: No applied coating. Stainless, brass and nylon parts are supplied plain; plain steel parts need oil, paint or protected environments.
DIN 7984 data sheet – all sizes
| Size | Thread | Head diameter (dk) | Head height (k) | Hex key (s) | Thread length (b) |
|---|---|---|---|---|---|
| M3 | M3 x 0.5 | 5.5 mm | 2 mm | 2 mm | 18 mm (ref.) |
| M4 | M4 x 0.7 | 7 mm | 2.8 mm | 2.5 mm | 20 mm (ref.) |
| M5 | M5 x 0.8 | 8.5 mm | 3.5 mm | 3 mm | 22 mm (ref.) |
| M6 | M6 x 1 | 10 mm | 4 mm | 4 mm | 24 mm (ref.) |
| M8 | M8 x 1.25 | 13 mm | 5 mm | 5 mm | 28 mm (ref.) |
| M10 | M10 x 1.5 | 16 mm | 6 mm | 7 mm | 32 mm (ref.) |
| M12 | M12 x 1.75 | 18 mm | 7 mm | 8 mm | 36 mm (ref.) |
| M14 | M14 x 2 | 21 mm | 8 mm | 10 mm | 40 mm (ref.) |
| M16 | M16 x 2 | 24 mm | 9 mm | 12 mm | 44 mm (ref.) |
| M20 | M20 x 2.5 | 30 mm | 11 mm | 14 mm | 52 mm (ref.) |
| M24 | M24 x 3 | 36 mm | 13 mm | 17 mm | 60 mm (ref.) |
Nominal dimensions per DIN 7984. Weights are calculated from nominal dimensions and are a guide only (±10%). Values for fit and strength should be confirmed against the standard for critical applications.
Specifications
| Measurement Type | Metric |
|---|---|
| Thread Size | M3 |
| Thread Pitch | 0.5 mm |
| Thread Style | Partial Thread |
| Drive Type | Hex |
| Head Style | Cap |
| Diameter | M3 |
| Length | 8 mm |
| Material | Hi - Tensile Steel |
| Finish | Plain |
| Grade | Grade 12.9 |
| Standards Met | DIN 7984 |
| Package Quantity | 1 |
| Package Type | Box |