Description
Overview
Hexagon Socket Head Cap Screws to DIN 912, Alloy Grade 12.9, Zinc Plated, size M16 x 40 MM.
Sold per piece. Screwman code CAPHTZP1640H.
Finish & Corrosion Protection
Zinc plated (clear/blue passivated). Electroplated zinc, typically 5-8 um (ISO 4042). Economical protection for dry indoor and light outdoor use; white rust in neutral salt spray typically from ~24-72 h depending on passivate.
Data Sheet
Dimensions – DIN 912 / ISO 4762 M16 x 40
| Standard | DIN 912 / ISO 4762 |
|---|---|
| Product | Hexagon socket head cap screw |
| Thread | M16 x 2 |
| Length (l) | 40 mm |
| Head diameter (dk) | 24 mm |
| Head height (k) | 16 mm |
| Hex key (s) | 14 mm |
| Thread length (b) | full thread |
| Weight (calculated) | 98.14 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
Zinc plated (clear/blue passivated): Electroplated zinc, typically 5-8 um (ISO 4042). Economical protection for dry indoor and light outdoor use; white rust in neutral salt spray typically from ~24-72 h depending on passivate.
DIN 912 data sheet – all sizes
| Size | Thread | Head diameter (dk) | Head height (k) | Hex key (s) | Thread length (b) |
|---|---|---|---|---|---|
| M2 | M2 x 0.4 | 3.8 mm | 2 mm | 1.5 mm | full thread |
| M2.5 | M2.5 x 0.45 | 4.5 mm | 2.5 mm | 2 mm | full thread |
| M3 | M3 x 0.5 | 5.5 mm | 3 mm | 2.5 mm | 18 mm (ref.) |
| M4 | M4 x 0.7 | 7 mm | 4 mm | 3 mm | 20 mm (ref.) |
| M5 | M5 x 0.8 | 8.5 mm | 5 mm | 4 mm | 22 mm (ref.) |
| M6 | M6 x 1 | 10 mm | 6 mm | 5 mm | 24 mm (ref.) |
| M8 | M8 x 1.25 | 13 mm | 8 mm | 6 mm | 28 mm (ref.) |
| M10 | M10 x 1.5 | 16 mm | 10 mm | 8 mm | 32 mm (ref.) |
| M12 | M12 x 1.75 | 18 mm | 12 mm | 10 mm | 36 mm (ref.) |
| M14 | M14 x 2 | 21 mm | 14 mm | 12 mm | 40 mm (ref.) |
| M16 | M16 x 2 | 24 mm | 16 mm | 14 mm | 44 mm (ref.) |
| M18 | M18 x 2.5 | 27 mm | 18 mm | 14 mm | 48 mm (ref.) |
| M20 | M20 x 2.5 | 30 mm | 20 mm | 17 mm | 52 mm (ref.) |
| M22 | M22 x 2.5 | 33 mm | 22 mm | 17 mm | 56 mm (ref.) |
| M24 | M24 x 3 | 36 mm | 24 mm | 19 mm | 60 mm (ref.) |
| M27 | M27 x 3 | 40 mm | 27 mm | 19 mm | 66 mm (ref.) |
| M30 | M30 x 3.5 | 45 mm | 30 mm | 22 mm | 72 mm (ref.) |
| M33 | M33 x 3.5 | 50 mm | 33 mm | 24 mm | 78 mm (ref.) |
| M36 | M36 x 4 | 54 mm | 36 mm | 27 mm | 84 mm (ref.) |
Nominal dimensions per DIN 912 / ISO 4762. 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
No structured specifications are available yet.