Engineering Data Sheets
Fastener Data Sheets& CAD
Browse ISO, DIN, ASTM and ASME fastener standards with dimensional specifications, CAD blueprints, drilling & clearance data, chemical composition and mechanical properties.
Reference: DIN 912 / ISO 4762
Fastener Catalog & Standard Specification
Active: DIN 912 / ISO 4762 (Socket Cap Screw (Allen Bolt))
Select a fastener below to view its data sheet
DIN 912 / ISO 4762DIN STANDARDPartial ThreadMetric Coarse
Hexagon Socket Head Cap Screws
Cylindrical head cap screw with an internal hexagonal drive (Allen key). Designed for high clamping force in recessed counterbores.
CAD Schematic
Nominal blueprint for M6
Engineering Schematic / CAD Dimension InspectorModel: M6 × 50mm
Nominal Thread (d)M6 P=1mm
Wrench / Allen (s)5mm e=5.72
Tap Drill DiameterØ 5 mm
Tensile Stress Area (Aₛ)20.1 mm²
Manufacturing & Drilling Engineering Notes
- • Standard property class 12.9 provides 1200 MPa ultimate tensile strength.
- • Head diameter fits standardized ISO counterbore drill sizes.
Size Specification Inspector
M6Select diameter & order quantity
Select Nominal Thread Diameter
Thread Pitch1 mm
Wrench (A/F Spanner s)5 mm
Recommended Tap DrillØ 5 mm
Clearance Hole (H13)Ø 6.6 mm
Tensile Stress Area (Aₛ)20.1 mm²
Single unit weight (steel): 0.0125 kg
Chemical Composition & Metallurgy
Elemental mass percentages, grain structure & mechanical properties
Elemental Composition (Mass %)
CCarbon0.33 - 0.48%
MnManganese0.40 - 0.80%
PPhosphorus0.020% max
SSulfur0.020% max
SiSilicon0.15 - 0.35%
CrChromium0.90 - 1.50%
MoMolybdenum0.20 - 0.40%
NiNickel0.50% max
FeIronBalance (~96.2%)
Mechanical Strength & Heat Treatment
Metallurgical Notes
- • Highest standard mechanical strength class in ISO 898-1.
- • Tempered at min 425°C to avoid temper embrittlement in the 250-350°C zone.
- • High susceptibility to hydrogen embrittlement and stress corrosion cracking (SCC).
Dimensional Specification
Thread / Pitch / Across Flats / Corners / Height / Drill / Clearance / Stress Area (mm)
| Thread (d) | Pitch | A/F (s) | Corners (e) | Height | Tap Drill | Clear H13 | Stress Area | |
|---|---|---|---|---|---|---|---|---|
| M3 | 0.5 | 2.5 | 2.87 | 3 | 2.5 | 3.4 | 5.03 | |
| M4 | 0.7 | 3 | 3.44 | 4 | 3.3 | 4.5 | 8.78 | |
| M5 | 0.8 | 4 | 4.58 | 5 | 4.2 | 5.5 | 14.2 | |
| M6 | 1 | 5 | 5.72 | 6 | 5 | 6.6 | 20.1 | |
| M8 | 1.25 | 6 | 6.86 | 8 | 6.8 | 9 | 36.6 | |
| M10 | 1.5 | 8 | 9.15 | 10 | 8.5 | 11 | 58 | |
| M12 | 1.75 | 10 | 11.43 | 12 | 10.2 | 13.5 | 84.3 | |
| M14 | 2 | 12 | 13.72 | 14 | 12 | 15.5 | 115 | |
| M16 | 2 | 14 | 16 | 16 | 14 | 17.5 | 157 | |
| M18 | 2.5 | 14 | 16 | 18 | 15.5 | 20 | 192 | |
| M20 | 2.5 | 17 | 19.44 | 20 | 17.5 | 22 | 245 | |
| M24 | 3 | 19 | 21.73 | 24 | 21 | 26 | 353 | |
| M30 | 3.5 | 22 | 25.15 | 30 | 26.5 | 33 | 561 | |
| M36 | 4 | 27 | 30.85 | 36 | 32 | 39 | 817 |