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 7380 / ISO 7380-1
Fastener Catalog & Standard Specification
Active: DIN 7380 / ISO 7380-1 (Button Head Socket Screw)
Select a fastener below to view its data sheet
DIN 7380 / ISO 7380-1DIN STANDARDFull ThreadMetric Coarse
Button Head Hex Socket Screws
Low-profile domed head with wide bearing area and internal hex drive. Prevents snagging in exposed locations.
CAD Schematic
Nominal blueprint for M6
Engineering Schematic / CAD Dimension InspectorModel: M6 × 50mm
Nominal Thread (d)M8 P=1.25mm
Wrench / Allen (s)13mm e=14.38
Tap Drill DiameterØ 6.8 mm
Tensile Stress Area (Aₛ)36.6 mm²
Manufacturing & Drilling Engineering Notes
- • Low head profile reduces snagging risk in moving or operator-adjacent areas.
Size Specification Inspector
M6Select diameter & order quantity
Select Nominal Thread Diameter
Thread Pitch1.25 mm
Wrench (A/F Spanner s)13 mm
Recommended Tap DrillØ 6.8 mm
Clearance Hole (H13)Ø 9 mm
Tensile Stress Area (Aₛ)36.6 mm²
Single unit weight (steel): 0.0127 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 |
|---|