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 985 / ISO 10511
Fastener Catalog & Standard Specification
Active: DIN 985 / ISO 10511 (Nyloc Lock Nut)
Select a fastener below to view its data sheet
DIN 985 / ISO 10511DIN STANDARDFull ThreadMetric Coarse
Nylon Insert Hexagon Lock Nuts (Nyloc)
Prevailing torque hexagon nut with an unthreaded nylon collar insert that deforms elastically to resist vibration loosening.
CAD Schematic
Nominal blueprint for M6
Engineering Schematic / CAD Dimension InspectorModel: M6
Nominal Thread (d)M6 P=1mm
Wrench / Allen (s)10mm e=11.05
Tap Drill DiameterØ 5 mm
Tensile Stress Area (Aₛ)20.1 mm²
Manufacturing & Drilling Engineering Notes
- • Operating temperature range: -50°C to +120°C (limited by the polymer nylon ring). Not recommended for repeated reuse.
Size Specification Inspector
M6Select diameter & order quantity
Select Nominal Thread Diameter
Thread Pitch1 mm
Wrench (A/F Spanner s)10 mm
Recommended Tap DrillØ 5 mm
Clearance Hole (H13)Ø 6.6 mm
Tensile Stress Area (Aₛ)20.1 mm²
Chemical Composition & Metallurgy
Elemental mass percentages, grain structure & mechanical properties
Elemental Composition (Mass %)
CCarbon0.25 - 0.55%
MnManganese0.60 - 1.20%
PPhosphorus0.025% max
SSulfur0.025% max
SiSilicon0.15 - 0.35%
CrChromium0.20 - 0.50% (Optional)
BBoron0.0008 - 0.005% (Boron-treated)
FeIronBalance (~97.5%)
Mechanical Strength & Heat Treatment
Metallurgical Notes
- • Quenched and tempered at min 425°C to achieve fine tempered martensite microstructure.
- • Meets ISO 898-1 / ASTM F568M Class 8.8 specifications.
- • Boron-alloyed steels must contain min 0.0008% active Boron for hardenability.
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 | 5.5 | 6.01 | 4 | 2.5 | 3.4 | 5.03 | |
| M4 | 0.7 | 7 | 7.66 | 5 | 3.3 | 4.5 | 8.78 | |
| M5 | 0.8 | 8 | 8.79 | 5 | 4.2 | 5.5 | 14.2 | |
| M6 | 1 | 10 | 11.05 | 6 | 5 | 6.6 | 20.1 | |
| M8 | 1.25 | 13 | 14.38 | 8 | 6.8 | 9 | 36.6 | |
| M10 | 1.5 | 17 | 18.9 | 10 | 8.5 | 11 | 58 | |
| M12 | 1.75 | 19 | 21.1 | 12 | 10.2 | 13.5 | 84.3 | |
| M16 | 2 | 24 | 26.75 | 16 | 14 | 17.5 | 157 | |
| M20 | 2.5 | 30 | 33.53 | 20 | 17.5 | 22 | 245 |