Standard: ISO 4032 - 2013
Available sizes: (M3.5) to M6 (8 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 6170 |
| IS | IS 1364(-3) |
| DIN | DIN EN ISO 4032 |
| ISO | ISO 4032 |
| UNI | UNI 5588 |
| ANSI | ASME/ANSI B 18.2.4.1M |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal |
|---|
| ds_nominal |
|---|
| (M3.5) | 1.5 | 16.00 | 6.40 | 10.00 | 14.60 | 0.60 | 0.15 | 8.40 | 8.04 | 10.80 | 17.77 |
| M1.6 | 0.4 | 4.00 | 1.10 | 2.00 | 3.10 | 0.20 | 0.10 | 1.60 | 1.35 | 2.30 | 4.32 |
| M2 | 0.5 | 5.50 | 1.70 | 3.00 | 4.60 | 0.40 | 0.15 | 2.40 | 2.15 | 3.45 | 6.01 |
| M2.5 | 0.7 | 7.00 | 2.30 | 4.00 | 5.90 | 0.40 | 0.15 | 3.20 | 2.90 | 4.60 | 7.66 |
| M3 | 1 | 10.00 | 3.90 | 6.00 | 8.90 | 0.50 | 0.15 | 5.20 | 4.90 | 6.75 | 11.05 |
| M4 | 2 | 21.00 | 9.70 | 14.00 | 19.60 | 0.60 | 0.15 | 12.80 | 12.10 | 15.10 | 23.36 |
| M5 | 2.5 | 27.00 | 12.10 | 18.00 | 24.90 | 0.80 | 0.20 | 15.80 | 15.10 | 19.50 | 29.56 |
| M6 | 2.5 | 30.00 | 13.50 | 20.00 | 27.70 | 0.80 | 0.20 | 18.00 | 16.90 | 21.60 | 32.95 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
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