| Product Name | DIN6921 Stainless steel hex flange head bolt |
| Material: | Stainless steel.18/8, SUS 304, SUS 316, A2, A4, 201,410, etc |
| Finished | Polish ,passivation |
| Standard | DIN 6921 Hexagon Flange Bolts ISO 15071 Hexagon Bolts With Flange - Small Series ISO 4162 Hexagon Bolts With Flange - Small Series ANSI/ASME B 18.2.3.4M - 2001 Metric Hex Flange Screws ANSI/ASME B 18.2.3.9M IFI 536 Metric Hex Flange Screws IFI 538 Metric Heavy Hex Flange Screws IFI 111 Hexagon Flange Bolts DIN 34800 Hexalobular Head Bolts With Small Flange DIN 34801 Hexalobular head bolts with large flange EN 1665 (R) Hexagon Bolt With Flange-Reduced Shank,Type R |
DIN 6921
| Screw Thread | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | ||
| d | ||||||||||
| P | Pitch | Coarse thread | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| Fine thread-1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||
| Fine thread-2 | / | / | / | 1 | 1.25 | / | / | / | ||
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 46 | |
| 125 | / | / | 28 | 32 | 36 | 40 | 44 | 52 | ||
| L>200 | / | / | / | / | / | / | 57 | 65 | ||
| c | min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |
| da | Form A | max | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 |
| Form B | max | 6.2 | 7.4 | 10 | 12.6 | 15.2 | 17.7 | 20.7 | 25.7 | |
| dc | max | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 | |
| ds | max | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
| min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 | ||
| du | max | 5.5 | 6.6 | 9 | 11 | 13.5 | 15.5 | 17.5 | 22 | |
| dw | min | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |
| e | min | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | 23.15 | 29.87 | |
| f | max | 1.4 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | |
| k | max | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 | |
| k1 | min | 2 | 2.5 | 3.2 | 3.6 | 4.6 | 5.1 | 5.8 | 6.8 | |
| r1 | min | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | |
| r2 | max | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1 | 1.2 | |
| r3 | min | 0.1 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | |
| r4 | ≈ | 3 | 3.4 | 4.3 | 4.3 | 6.4 | 6.4 | 6.4 | 8.5 | |
| s | max=nominal size | 8 | 10 | 13 | 15 | 16 | 18 | 21 | 27 | |
| min | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 | ||
