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Trilobe Screw DIN7500
Hex Washer Head
METRIC
| Nominal Screw Size | d2 | k | S | C | D | Min Torque  （kgfcm) | |||
| Head Dimensions | Screw Body Dimensions | ||||||||
| Washer Diameter  | Head Height                                                     | Width Across Flats                            | Diameter of Circumscribing Circle                                                        | Measurement Across Center                                        | |||||
| Max | Min | REF | REF | Max | Min | Max | Min | ||
| M4-0.7 | 9.50 | 9.30 | 3.60 | 7.00 | 3.97 | 3.84 | 3.83 | 3.70 | 42.00 |
| M5-0.8 | 11.20 | 11.00 | 4.60 | 8.00 | 4.97 | 4.84 | 4.81 | 4.68 | 88.00 |
| M6-1 | 13.20 | 13.00 | 5.60 | 10.00 | 5.89 | 5.78 | 5.78 | 5.68 | 147.00 |
| M8-1.25 | 17.50 | 16.80 | 7.00 | 13.00 | 7.92 | 7.82 | 7.85 | 7.68 | 369.00 |
| Length | Tolerance | ||||
| 3-6mm | ±0.375 | ||||
| 6-10mm | ±0.45 | ||||
| 10-18mm | ±0.55 | ||||
| 18-30mm | ±0.65 |
Material:
Steel-1022 carbon steel + hardened + zinc plated CR3+Dehydrogenation
Stainless steel- A2 (304)(18-8) + passivated
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If you have regular demands for screws or fasteners, we recommend that you can contact us directly (info@shscrewtool.com) for economic offer and complete service.
