Unit:
毫米(mm) |
| ①,Material:
Steel, Hardness class: 200 HV | 300 HV; Hardness range:200 HV to 300 HV | 300 HV to 370 HV
Note: a)The designation must be tempered (HT) or work hardened (WH). If no specification is made, the manufacturer is free to choose. b)Other materials by agreement between the screw manufacturer and the supplier of the washers ②,Acceptance The acceptance test is subject to ISO 3269 ③,Hardness test to ISO 6507-1. Test load: HV 2 for nominal thicknesses: h ≤ 0.6 mm; HV 10 for nominal thicknesses: 0.6 mm HV 30 for nominal thicknesses: h> 1.2 mm. ④,Product Class A does not apply to the tolerances of hole diameter d1 and thickness h. |
