DIN965 十字槽沉头螺钉 cross recessed countersunk head screws ISO7046 GB819-85
螺纹尺寸
d | |
| P | 螺距 |
| | a | 最大值 |
| | dk | 最大值=公称 |
| | 最小值 |
| | k | 最大值 |
| | r | 最大值 |
| | x | 最大值 |
| | 槽号 | | M1 | ≈ |
| | M2 | ≈ |
|
| | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | | 0.7 | 0.8 | 0.9 | 1 | 1.2 | 1.4 | 1.6 | 2 | 2.5 | 3 | | 3 | 3.8 | 4.7 | 5.6 | 6.5 | 7.5 | 9.2 | 11 | 14.5 | 18 | | 2.75 | 3.5 | 4.4 | 5.3 | 6.14 | 7.14 | 8.84 | 10.57 | 14.07 | 17.57 | | 0.96 | 1.2 | 1.5 | 1.65 | 1.93 | 2.2 | 2.5 | 3 | 4 | 5 | | 0.4 | 0.5 | 0.7 | 0.8 | 0.95 | 1 | 1.3 | 1.6 | 2 | 2.5 | | 0.9 | 1 | 1.1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3.2 | 3.8 | | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | | 1.7 | 2.35 | 2.7 | 2.9 | 3.9 | 4.4 | 4.6 | 6.6 | 8.7 | 9.6 | | 1.8 | 2.2 | 2.5 | 2.8 | 3.7 | 4 | 4.4 | 6.1 | 8.5 | 9.4 |
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①,材料：
a)钢，强度等级(材料)：4.8,5.8,8.8. 标准DIN ISO 898-1
b)不锈钢，强度等级(材料)：A2-70，A4-70. 标准DIN 267-11
c)有色金属，强度等级(材料)：CuZn=铜锌合金，CU2或CU3由制造商选择。标准DIN 267-18
d)其他强度等级或材料或某种材料，例如 CU3，按协议 |
| 材料 | |
| 通用要求 | | 螺纹 | 公差 |
| | 标准 |
| | 机械性能 | 等级 |
| | 标准 |
| | 公差 | 产品等级 |
| | 标准 |
| | 表面处理 | - |
| | - |
| | 表面粗糙度 | | 表面缺陷 | | 验收及包装 | | 备注 |
| | DIN 267 part 1 | | 6g① | | DIN 13 part 13,15 | | 4.8，5.8，8.8 | A2-70，A4-70 | CuZn = 铜锌合金
CU2或CU3由制造商选择 | | DIN ISO 898 part 1 | DIN 267 part 11 | DIN 267 part 18 | | A | | DIN ISO 4759 part 1 | 不经处理
8.8：blackened （thermally or chemically） | blank | blank | | 电镀 DIN 267 part 9 | | DIN 267 part 2 | | DIN 267 part 19 | | DIN 267 part 5 | | ① Only for screws without surface protection. 6 g makes it possible for normal coating thicknesses to be applied in accordance with DIN 267 part 9, the reference line not being exceeded. Depending on the coating thickness required, a larger fundamental deviation shall be selected than that for the g position. This might, however, impair the resistance to stripping of the bolt / nut assembly. |
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