DIN7985H
round head
Cross recess
Fully threaded
平端
产品信息
- 产品材质 Stainless steel, carbon steel
- 产品标准 德标
- Performance level 4.8, 8.8, A2-70, A4-70
- surface treatment without treatment
产品图纸
供货范围
| Material | Material | Performance level | surface treatment | 常规供货范围 | RoHS | 其他 |
|---|---|---|---|---|---|---|
| carbon steel | ST | 4.8 | true color | M2-M10 | ||
| carbon steel | ST | 4.8 | 电镀锌 | M2-M10 | ||
| carbon steel | ST | 4.8 | 环保镀锌 | M2-M8 | YES | |
| carbon steel | ST | 4.8 | 电镀镍 | M2-M5 | YES | |
| carbon steel | ST | 8.8 | true color | M3-M5 | ||
| carbon steel | ST | 8.8 | 电镀锌 | M2-M5 | ||
| Stainless steel | A2 | 70 | true color | M1.6-M10 | YES | |
| Stainless steel | A4 | 70 | true color | M1.6-M8 | YES |
更多材质
十字槽盘头螺钉是最常用的紧固件，头部形状为盘状，顶部为十字形的槽口，可以用十字螺丝刀进行旋紧或拆卸。这种螺钉广泛应用于机械、电子、电器、家具等领域。
GB/T818-2016十字槽盘头螺钉之中国标准，规定了十字槽盘头螺钉的尺寸、技术要求、检验方法、验收规则、标志和包装等。
1. 尺寸规格：十字槽盘头螺钉的具体尺寸参数，如螺钉的直径、长度、头部直径、头部厚度、槽宽等。
2. 材料和热处理：标准会规定螺钉的材料种类和热处理要求，以保证螺钉具有足够的强度和硬度。
3. 机械性能：包括抗拉强度、屈服强度、伸长率等性能指标。
4. 表面处理：螺钉可能会有不同的表面处理要求，如镀锌、镀镍、防锈处理等，以提高螺钉的耐腐蚀性和外观效果。
5. 技术要求：包括螺钉的制造公差、外形尺寸、槽型尺寸等技术要求。
6. 检验方法：标准会规定如何对螺钉进行各项性能的检验和测试。
7. 验收规则和质量等级：标准中会明确产品的验收规则和不同的质量等级。
8. 标志和包装：如何对产品进行标记和包装的要求。
| (mm) | M1.6 | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|---|
| P | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| da(max) | 2.1 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 |
| dk(max) | 3.2 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 16 | 20 |
| dk(min) | 2.9 | 3.7 | 4.7 | 5.7 | 6.64 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 |
| r(max) | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
| No. | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 |
| M | 1.8 | 2.5 | 2.7 | 3.1 | 4.2 | 4.6 | 5.3 | 6.8 | 9 | 10.2 |
| t(min) | 0.72 | 1.1 | 1.3 | 1.7 | 1.74 | 2.04 | 2.77 | 3.03 | 4.18 | 5.38 |
| t(max) | 1.02 | 1.4 | 1.6 | 2 | 2.24 | 2.54 | 3.27 | 3.53 | 4.68 | 5.88 |
| h(max) | 1.42 | 1.72 | 2.12 | 2.52 | 2.82 | 3.25 | 3.95 | 4.75 | 6.15 | 7.68 |
| h(min) | 1.18 | 1.48 | 1.88 | 2.28 | 2.58 | 2.95 | 3.65 | 4.45 | 5.85 | 7.32 |
| k | 0.8 | 1.1 | 1.3 | 1.6 | 1.9 | 2 | 2.5 | 3 | 3.7 | 4.8 |
| Material | steel | Stainless steel | nonferrous metals | |
| General technical conditions | GB/T 16938 | |||
| Thread | tolerance | 6g | ||
| standard | GB/T 193、GB/T 9145 | |||
| Mechanical properties | Performance level | d＜3mm: according to the agreement; | A2-50、A2-70 | d＜3mm: according to the agreement; |
| d≥3mm: 4.8 | d≥3mm：CU2、CU3、AL4 | |||
| standard | d＜3mm: according to the agreement; | GB/T 3098.6 | d＜3mm: according to the agreement; | |
| d≥3mm：GB/T 3098.1 | d≥3mm：GB/T 3098.10 | |||
| tolerance | Product grade | A | ||
| standard | GB/T 3103.1 | |||
| Cross recess | GB/T 944.1 | |||
| product defects | GB/T 5779.1 | – | ||
| surface treatment | Without treatment; | Simple handling; | Simple handling; | |
| Electroplating technical requirements shall comply with GB/T 5267.1; | Passivation treatment technical requirements according to GB/T 5267.4 | Electroplating technical requirements according to GB/T 5267.1 | ||
| Technical requirements for non-electrolytic zinc flake coating according to GB/T 5267.2 | ||||
| If other technical requirements or surface treatment are required, it should be agreed upon by the supplier and the buyer. | ||||
| Acceptance and packaging | GB/T 90.1、GB/T 90.2 | |||
