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Cone pin with thread GB/T 881-2000
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Product description
Parameters
| d1 h101) | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 25 | 30 | 40 | 50 | ||
| a max | 2.4 | 3 | 4 | 4.5 | 5.3 | 6 | 6 | 7.5 | 9 | 10.5 | 12 | ||
| b | max | 15.6 | 20 | 24.5 | 27 | 30.5 | 39 | 39 | 45 | 52 | 65 | 78 | |
| min | 14 | 18 | 22 | 24 | 27 | 35 | 35 | 40 | 46 | 58 | 70 | ||
| d2 | M5 | M6 | M8 | M10 | M12 | M16 | M16 | M20 | M24 | M30 | M36 | ||
| P2) | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 | 3.5 | 4 | ||
| d3 | max | 3.5 | 4 | 5.5 | 7 | 8.5 | 12 | 12 | 15 | 18 | 23 | 28 | |
| min | 3.25 | 3.7 | 5.2 | 6.6 | 8.1 | 11.5 | 11.5 | 14.5 | 17.5 | 22.5 | 27.5 | ||
| z | max | 1.5 | 1.75 | 2.25 | 2.75 | 3.25 | 4.3 | 4.3 | 5.3 | 6.3 | 7.5 | 9.4 | |
| min | 1.25 | 1.5 | 2 | 2.5 | 3 | 4 | 4 | 5 | 6 | 7 | 9 | ||
| l3) | |||||||||||||
| 公称 | min | max | |||||||||||
| 40 | 39.5 | 40.5 | |||||||||||
| 45 | 44.5 | 45.5 | |||||||||||
| 50 | 49.5 | 50.5 | |||||||||||
| 55 | 54.25 | 55.75 | |||||||||||
| 60 | 59.25 | 60.75 | |||||||||||
| 65 | 64.25 | 65.75 | |||||||||||
| 75 | 74.25 | 75.75 | |||||||||||
| 85 | 84.25 | 85.75 | 商品 | ||||||||||
| 100 | 99.25 | 100.75 | |||||||||||
| 120 | 119.25 | 120.75 | |||||||||||
| 140 | 139.25 | 140.75 | 长度 | ||||||||||
| 160 | 159.25 | 160.75 | |||||||||||
| 190 | 189.25 | 190.75 | |||||||||||
| 220 | 219 | 221 | 范围 | ||||||||||
| 250 | 249 | 251 | |||||||||||
| 280 | 279 | 281 | |||||||||||
| 320 | 319 | 321 | |||||||||||
| 360 | 359 | 361 | |||||||||||
| 400 | 399 | 401 | |||||||||||
1）其他公差，如a11，c11和f8，由供需双方协议。
2）2）P——螺距
3）公称长度大于400mm，按40mm递增。
技术条件和引用标准
| 螺纹 | 6g（GB/T197） | ||||||||||||
| 材 料 | 钢 | 不锈钢 | |||||||||||
|
易切钢：Y12、Y15(GB/T8731) 碳素钢：35、45（GB/T699）35，28～38 HRC（GB/T699） 45，38～41HRC （GB/T699) 合金钢：30CrMnSiA，35～41HRC（GB/T3077) |
1Cr13、2Cr13（GB/T1220) Cr17Ni2(GB/T1220) 0Cr18Ni9Ti(GB/T1220) |
||||||||||||
| 锥度 | 锥度公差及检验方法按GB/T11334由供需双方协议 | ||||||||||||
| 表面缺陷 |
不允许有不规则的和有害的缺陷。 销的任何部位不得有毛刺 |
||||||||||||
| 表面处理 |
不经处理； 氧化； 磷化按GB/T11376； 镀锌钝化按GB/T5267 |
简单处理 | |||||||||||
|
其他表面镀层或表面处理，应由供需双方协议。 所有公差仅适用于涂、镀前的公差 |
|||||||||||||
| 验收及包装 | GB/T90 | ||||||||||||
5 标记
5.1 标记方法按GB/T1237规定
5.2 标记示例
公称直径d1=6 mm、公称长度l=50 mm、材料为Y12或Y15、不经热处理、不经表面处理的螺尾锥销的标记： 销 GB/T881 6×50
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