产品名称:内六角柱端紧定螺钉
产品概述:圆柱端内六角紧定螺钉有称之为内六角柱端机米、顶丝、止付螺丝等,特点:1、无头设计,拧紧后表面平整,不影响周边零件的运动或装配空间。2、内六角驱动方式可承受较大拧紧扭矩,防松效果优于一字、十字槽紧定螺钉。3、装配后可沉入被连接件的螺纹孔内,通过拧紧时的轴向力,让圆柱端紧紧顶在被定位零件的凹槽、平面或孔壁上,从而限制两个零件之间的旋转或轴向窜动,圆柱端接触面大,相比尖端螺钉,不会压伤零件表面,适合精密部件。注意事项:1、被顶紧的零件需预留定位槽或平面,否则无法达到可靠的固定效果。2、拧紧扭矩需适中,过大易导致螺钉滑丝或零件变形,过小则无法起到防松作用。
产品材料:SUS304、SUS316、SUS316L、410等不锈钢特殊材料、碳钢(1008、1022、10B21、35K、45K),合金钢(10B33、40Cr、SCM435)、B7、B7M、A320 L7/L7M等,通常会使用合金钢材料与不锈钢材料为主
产品等级:A2-50、A2-70、A4-70、A4-80、B8、8.8级、10.9级,12.9级等产品性能符合碳钢ISO898-5与不锈钢DIN267-11
产品表面:发黑、蓝白锌、彩锌、黑锌、锌镍合金、久美特、达克罗、电泳、特氟龙、烤漆、涂防松胶等客户指定表面处理
产品直径:M1.6、M2、M2.5、M3、M4、M5、M6、M8、M10、M12、M16、M18、M20、M24等螺纹直径
产品长度:螺丝长度有 2mm、2.5mm、3mm、4mm、5mm、6mm、8mm、10mm、12mm、16mm、18mm、20mm、25mm、30mm、35mm、40mm、45mm、50mm、60mm,长度可供选择与定制
产品图片


产品尺寸

| Thread d | M1.4 | M1.6 | M1.8 | M2 | M2.5 | M3 | M4 | M5 | M6 | ||
| P | 0.3 | 0.35 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | ||
| d | max | 0.45 | 0.55 | 0.65 | 0.75 | 1.25 | 1.75 | 2.25 | 3.2 | 3.7 | |
| min | 0.7 | 0.77 | 0.77 | 0.89 | 1.27 | 1.52 | 2.02 | 2.52 | 3.02 | ||
| e | min | 0.803 | 0.893 | 0.803 | 1.003 | 1.427 | 1.73 | 2.3 | 2.87 | 3.44 | |
| s | Nominal size | 0.7 | 0.7 | 0.7 | 0.9 | 1.3 | 1.5 | 2 | 2.5 | 3 | |
| max | 0.711 | 0.711 | 0.711 | 0.9 | 1.3 | 1.5 | 2 | 2.5 | 3 | ||
| min | 0.724 | 0.724 | 0.724 | 0.902 | 1.295 | 1.545 | 2.045 | 2.586 | 3.08 | ||
| t | min | 0.6 | 0.7 | 0.8 | 0.8 | 1.2 | 1.2 | 1.5 | 2 | 2.5 | |
| max | 1.4 | 1.5 | 1.6 | 1.7 | 2 | 2 | 2.5 | 3 | 3.5 | ||
| short pin 3) | min | 0.4 | 0.4 | 0.5 | 0.5 | 0.63 | 0.75 | 1 | 1.25 | 1.5 | |
| max | 0.65 | 0.65 | 0.65 | 0.75 | 0.88 | 1 | 1.25 | 1.5 | 1.75 | ||
| long pin 4) | min | 0.8 | 0.8 | 1 | 1 | 1.25 | 1.5 | 2 | 2.5 | 3 | |
| max | 1.05 | 1.05 | 1.25 | 1.25 | 1.5 | 1.75 | 2.25 | 2.75 | 3.25 | ||
| Weight (7.85 kg/dm³) kg per 1000 pieces ≈ | |||||||||||
| Nominal size | L L(max) | M1.4 | M1.6 | M1.8 | M2 | M2.5 | M3 | M4 | M5 | M6 | |
| Min | Max | ||||||||||
| 2 | 1.8 | 2.2 | |||||||||
| 2.5 | 2.3 | 2.7 | |||||||||
| 3 | 2.8 | 3.2 | 0.022 | 0.029 | |||||||
| 3.5 | 3.26 | 3.74 | |||||||||
| 4 | 3.76 | 4.24 | 0.029 | 0.037 | 0.048 | 0.059 | 0.1 | ||||
| 5 | 4.76 | 5.24 | 0.036 | 0.046 | 0.06 | 0.074 | 0.125 | 0.163 | |||
| 6 | 5.76 | 6.24 | 0.043 | 0.056 | 0.072 | 0.089 | 0.15 | 0.186 | 0.292 | ||
| 8 | 7.71 | 8.29 | 0.119 | 0.199 | 0.276 | 0.442 | 0.708 | 1.02 | |||
| 10 | 9.71 | 10.29 | 0.148 | 0.249 | 0.366 | 0.592 | 0.948 | 1.29 | |||
| 12 | 11.65 | 12.35 | 0.456 | 0.742 | 1.19 | 1.63 | |||||
| 14 | 13.65 | 14.35 | |||||||||
| 16 | 15.65 | 16.35 | 0.636 | 1.04 | 1.67 | 2.34 | |||||
| 18 | 17.58 | 18.42 | |||||||||
| 20 | 19.58 | 20.42 | 0.816 | 1.34 | 2.15 | 3.04 | |||||
| 22 | 21.58 | 22.42 | |||||||||
| 25 | 24.58 | 25.42 | 2.75 | 3.92 | |||||||
| 28 | 27.58 | 28.42 | |||||||||
| 30 | 29.58 | 30.42 | 4.8 | ||||||||
| 35 | 34.5 | 35.5 | 5.68 | ||||||||
| Thread d | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | ||
| P | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | ||
| d | max | 5.5 | 7 | 8.5 | 10 | 12 | 13 | 15 | 17 | 18 | |
| min | 5.2 | 6.64 | 8.14 | 9.64 | 11.57 | 12.57 | 14.57 | 16.57 | 17.57 | ||
| e | min | 4.58 | 5.72 | 6.86 | 6.86 | 9.15 | 11.43 | 11.43 | 13.72 | 13.72 | |
| s | Nominal size | 4 | 5 | 6 | 6 | 8 | 10 | 10 | 12 | 12 | |
| max | 4.02 | 5.02 | 6.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 | 12.032 | ||
| min | 4.095 | 5.095 | 6.095 | 6.095 | 8.115 | 10.115 | 10.115 | 12.142 | 12.142 | ||
| t | min | 3 | 4 | 4.8 | 5.6 | 6.4 | 7.2 | 8 | 9 | 10 | |
| max | 5 | 6 | 8 | 9 | 10 | 11 | 12 | 13.5 | 15 | ||
| short pin 3) | min | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | |
| max | 2.25 | 2.75 | 3.25 | 3.8 | 4.3 | 4.8 | 5.3 | 5.8 | 6.3 | ||
| long pin 4) | min | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| max | 4.3 | 5.3 | 6.3 | 7.36 | 8.36 | 9.86 | 10.36 | 11.43 | 12.43 | ||
| Weight (7.85 kg/dm³) kg per 1000 pieces ≈ | |||||||||||
| Nominal size | L L(max) | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
| Min | Max | ||||||||||
| 6 | 5.76 | 6.24 | |||||||||
| 8 | 7.71 | 8.29 | |||||||||
| 10 | 9.71 | 10.29 | 2.28 | ||||||||
| 12 | 11.65 | 12.35 | 2.68 | 4.41 | |||||||
| 14 | 13.65 | 14.35 | |||||||||
| 16 | 15.65 | 16.35 | 3.94 | 6.05 | 8.91 | ||||||
| 18 | 17.58 | 18.42 | |||||||||
| 20 | 19.58 | 20.42 | 5.2 | 8.02 | 11 | 20.1 | |||||
| 22 | 21.58 | 22.42 | |||||||||
| 25 | 24.58 | 25.42 | 6.79 | 10.5 | 14.6 | 25.1 | 38.9 | ||||
| 28 | 27.58 | 28.42 | |||||||||
| 30 | 29.58 | 30.42 | 8.38 | 13 | 18.2 | 31.9 | 45.5 | 67.7 | |||
| 35 | 34.5 | 35.5 | 9.97 | 15.5 | 21.8 | 38.2 | 55.8 | 78.4 | |||
| 40 | 39.5 | 40.5 | 11.6 | 18 | 25.4 | 44.9 | 66.1 | 93.4 | |||
| 45 | 44.5 | 45.5 | 76.4 | 108 | |||||||
| 50 | 49.5 | 50.5 | 86.7 | 123 | |||||||
| 55 | 54.4 | 55.6 | 138 | ||||||||
| 60 | 59.4 | 60.6 | 153 | ||||||||
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