BF系列精密研磨螺母的螺牙及贴合平面为精密研磨加工，其制动螺丝之固锁方向为30°配合螺纹角的设计，使制动铜完全贴合于螺纹面，更能达到安定精准的功能。
可免除锁定垫片及键槽之需要。
容易组装及拆卸。
组装程序正确可重複使用。
- 材质：SCM440
- 硬度：HRC28°~32°
- 精度：ISO 4H
- 牙面垂直度偏摆：0.002mm
| 零件型号 | d1 ISO-4H | D (mm) | h (mm) | d (mm) | n | g (mm) | t (mm) | 3-M | 螺钉拧紧力矩 (Nm) |
|---|---|---|---|---|---|---|---|---|---|
| BF15×1.0P | M15×1.0P | 30 | 14 | 25 | 3 | 4 | 2 | M5 | 4.8 |
| BF17×1.0P | M17×1.0P | 32 | 16 | 27 | 3 | 4 | 2 | M5 | 4.8 |
| BF20×1.0P | M20×1.0P | 38 | 16 | 33 | 3 | 4 | 2 | M6 | 8 |
| BF20×1.5P | M20×1.5P | 38 | 16 | 33 | 3 | 4 | 2 | M6 | 8 |
| BF25×1.5P | M25×1.5P | 38 | 18 | 33 | 3 | 5 | 2 | M6 | 8 |
| BF30×1.5P | M30×1.5P | 45 | 18 | 40 | 3 | 5 | 2 | M6 | 8 |
| BF35×1.5P | M35×1.5P | 52 | 18 | 47 | 3 | 5 | 2 | M8 | 19 |
| BF40×1.5P | M40×1.5P | 58 | 20 | 52 | 3 | 6 | 2.5 | M8 | 19 |
| BF45×1.5P | M45×1.5P | 65 | 20 | 59 | 3 | 6 | 2.5 | M8 | 19 |
| BF50×1.5P | M50×1.5P | 70 | 20 | 64 | 3 | 6 | 2.5 | M8 | 19 |
| BF55×2.0P | M55×2.0P | 75 | 22 | 68 | 3 | 7 | 3 | M8 | 19 |
| BF60×2.0P | M60×2.0P | 80 | 22 | 73 | 3 | 7 | 3 | M8 | 19 |
| BF65×2.0P | M65×2.0P | 85 | 22 | 78 | 3 | 7 | 3 | M8 | 19 |
| BF70×2.0P | M70×2.0P | 92 | 24 | 84 | 3 | 8 | 3.5 | M8 | 19 |
| BF75×2.0P | M75×2.0P | 98 | 24 | 90 | 3 | 8 | 3.5 | M8 | 19 |
| BF80×2.0P | M80×2.0P | 105 | 24 | 96 | 3 | 8 | 3.5 | M8 | 19 |
| BF85×2.0P | M85×2.0P | 110 | 24 | 102 | 3 | 8 | 3.5 | M8 | 19 |
| BF90×2.0P | M90×2.0P | 120 | 26 | 108 | 6 | 10 | 4 | M8 | 19 |
| BF95×2.0P | M95×2.0P | 125 | 26 | 113 | 6 | 10 | 4 | M8 | 19 |
| BF100×2.0P | M100×2.0P | 130 | 26 | 118 | 6 | 10 | 4 | M8 | 19 |
| BF105×2.0P | M105×2.0P | 140 | 28 | 125 | 6 | 10 | 4 | M10 | 36 |
| BF110×2.0P | M110×2.0P | 145 | 28 | 132 | 6 | 10 | 4 | M10 | 36 |
| BF115×2.0P | M115×2.0P | 150 | 28 | 137 | 6 | 10 | 4 | M10 | 36 |
| BF120×2.0P | M120×2.0P | 155 | 30 | 142 | 6 | 12 | 5 | M10 | 36 |
| BF125×2.0P | M125×2.0P | 160 | 30 | 147 | 6 | 12 | 5 | M10 | 36 |
| BF130×2.0P | M130×2.0P | 165 | 30 | 152 | 6 | 12 | 5 | M10 | 36 |
| BF135×2.0P | M135×2.0P | 175 | 32 | 160 | 6 | 12 | 5 | M10 | 36 |
| BF140×2.0P | M140×2.0P | 180 | 32 | 165 | 6 | 12 | 5 | M10 | 36 |
| BF145×2.0P | M145×2.0P | 190 | 32 | 175 | 6 | 12 | 5 | M10 | 36 |
| BF150×2.0P | M150×2.0P | 195 | 32 | 180 | 6 | 12 | 5 | M10 | 36 |
| BF155×3.0P | M155×3.0P | 200 | 34 | 180 | 6 | 14 | 6 | M10 | 36 |
| BF160×3.0P | M160×3.0P | 210 | 34 | 190 | 6 | 14 | 6 | M10 | 36 |
| BF165×3.0P | M165×3.0P | 210 | 34 | 190 | 6 | 14 | 6 | M10 | 36 |
| BF170×3.0P | M170×3.0P | 220 | 34 | 200 | 6 | 14 | 6 | M10 | 36 |
| BF180×3.0P | M180×3.0P | 230 | 36 | 205 | 6 | 16 | 7 | M12 | 60 |
| BF190×3.0P | M190×3.0P | 240 | 36 | 215 | 6 | 16 | 7 | M12 | 60 |
| BF200×3.0P | M200×3.0P | 250 | 38 | 225 | 6 | 16 | 7 | M12 | 60 |
| BF210×3.0P | M210×3.0P | 260 | 38 | 245 | 6 | 16 | 7 | M12 | 60 |
| BF220×3.0P | M220×3.0P | 270 | 38 | 255 | 6 | 16 | 7 | M12 | 60 |
| BF230×3.0P | M230×3.0P | 280 | 40 | 258 | 6 | 16 | 9 | M12 | 60 |
| BF240×3.0P | M240×3.0P | 290 | 40 | 268 | 6 | 16 | 9 | M12 | 60 |
| BF250×3.0P | M250×3.0P | 300 | 40 | 278 | 6 | 16 | 9 | M12 | 60 |
| BF260×4.0P | M260×4.0P | 310 | 40 | 288 | 6 | 20 | 10 | M14 | 100 |
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