规 格：Φ12mm-Φ50mm
直径公差带：h8
标 准：GB/T14383-1996
特点及精度：钻头材料为W6Mo5Cr4V2高速工具钢，表面光亮白色，钻孔定心好，钻削轻快，排屑流畅
加工 材料：工具钢、非金属材料、合金结构钢、碳素结构钢、铸铁等
用 途：在机床上对工件进行深孔的钻削加工
| 锥柄加长麻花钻（HSS） | ||||||||||
| 规格/Φ | 沟长-I | 总长-L | 锥柄号 | 支/单价 | 规格/Φ | 沟长-I | 总长-L | 锥柄号 | 支/单价 | |
| 12.0 | 134 | 215 | 1 | 41.4 | 29.5 | 230 | 351 | 3 | 216.2 | |
| 12.5 | 134 | 215 | 1 | 41.4 | 30.0 | 230 | 351 | 3 | 216.2 | |
| 13.0 | 134 | 215 | 1 | 44.85 | 30.5 | 239 | 360 | 3 | 242.65 | |
| 13.5 | 142 | 223 | 1 | 49.45 | 31.0 | 239 | 360 | 3 | 242.65 | |
| 14.0 | 142 | 223 | 2 | 49.45 | 31.5 | 239 | 360 | 3 | 251.85 | |
| 14.5 | 147 | 245 | 2 | 49.45 | 32.0 | 248 | 397 | 4 | 251.85 | |
| 15.0 | 147 | 245 | 2 | 49.45 | 32.5 | 248 | 397 | 4 | 287.5 | |
| 15.5 | 153 | 251 | 2 | 50.6 | 33.0 | 248 | 397 | 4 | 287.5 | |
| 16.0 | 153 | 251 | 2 | 50.6 | 33.5 | 248 | 397 | 4 | 305.9 | |
| 16.5 | 159 | 257 | 2 | 57.5 | 34.0 | 257 | 406 | 4 | 305.9 | |
| 17.0 | 159 | 257 | 2 | 66.7 | 34.5 | 257 | 406 | 4 | 315.1 | |
| 17.5 | 165 | 263 | 2 | 69 | 35.0 | 257 | 406 | 4 | 315.1 | |
| 18.0 | 165 | 263 | 2 | 69 | 35.5 | 257 | 406 | 4 | 315.1 | |
| 18.5 | 171 | 269 | 2 | 80.5 | 36.0 | 267 | 416 | 4 | 322 | |
| 19.0 | 171 | 269 | 2 | 80.5 | 36.5 | 267 | 416 | 4 | 341.55 | |
| 19.5 | 177 | 275 | 2 | 82.8 | 37.0 | 267 | 416 | 4 | 341.55 | |
| 20.0 | 177 | 275 | 2 | 82.8 | 37.5 | 267 | 416 | 4 | 349.6 | |
| 20.5 | 184 | 282 | 2 | 93.15 | 38.0 | 277 | 426 | 4 | 349.6 | |
| 21.0 | 184 | 282 | 2 | 93.15 | 38.5 | 277 | 426 | 4 | 377.2 | |
| 21.5 | 191 | 289 | 2 | 95.45 | 39.0 | 277 | 426 | 4 | 377.2 | |
| 22.0 | 191 | 289 | 2 | 95.45 | 39.5 | 277 | 426 | 4 | 377.2 | |
| 22.5 | 198 | 296 | 2 | 95.45 | 40.0 | 277 | 426 | 4 | 402.5 | |
| 23.0 | 198 | 296 | 2 | 95.45 | 40.5 | 287 | 436 | 4 | 402.5 | |
| 23.5 | 198 | 319 | 3 | 106.95 | 41.0 | 287 | 436 | 4 | 402.5 | |
| 24.0 | 206 | 327 | 3 | 120.75 | 41.5 | 287 | 436 | 4 | 431.25 | |
| 24.5 | 206 | 327 | 3 | 125.35 | 42.0 | 287 | 436 | 4 | 431.25 | |
| 25.0 | 206 | 327 | 3 | 125.35 | 42.5 | 287 | 436 | 4 | 448.5 | |
| 25.5 | 214 | 335 | 3 | 138 | 43.0 | 298 | 447 | 4 | 448.5 | |
| 26.0 | 214 | 335 | 3 | 138 | 43.5 | 298 | 447 | 4 | 466.9 | |
| 26.5 | 214 | 335 | 3 | 154.1 | 44.0 | 298 | 447 | 4 | 466.9 | |
| 27.0 | 222 | 343 | 3 | 154.1 | 44.5 | 298 | 447 | 4 | 485.3 | |
| 27.5 | 222 | 343 | 3 | 179.4 | 45.0 | 298 | 447 | 4 | 485.3 | |
| 28.0 | 222 | 343 | 3 | 179.4 | 45.5 | 310 | 459 | 4 | 506 | |
| 28.5 | 230 | 351 | 3 | 198.95 | 46.0 | 310 | 459 | 4 | 506 | |
| 29.0 | 230 | 351 | 3 | 198.95 | 46.5 | 310 | 459 | 4 | 539.35 | |
