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T340 • D 型切削锥 • 英制 • 用于铸铁材料
Beyond™ 整体硬质合金直槽丝锥 • 通孔
Metric
Inch
| SAP Material Number | 5551034 |
| ISO Catalog Number | T340NC02500-20R3BX |
| ANSI Catalog Number | T340NC02500-20R3BX |
| Grade | KCK17 |
| [D1-TDZ] Thread Diameter Size | 1/4 - 20 |
| [L] Overall Length | 70.0000 |
| [L] Overall Length | 2.760 |
| [L3] Thread Length | 15.0000 |
| [L3] Thread Length | .5900 |
| [L2] Useable Length | 24.0000 |
| [L2] Useable Length | .9400 |
| [D] Adapter / Shank / Bore Diameter | 6.35 |
| [D] Adapter / Shank / Bore Diameter | .25 |
| [Z] Number of Flutes | 4 |
| Thread Tolerance Class ANSI | 3BX |
Uses and application
攻丝： 通孔
HM
倒角类型D（3.5－5）
攻丝螺旋角： 0°
射流冷却： 攻丝
公差等级： 3BX
制造商规格： UNC
制造商规格： UNF
Workpiece Materials
K
Cast Iron
Features and benefits
- KCK17 AlCrTiN 涂层，用于铸铁材料加工。
Machine Side
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Workpiece Side
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Grades
-
KCK17
采用 PVD AlCrN 复合涂层的细晶粒硬质合金材质。最新开发的特有涂层材料。在铸铁材料攻丝应用中具有卓越的耐磨性。良好的高温硬度性能确保超长使用寿命，攻丝速度比 HSS-E-PM 丝锥提高 4 倍。
K Cast Iron
| shank tolerance | |
| D | tolerance h6 + / - |
| 6 | +0, -0,008 |
| 810 | +0, -0,009 |
| 1216 | +0, -0,011 |
| shank tolerance | |
| D | tolerance h6 + / - |
| .250–.375 | +0, -.0004 |
| .438–.625 | +0, -.0004 |
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