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Features
- Designed for threading in hardened steels and difficult-to-machine materials
- Left-hand-cut, left-hand spiral designed for climb milling from top to bottom of right-hand threads
- Three forms and helical design reduces tool pressure and deflection resulting in accurate threads
- Cuts internal 60 Degree UN threads
- Able to cut larger threads of the same pitch
- h6 shank tolerance for high precision tool holders
- Latest generation AlTiN Nano coating offers superior hardness and heat resistance
- Select carbide grade for maximum tool life
- CNC ground in the USA
Product Specifications
| Size | 4-40 |
| Milling Diameter (Decimal Inch) | 0.0850" |
| Shank Diameter (Decimal Inch) | 0.2500" |
| Shank Diameter (Inch) | 1/4" |
| Number of Flutes | 3 |
| Length of Cut (Decimal Inch) | 0.0750" |
| Overall Length (Decimal Inch) | 2.5000" |
| Overall Length (Inch) | 2-1/2" |
| Finish/Coating | AlTiN Nano |
| Material | Carbide |
| Coolant Through (Yes/No) | No |
| Included Angle | 60 Degree |
| Neck Diameter (Decimal Inch) | 0.0530" |
| Single or Double | Single |
| Max Depth of Thread (Decimal Inch) | 0.0930" |
| Max Depth of Thread Decimal (Inch) | 3/32" |
Warning:
This Product Can Expose You To Materials And/Or Chemicals Including Arsenic, Lead, And Other Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm. For more information, visit www.P65Warnings.ca.gov