Features
- Designed for threading hardened steels 46-68 Rc
- Cuts internal and external 60 Degree UN threads
- Mill right hand and left hand threads
- Able to cut larger threads of the same pitch
- Variable helix design reduces chatter and harmonics and produces more accurate threads
- Latest generation AlTiN Nano coating offers superior hardness and heat resistance
- Select carbide grade for maximum tool life
- Solid carbide
- CNC ground in the USA
Product Specifications
Size | 1/4-28 |
Milling Diameter (Decimal Inch) | 0.1800" |
Shank Diameter (Decimal Inch) | 0.1875" |
Shank Diameter (Inch) | 3/16" |
Number of Flutes | 3 |
Length of Cut (Decimal Inch) | 0.5000" |
Length of Cut (Inch) | 1/2" |
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 |
Single or Double | Single |

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