- System of Measurement: Imperial
- Thread Size: 0.2045in, 1/4-20
- Chamfer: Plug
- Number of Flutes: 3
- Thread Limit: H11
- Surface Treatment: Steam Oxide
- Material: HSSE-V3
- Thread Length: 0.591in
- Shank Diameter: 0.255in
- Thread Standard: UNC
- Overall Length: 2-1/2in
- Type: High Performance
- Series: J3 Series
- Through Coolant (Yes/No): Yes
- Item Features
- Standards
- Steam tempered is a Fe3O4-oxyd coating which reduces friction between the tool and workpiece, also preventing cold welding
- Heat treated and heat-resistant steels, <850 N/sq-mm Rm, <=1200 N/sq-mm Rm
USCTI 302A