- System of Measurement: Imperial
- Thread Size: 1/4-18
- Chamfer: Tapered
- Number of Flutes: 4
- Surface Treatment: Bright
- Material: HSS
- Thread Length: 1-1/16in
- Shank Diameter: 0.563in
- Thread Standard: NPT
- Overall Length: 2-7/16in
- Hand Direction: Right Hand
- Type: Spiral Flute
- Series: 1548
- Country of Origin: US
- Helix Angle: 30°
- Hook Type: Medium
- Manufacturer Name: Dormer Pramet
- Square Size: 0.421in
- Application
- Item Features
- Standards
For blind and through hole applications
- Most effective when used in application that produce, long, stringy chips
- The spiral flute design effectively draws the chips from the hole being tapped
ANSI Specified|PROP65: This product contains chemicals known to the State of California to cause cancer. For more information: www.P65Warnings.ca.gov|CSA Approved