- System of Measurement: Imperial
- Thread Size: 1/4-20
- Chamfer: 1.5-2P Bottoming Entry Taper
- Number of Flutes: 4
- Thread Limit: H6
- Surface Treatment: TiCN Coated
- Material: HSS-E-PM
- Overall Length: 3.15in
- Thread Length: 0.51in
- Shank Diameter: 0.255in
- Thread Standard: UNC
- Hand Direction: Right Hand
- Type: Form E High Performance
- Series: GT27
- Country of Origin: US
- Manufacturer Name: WIDIA
- Application
- Item Features
- Standards
For blind hole applications
- Manufactured from powdered metal high-speed steel coated for thread forming in steel, stainless steel, and aluminum
- High hardness provides superior wear resistance
- Offer performance advantages over conventional high-speed steel taps
- Long tap life at up to 50% higher tapping speed than HSS taps
- Standard coolant-fed options for longer tool life
ANSI/DIN Specified