- System of Measurement: Imperial
- Thread Size: 1/2-13
- Chamfer: Bottoming
- Number of Flutes: 3
- Surface Treatment: Oxide/Nitride Coated
- Material: HSS-E-PM
- Overall Length: 3.38in
- Thread Length: 0.77in
- Shank Diameter: 0.367in
- Thread Standard: UNC
- Hand Direction: Right Hand
- Type: Form E High Performance
- Series: GT94
- Applicable Materials: Cobalt Based Alloys
- Country of Origin: US
- Flute Direction: Right Hand
- Manufacturer Name: WIDIA
- Application
- Item Features
- Standards
For blind hole applications
- Optimized spiral flute design enables deep blind holes to be threaded
- Offer performance advantages over conventional high speed steel taps
- Long tap life at up to 50% higher tapping speed than HSS taps
- Bottoming chamfer (1-2P) - for threading close to the bottom of blind holes
- WS39MG grade - surface treated HSS-E-PM powder metal HSS-E substrate with oxide/nitride surface treatment that provides wear resistance in nickel alloys
ANSI 302A