- Material: HSS
- Overall Length: 2.72in
- Shank Diameter: 0.317in
- Square Size: 0.338in L x 0.238in W
- Thread Length: 1/2in
- Thread Standard: UNF
- Type: 50° Helix General Purpose
- Series: S108
- Thread Size: 1/4-28
- Number of Flutes: 3
- Surface Treatment: Bright
- Chamfer: 1.5P-2P Bottoming
- System of Measurement: Imperial
General purpose tap series provides exceptional value for tapping helicoil (STI) threads in a variety of ferrous and non-ferrous metals.
- Application
- Item Features
- Standards
For ferrous and non-ferrous materials applications
- HSS material - increased wear resistance
- Spiral flute - for blind hole applications
- Inch and metric - complete offering
- Screw thread insert (STI) tap - repair stripped threaded holes
- Without through coolant
REACH EU Regulation Article 33 No. 1907/2006|RoHS Directive EU 2015/863|WEEE 2002/96/EC|PROP65: When grinding or regrinding industrial cutting tools, residual grinding dust may occur. This dust may contain chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov