- Material: HSS-E-PM
- Helix Angle: 45 Degree
- Overall Length: 2.5000 in
- Shank Diameter - Decimal: 0.2550 in
- Thread Standard: UNF
- Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth
- They are used for threading blind holes and have 2 to 2-1/2 threads
Guhring 9039710063500 1/4-28 in | Modified Bottoming | Right Hand | 2B | H3/H4 | Spiral Flute Tap