Guhring 9039890127000 1/2-20 in, UNF, 4 Flute, Spiral Flute STI Tap

• 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
• Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.

Guhring 9039890127000 1/2-20 in | UNF | 4 Flute | 40 Degree | Modified Bottoming | Spiral Flute STI Tap