Specifications
Dimensions
- Helix Angle52 °
- Overall Length2 in
- Thread Size#4-40 in
Details
- ChamferBottoming
- Finish CoatingBright
- MaterialHigh Speed Steel
- Number Of Flutes3
- Thread Limit/FitH2
- Thread StandardUNC
Overview
Mfr description
87151718 #4-40 UNC, 3 FL, 52 DEG; HELIX,
- Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads
- Bright provides a smooth, polished finish on the tool
- It increases chip flow in softer materials such as aluminum, wood and plastic