The 638-40087 is a 1-23/64 HSS screw machine-length drill with a bright finish and 118° point, identified in the catalogue as “1-23/64 HS SCW M/C DRL BRGHT U.”
This type of drill is typically used for general-purpose drilling applications where a short, rigid screw machine-length drill is appropriate.
- Model: 638-40087
- Drill size: 1-23/64
- Material: H.S.S. (high-speed steel)
- Style: Screw machine length
- Finish: Bright
- Point angle: 118°