The 638-45057 is a #57 HSS screw machine length drill with a black finish and 135° point, identified in the 600A series. It is a wire-gage drill listed for U.S.A. supply.
This type of drill is typically used for general drilling operations where a short, screw machine length tool is appropriate, including use in screw-machine-style applications.
- Model: 638-45057
- Size: #57 wire gage
- Material: H.S.S. (high-speed steel)
- Type: Screw machine length drill
- Finish: Black
- Point: 135°
- Series: 600A
- Category designation: U.S.A.
