The 638-43004 is a 1/16 in. H.S.S. screw machine length drill with a black finish and 135° point, identified as a fractional screw machine drill in the 600A series.
This type of compact drill is typically used for general-purpose drilling in applications requiring a short screw machine length tool.
- Model: 638-43004
- Size: 1/16 in.
- Material: H.S.S. (high-speed steel)
- Type: Screw machine length drill
- Finish: Black
- Point angle: 135°
- Series: 600A
- Product designation: HS SM 135' DRL BLK USA
