The #28 HS Heavy Duty Black Drill Job, model 638-38028, is a high-speed steel (H.S.S.) jobber-length drill with a 135-degree split point. It is identified in the Heavy Duty Black 135 Degree Split Point wire-gage drill series.
This drill is typically used for general-purpose hole drilling applications where a wire-gage, jobber-length drill is specified.
- Model: 638-38028
- Wire gage: #28
- Material: H.S.S. (high-speed steel)
- Type: Jobber-length drill
- Series: Heavy Duty Black
- Point: 135-degree split point
