The 137-03201 is a high-speed steel, 4-flute machine countersink with an 82° countersink angle. Its product designation is 1/2X1/2-82 HS 4F MCH C'SNK.
Machine countersinks of this type are typically used to create or finish countersunk openings so compatible fasteners can sit recessed in a workpiece.
- Model: 137-03201
- Size designation: 1/2X1/2-82
- Material: High-speed steel (HS)
- Flutes: 4
- Type: Machine countersink
- Countersink angle: 82°
