Step Chamfer Drill Bits
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Step chamfer drill bits create a hole with a countersink in one pass. Sometimes called subland drill bits, they clean and debur the hole as they drill and can be used to prepare holes for tapping.
TINAl-Coated Carbide Step Chamfer Drill Bits
The TiNAl coating on these drill bits provides a low-friction surface on the tool and is suitable for drilling most materials. Carbide drill bits provide excellent hardness, wear resistance, and heat resistance, but they require a rigid setup such as a drill press.
Metric + 150 ° Drill Bit Point Angle + 90 ° Chamfer Angle
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