| INDUSTRY STANDARD | #3 |
| INCLUDED ANGLE | 60° |
| TOOL MATERIAL | High Speed Steel |
| FINISH COATING | Bright Finish |
| DRILL DIAMETER | 7/64″ |
| BODY DIAMETER | 1/4″ |
| HARDNESS | 58 to 60 RC |
| OVERALL LENGTH | 2″ |
| SIZE | # 3 |
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#3 Center Drill
.109 tip diameter, 1/4″ shank diameter
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55° Carbide Insert
While not inexpensive, carbide inserts offer excellent value—each insert provides four cutting edges, significantly reducing the need for frequent sharpening and saving valuable time.
Carbide cutters perform well on hard-to-machine materials like cold-rolled steel and are also effective on aluminum, brass, and leaded steels, offering exceptional durability. However, for the finest finishes on softer metals, a well-sharpened high-speed steel tool still delivers superior results.
This is the 10-pack of replacement carbide inserts for the following tool holders:
