BRAND | FORM ROLL |
STYLE | Circular Pitch |
TOOTH PATTERN | DIAMOND (MALE) 30° HELIX |
TOOL MATERIAL | High-Speed Steel |
DIAMETER | 1/2″ |
PITCH | 25 |
WIDTH | 3/16″ |
HOLE SIZE | 3/16″ |
FINISH COATING | None |
HARDNESS | 58 to 60 RC |
NORMAL CIRCULAR TPI | 25 |
SERIES | EP |
WHEEL DIAMETER | 3/16″ |
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Related products


Carbide Inserts (thread, groove)
These Carbide inserts are used in the Insert Tool Holder and are used for either threading or grooving.
Thread Cutting
- 60° threading insert for cutting outside threads (P/N 22675)
- .031" insert (P/N 2269)
- .062" insert (P/N 2270)
- .094" insert (P/N 22694)
- .125" insert (P/N 22695)
- .031" radius insert (P/N 22692)
- .062" radius insert (P/N 22693)


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: