Micro 100 GR-068F 3/4x3/8in Shank Carbide Single-Point Grooving Tool Bit
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The Micro 100 GR-068F is a new, single-point carbide grooving tool bit in the GR style, featuring a 3/4 in shank width and 3/8 in shank height, with a brazed carbide cutting tip and a zinc-treated steel shank body for corrosion resistance. The "GR" designation identifies it as a right-hand grooving/recessing tool bit designed for use in standard lathe toolholders accepting the corresponding shank dimensions; the "068" encodes a 0.068 in cutting width, and the "F" suffix indicates a front-cutting (facing) geometry. The 170D suffix stamped on the tool body indicates a 170° included-angle geometry suited for external grooving and recessing operations on CNC and manual lathes. The brazed carbide tip delivers the hardness and wear resistance needed for grooving ferrous and non-ferrous workpiece materials, while the black oxide/zinc finish on the shank provides corrosion protection during storage and use.
Product Specifications
| Brand | Micro 100 |
| MPN | GR-068F |
| Tool Style | GR (Grooving/Recessing) |
| Hand of Cut | Right-Hand |
| Cutting Operation | External Grooving, Recessing |
| Cutting Width | 0.068 in |
| Shank Width | 3/4 in |
| Shank Height | 3/8 in |
| Cutting Tip Material | Carbide (brazed) |
| Shank Material | Steel w/ Zinc Treatment |
| Geometry Suffix | F (Front-Cutting) |
| Included Angle | 170° |
| Condition | New |