Drill patent registered for Edge shape and technology.
Miraculous cutting power, drilling without centre drill.
Three unique technology: Stable drilling, Smooth Cutting, Perfect ejection.
Spin Speed 300rpm-1000rpm.
Material HSSCo (Made in Japan), Available for re-grinding.
Application:
Product Name | Straight Shank Cobalt Drill 3.9 X 79 X 51 |
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Brand | GEKKOU |
Country of Manufacture | Japan |
Weight | 0.1000 |
Drill Size | 3.9 mm |
Flute Length | 51 mm |
Drill Bit Material | HSS Co |
Overall Length | 79 mm |
Point Angle | 118 Degree |
Shank Diameter | 3.9 mm |
Decimal Equivalent | 0.1535 |