EX gold twist drill Regular form (EX-GDR) for general processing EX-GDR 4.25
- EX-GDR 4.25
- Package Qty.
- Ship pack of
- Helix Angle (Degree)
- Groove Length FL (mm)
- Blade Diameter D (phi mm)
- Work Material
- Carbon steel, cast iron, aluminum alloy, magnesium alloy
- Surface Processing
- TiN coating
- Shank Diameter d (phi mm)
- Overall Length L (mm)
- Cobalt HSS (high speed steel) HSS-Co
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1 Customer Reviews
The reviews are automatic translation.
Drilling by the drilling machine
On 2012-02-06 21:19:44
That I think using the GDR → blade length to feel a little long.
That I think using the GDS → blade length it will be short like feel.
Between the GDS and the GDR, I thought, "I wish the middle size is there."
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