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  • Cobalt straight twist-drill I type
  • Cobalt straight twist-drill I type
  • Cobalt straight twist-drill I type

Cobalt straight twist-drill I type COSD 7.4

Item.#
06591444
Mfr.#
COSD 7.4
Package Qty.
1Box(10PC)
Ship pack of
1
169.90 SGD
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Shipped after 2016-12-08
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Item Feature
Point Angle (Degree)
135
Flute Length l (mm)
55
Geometry of Drill Flank
Cone
Helix Angle
High helix
Material
Cobalt HSS (high speed steel) HSSCo
Tolerance
h8
Blade Diameter D (phi mm)
7.4
Thinning Shape of Drills
X-shaped thinning
Overall Length L (mm)
111
Work Material
Structural steel, carbon steel, alloy steel, Harden steel, die steel, stainless steel, cast iron, aluminum alloy, non-ferrous metals