Product specification

Taper Shank Drill High Performance - HssCo8 DIN 345 RN, 221148, 21X243/145

Code: 251003730
Category: Tools for hole-machining » 2 » Taper Shank Drills » 221148
more info
l145 mm
D21 mm
L243 mm
Note
Use:
High performance drills with increased heat resistance recommended for drilling in heavy duty machining parts.
Drills of 8% What have better heat resistance than 5% Co, where a more economical material variant is used.
They are really hard, wear-resistant but also brittle.
Requires higher machine rigidity - tool - workpiece.

Helix angle: λ = 25 ° ÷ 30 °
Peak angle: ε = 128 °
Drilling depth: 5 x D

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