Description
Solid carbide micro precision slot drill with crystalline diamond sp^3 coating.

Application
For highest demands regarding performance and precision in fibre-reinforced composites, CRP, GRP and graphite.

Features
Two cutting edges.
Right-hand cutting.
Ground recess.
Recess angle 16 deg.
Helix angle 25 deg up to 0.8 mm; 30 deg from 1 mm.
Diameter tolerance 0/-0.005 mm.
Neck diameter tolerance 0/-0.01 mm.
Crystalline diamond sp^3 coating.

Dimensions
Diameter x overhang length: 3x60 mm
Cutting length Lc: 4.5 mm
Length L1: 60 mm
Neck diameter D1: 2.91 mm
Overall length L: 100 mm
Shank diameter Ds: 4 mm
Feed graphite: 0.03 mm
Alternate feed graphite: 0.035 mm
Correction factor ap: 0.04

Cutting Data
PVDF: 200 m/min
POM: 190 m/min
PA 6.6: 170 m/min
PEEK: 150 m/min
PTFE: 180 m/min
PEEK CF: 160 m/min
Honeycomb sandwich: 350 m/min
GRP: 190 m/min
CRP: 190 m/min
Graphite: 340 m/min

Notes
At greater overhang lengths use the reduced ap correction factor. Calculate feed using the actual machine speed.