Description
GARANT Diabolo micro-precision copy slot drill for hard machining.

Application
For high-performance hard machining and precision contour milling.

Features
Type H.
Two cutting edges.
Ground recess.
TiAlN coating.
Recess angle: 16 deg.
Corner-radius contour tolerance 0/-0.005 mm.
Neck diameter tolerance 0/-0.01 mm.

Advantages
Special geometry, coating and carbide provide high precision and stable cutting.

Product Data
Product type: Diabolo Solid Carbide Precision Micro Copy Slot Drill
Article family: 207373
Size: 1x25 mm

Dimensions
Diameter x overhang length: 1x25 mm
Cutting length Lc: 0.8 mm
Length L1: 25 mm
Neck diameter D1: 0.96 mm
Overall length L: 60 mm
Shank diameter Ds: 4 mm
Feed fz <65 HRC: 0.02 mm
Correction factor ap: 0.12

Cutting Data
Steel <500 N/mm^2: 200 m/min
Steel <750 N/mm^2: 190 m/min
Steel <900 N/mm^2: 170 m/min
Steel <1100 N/mm^2: 150 m/min
Steel <1400 N/mm^2: 110 m/min
Hardened steel <55 HRC: 100 m/min
Hardened steel <60 HRC: 80 m/min
Hardened steel <65 HRC: 65 m/min

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