Description
Adjustable indexable countersinking mill, steplessly adjustable for angles from 0deg to 90deg.

Application
For forward and reverse deburring, chamfering and countersinking. Suitable for oblique plunging and circular plunging.

Features
Made of hardened tool steel.
Deeply engraved scale.
Two exposed insert edges.
Stepless angle adjustment from 0deg to 90deg.

Product Data
Shank diameter Ds h6: 20 mm
Length L1: 44 mm
Overall length Ltot: 98 mm
Suitable indexable insert: SP.T1204..
Set of insert screws: 219848 (20IP; 5.5 Nm)
Adjustment element: 219886
Clamping screw for adjustment element: 219888
Shank type: Weldon shank
Adjustment range: 0deg-90deg
Angle 0deg: Dmin 3.1 mm; Dmax 26.9 mm
Angle 10deg: Dmin 5.7 mm; Dmax 28.8 mm
Angle 20deg: Dmin 8.4 mm; Dmax 30.3 mm
Angle 30deg: Dmin 11.6 mm; Dmax 31.4 mm
Angle 40deg: Dmin 14.3 mm; Dmax 31.9 mm
Angle 45deg: Dmin 16.0 mm; Dmax 32.0 mm
Angle 50deg: Dmin 17.3 mm; Dmax 31.9 mm
Angle 60deg: Dmin 20.3 mm; Dmax 31.6 mm
Angle 70deg: Dmin 23.1 mm; Dmax 30.7 mm
Angle 80deg: Dmin 25.4 mm; Dmax 29.4 mm
Angle 90deg: Dmin 3.9 mm; Dmax 27.6 mm

Operating Instructions
Circular plunging at 30deg: Dmin 41.5 mm; Dmax 52 mm; plunge angle 3deg; apmax 2.0 mm
Circular plunging at 45deg: Dmin 46 mm; Dmax 53 mm; plunge angle 3deg; apmax 2.0 mm
Circular plunging at 60deg: Dmin 49.5 mm; Dmax 54 mm; plunge angle 2deg; apmax 2.0 mm
Oblique plunging at 30deg: plunge angle 5deg; ramp distance L 21.0 mm; apmax 2.0 mm
Oblique plunging at 45deg: plunge angle 4deg; ramp distance L 26.0 mm; apmax 2.0 mm
Oblique plunging at 60deg: plunge angle 4deg; ramp distance L 26.0 mm; apmax 2.0 mm

Note
For setting an exact angular value, use a pre-setting device. Only catalogue sizes marked XXX were extracted.