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Boring inserts and grades

From roughing to finishing, we have the dedicated inserts you need for successful boring operations.

Find your turning inserts and grades used for boring

CoroBore® 111

Dedicated four-edged inserts, this insert with optimized grade selection for roughing is your first choice for boring applications. The unique solution offers excellent chip breaking and increased tool life in ISO P, M, K and S materials.

Benefits and features

  • Improved surface finish
  • Increased tool life
  • Excellent chip breaking


Roughing recommendations
  Material Medium Roughing

 

CoroBore® 111, screw clamping

P -BM/GC4325 -BR/GC4325
M -BM/GC2025 -BR/GC2025
K -BM/GC3210 -BR/GC3210
S -BM/GC1145 -BR/GC1145
Positive inserts

 

CoroTurn® 107, screw clamping

P -PM/GC4225 -PR/GC4225
M -MM/GC2025 -MR/GC2025
K -KM/GC3215 -KR/GC3215
N -AL/H10 -AL/H10
S -MM/GC1105 -MM/GC1105
Negative inserts

 

T-Max® P, CoroTurn® RC, rigid clamping

P -PM/GC4225 -PR/GC4225
M -MM/GC2025 -PR/GC4225
K -KM/GC3215 -KR/GC3215
S -QM/GC1105 -QM/GC1105

Finishing recommendations
Material Designation vc
m/min
(in/min)
Ra 0.8 Ra 1.6
Insert ap
mm
(inch)
fn
mm/rev
(in/rev)
Insert ap
mm
(inch)
fn
mm/rev
(in/rev)
P 46MnVS6 180
(7086.61)
TCEX 110302 L-F 1125 0.2
(0.008)
0.25
(0.010)
TCMT 110304 PF 4325 0.4
(0.016)
0.09
(0.004)
M F55 130
(5118.11)
TCMT 110304 MF 1125 0.4
(0.016)
0.07
(0.003)
TCMT 110304 MF 1125 0.4
(0.016)
0.13
(0.005)
K K3.2.C.UT 225
(8858.27)
TCMT 110304 PF 4325 0.4
(0.016)
0.03
(0.001)
TCMT 110304 PF 4325 0.4
(0.016)
0.14
(0.006)
N ALAS9U3Y40 270
(10629.90)
TCGX 110204 AL H10 0.4
(0.016)
0.9
(0.004)
TCGX 110204 AL H10 0.4
(0.016)
0.13
(0.005)
S Ti6AI4V 50
(1968.50)
TCGX 110204 AL H10 0.4
(0.016)
0.1
(0.004)
TCGX 110204 AL H10 0.4
(0.016)
0.13
(0.005)

Note: Grade recommendations are valid for average conditions. For recommendations on when alternative grades should be used, see General Turning.



Highlights

CoroBore® BR20 twin-edge boring tool for flexible boring

CoroBore® BR20 is a twin-edge multi-purpose tool for rough boring. The system consists of adaptors with matching slides, shims and covers, making it possible to adapt the tool to various materials and conditions.

CoroBore® BR30 multi-edge boring tool

When maximum productivity is in focus, choose the highly productive multi-edge CoroBore® BR30 to achieve the utmost metal removal rate.

Next generation rough boring tools

The new generation of CoroBore® rough boring tools provides you high-end productivity in all your rough boring operations.

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