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Grooving System 312/S312
Tool system for grooving, internal and external machining, face grooving and parting

Internal machining:
Bore diameters from 46 mm
Cutting width up to 5.3 mm
Grooving depth tmax = 5 mm
(depending on diameter)

External machining:
Grooving width 0.5 mm to 5.3 mm
Grooving depth tmax = 8 mm

Face Grooving:
Groove width 2 to 3 mm
Grooving depth tmax = 3 mm
From outside diameter Dmin = 20 mm

360
Depth of groove up to 6,0 mm
Clamping range 0,5 - 2,9 mm

Grooving, boring, face grooving, threading: ≥ Ø .008''  (0.2 mm)
The same toolholder can be used for all inserts Type 105

Carbide Grooving Tools:
-  special shaped backend of inserts guarantees accurate center height and indexability without 
resetting the machine
-  through coolant supply
-  enlarged backend of inserts gives a rigid clamping and good vibration resistance

for use with Toolholder:
BU105
B105
B105C
B105KM
BKT
H105
HC105
VDI

Internal grooving, chamfering and backboring inserts

for use with Toolholder:
B108
B108KM
BU108

This range of inserts are suitable for grooving, boring, face grooving and threading. The same toolholder can be used for all type 105 inserts. The specially designed backend guarantees accurate centre height and indexability.

Features and Benefits
• Versatile insert, suitable for use with all type 105 inserts
• Enlarged backend ensures a rigid clamping and good vibration resistance
• Backend also guarantees accurate centre height

Typical Applications
• Grooving
• Boring
• Face grooving
• Threading

R105.0200.2.7 Insert Grade TN35

Grooving System 312/S312
Tool system for grooving, internal and external machining, face grooving and parting

Internal machining:
Bore diameters from 46 mm
Cutting width up to 5.3 mm
Grooving depth tmax = 5 mm
(depending on diameter)

External machining:
Grooving width 0.5 mm to 5.3 mm
Grooving depth tmax = 8 mm

Face Grooving:
Groove width 2 to 3 mm
Grooving depth tmax = 3 mm
From outside diameter Dmin = 20 mm

312.0160.00 Insert Grade TN32

R114.0200.02 Insert Grade TN35

R105.1823.4.5 Insert Grade TN35

360
Depth of groove up to 6,0 mm
Clamping range 0,5 - 2,9 mm

R360.2525.01 Toolholder

M313.ST
No coolant supply
With cylindrical shank for CNC-lathes
Cylindrical steel milling shank for collet Ø Ds 21.7 mm

M313.ST16.01A Toolholder

R105.1823.1.5 Insert Grade TN35

R105.1819.1.4 Insert Grade TN35

S312.0200.D2 Insert Grade TI25

B108
With through coolant supply
Can be used in right and left hand inserts
Material of shank: Carbide - Giving a good vibration resistance
Bore Ø from .315′′ (8.0 mm)
Depth of groove up to .039′′ (1.0 mm)
Width of groove up to .079′′ (2.0 mm)

B108.0012.01 Toolholder

313.2445.01 Insert Grade TN35

Internal grooving, chamfering and backboring inserts

for use with Toolholder:
B108
B108KM
BU108

R108.1846.02 Insert Grade TI25

217.0050.00 Insert Grade TN32

312.0185.00 Insert Grade TF45

R105.0200.3.7 Insert Grade TN35

R108.0150.0.2 Insert GRDTN35

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