Grooving, Cut-Off, Back Turning 2025

PBT Back Turning

Back Turning Lever Lock

Back Clamp

Fig 2

Fig 1

HBL

LF

HBL

Holder

Parts

Dimensions ( mm )

Lever Pin

Set Screw

Pin Wrench

Cutting Edge Distance WF

Cutting Edge Height HF

Overall Length LF

Height

Width

Offset

Cat. No.

Applicable InsertsFig

H

B

HBL

(For Hex Socket)

PBT35R1010 PBT35R1212 PBT35R1616 PBT35R2020 PBT55R1010 PBT55R1212 PBT55R1616 PBT55R2020 PBT80R1010 PBT80R1212 PBT80R1616 PBT80R2020

2 1 1 1 2 1 1 1 2 1 1 1

10 10 120 2.5 12 12 120 2.5 16 16 120 2.5 20 20 120 2.5 10 10 120 3.7 12 12 120 3.7 16 16 120 3.7 20 20 120 3.7 10 10 120 5.2 12 12 120 5.2 16 16 120 5.2 20 20 120 5.2

10 12 16 20 10 12 16 20 10 12 16 20

20

« « « « « « « « « « « «

BTT0407

- - -

BTR35 ○○

LCL09

LP07 TH020

BTT0411

22

BTT0407

- - -

BTR55 ○○

LCL09

LP07 TH020

BTT0411

25

BTT0407

- - -

BTR80 ○○

LCL09

LP07 TH020

BTT0411

(

Coated Carbide /

DLC Coating /

Cermet)

Insert

Dimensions ( mm )

Maximum Depth of Cut CDX

Overall Length L

Width of Cut CW

Nose Radius RE

Applicable Holders

Fig 1

Cat. No.

Fig

ø6.8

RE

BTR3505 BTR3508 BTR3515 BTR5505 BTR5508 BTR5515 BTR8005 BTR8008 BTR8015

● ● ● ●

p «

1

0.05 0.08 0.15 0.05 0.08 0.15 0.05 0.08 0.15

SBT35R ○○○○ PBT35R ○○○○

● ● ●

15 3.5 2.5

« «

CDX

● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●

p «

1 1

L

p « «

PBT55R ○○○○

19 5.5 3.7

« «

15°

p « «

p

1

-

CDX

PBT80R ○○○○

● ● ●

24 8.0 5.2

● ● ● ●

p

1

-

Recommended Cutting Conditions

S Exotic Alloy

Part Material

N Non-ferrous Metal

P Free-Cutting Steel

P Carbon Steel

M Stainless Steel

Tooling

Plunging Traverse Cut Plunging Traverse Cut Plunging Traverse Cut Plunging Traverse Cut Plunging Traverse Cut

Cutting Speed (v c ) (SFM) 500 to 1000 Feed Rate f (IPR) .0008 - .004 .0008 - .006 .0008 - .002 .0008 - .004 .0008 - .0015.0008 - .0025.0004 to .0012.0004 to .0016 .0008 - .002 .0008 - .004 Coolant Oil-based 165 to 500 165 to 500 165 to 500 65 to 265

● : USA Stock Item ● : Newly Added USA Stock Item (2025)

 : Worldwide Warehouse Item p : USA Limited Availability Item

 : Newly Added Worldwide Warehouse Item (2025)

Shank Tolerance of SBT / PBT A positive tolerance (0.1 - 0.3) is applied to the shank height (H) to prevent the cutting edge from interfering with the toolpost. Tool Overhang

Shank height ( H ) is greater than cutting edge height ( HF ). Toolpost

Amount of tool overhang can be shortened when mounted on a toolpost.

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