Section D 25-26

Small Tool Holders SBT / PBT SBT Back Turning

● : USA stocked item « : Worldwide Warehouse item

Fig 1

Fig 2

20

LF

20

Holder

Parts

Dimensions (inch / mm )

Flat Screw Wrench

Cutting Edge Distance WF

Cutting Edge Height HF

Overall Length LF

D

Applicable Inserts

Height

Width

Cat. No.

Fig

N m

H

B

(For Torx Holes)

SBTR3506 SBTR3508 SBTR3510 SBT35R1010 SBT35R1212 SBT35R1616 SBT35R2020 PBT Back Turning

● ● ●

.375 .375 .500 .500 .625 .625

6.000 6.000 6.000

.080 .106 .133

.375 .500 .625

1 1 1 2 1 1 1

BTR35 ○○

2.0 TRX10

BFTX0307N

10 12 16 20

10 12 16 20

120 120 120 125

2.5 2.5 2.5 2.5

10 12 16 20

« « « «

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

Insert

(

Coated Carbide /

Cermet)

Dimensions ( mm )

Fig 1

Overall Length L

Width of Cut CW

Nose Radius RE

ø6.8

Applicable Holders

Maximum Depth of Cut CDX

Cat. No.

Fig

RE

15 3.5 2.5 0.05 SBT35R ○○○○ PBT35R ○○○○ 1 15 3.5 2.5 0.15 1

● ● ● ● « « « « « « « «

p p p p p p

BTR3505 BTR3515 BTR5505 BTR5515 BTR8005 BTR8015

« «

CDX

L

1 1 1 1

- - - -

19 5.5 3.7 0.05 19 5.5 3.7 0.15 24 8.0 5.2 0.05 24 8.0 5.2 0.15

PBT55R ○○○○

15°

PBT80R ○○○○

CDX

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

Recommended Cutting Conditions

Part Material

P Free-Cutting Steel

P Carbon Steel

M Stainless Steel

Tooling

Plunging Traverse Cut Plunging Traverse Cut Plunging Traverse Cut

Cutting Speed (v c ) (SFM) 165 to 500 Feed Rate f (IPR) .0008 - .004 .0008 - .006 .0008 - .002 .0008 - .004 .0008 - .0015 .0008 - .0025 Coolant Oil-based 165 to 500 165 to 500

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

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

D17

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