Section E 25-26

Selection Guide for Boring Bars

Shank Material Depth of Cut (L/D)

Shank Material Depth of Cut (L/D)

Applicable Insert and Shape Coated Carbide and Dedicated PCD Inserts

Applicable Insert and Shape

Tool

Tooling

Tool

Tooling

CKB

C-SCLC

up to 8

up to 3

E32

E64

E-SCLC Oil

Hole 

BXBR

up to 8

up to 5

80˚ Diamond 7˚ Positive (With Hole)

Coated Carbide

E31

E69

S-SCLP

up to 3

DABB

up to 2

Brazed PCD

E35

E75

B-SCLP  

E

up to 6 up to 6

BSME Oil

Hole 

E36

up to 4

Brazed CBN

D-SCLP Oil Hole  

E70

E36

SEXC Oil

Hole 

up to 3

CBN Dedicated Inserts

C-SCLP

E71

up to 8

80˚ Diamond 11˚ Positive (With Hole)

E35

BNBX

up to 5

Brazed CBN

S-DCLN

up to 3

DCLN Type

E72

E12

BNB

up to 4



D-DCLN Oil

Hole 

up to 6

CBN Dedicated Inserts

E74

E14

A-STUP Oil

Hole 

up to 3

S-PCLN

PCLN/ECLN

up to 3

E48

E13

B-STUP  [XBPT] 

Type

B-PCLN

up to 6

up to 6

E52

E14

D-STUP Oil Hole  [XBPT-H]  C-STUP(B)  [WBPT]  E-STUP Oil Hole  [WBPT-H] 

S-ECLN

up to 3

up to 6

80˚ Diamond Negative (With Hole)

E51

E13

D-DWLN Oil

Hole 

up to 6

up to 8

E46

E29

S-DWLN

up to 3 up to 3

up to 8

E28

E50

S-PWLN

S-CTFP  S-PTFN  B-PTFN  S-DTFN

Trigon Negative (With Hole)

Triangular 11° Pos. (Without Hole)

up to 3

E29

E49

up to 3

S-SDUC S-SDQC  A-SDUC Oil A-SDQC Oil B-SDUC B-SDQC  C-SDUC  S-SDZC  B-SVJB  S-SVJC  S-SVQC S-SVUC  A-SVUC Oil

up to 3 up to 3

E24

E39

SDUC Type

up to 6

Hole  Hole 

E38

E25

SDQC Type

up to 6

up to 3

E41

E23

up to 8

D-DTFN Oil

Hole 

E40

up to 6

E25

up to 3

55˚ Diamond 7˚ Positive (With Hole)

E40

S-ETFN [BTFN]

up to 3

Triangular Negative (With Hole)

E24

up to 6

E56

BNZ

up to 5



CBN Dedicated Inserts

up to 3 up to 3 up to 3 up to 3

E73

E59

S-SCLC

up to 3

E31

SVU □ /SVQ □

E59, E60

A-SCLC Oil

Hole 

up to 3

Hole 

Type



E30

E58

B-SCLC

35˚ Diamond 5˚ Positive (With Hole) 7° Positive (With Hole)

up to 6

80˚ Diamond 7˚ Positive (With Hole)

A-SVQC Oil

Hole 



E58

E33

Hole : With oil hole

Oil Hole : With oil hole

Symbols in [ ] indicate the previous product types Oil

Colored box: Manufacturable size (no oil hole), H : In stock with oil hole : Steel Shank : Carbide Shank

: Steel Shank with Anti-Vibration Mechanism

E6

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