Tool Holder Identification

■ SEC-Tool Holder Identification

  • Identification example
(Example)DTFNR 25 25(−)M 16(04 W)
DTFNR2525M16

⑧ ⑨ ⑩ ⑪

① Clamping③ Holder⑤ Feed⑦ Shank⑨ Insert cutting
⑪ Shim
systemstyledirectionwidthedge length
Chart 1Chart 3Chart 5Chart 7Page B3 (Chart 5)Additional remark only for articles with planking
CSee Chart 9 forWith Type 30/GD Type Holders
conventional Cat. No.Additional remark only for
articles with planking

② Insert ④ Relief ⑥ Shank ⑧ Shank ⑩ Insert

  • Clamping: Double Clamp Type
shapeangleheightlengththickness
Shape: With triangular inserts, and 91
Chart 2Chart 4Chart 6Chart 8Chart 10cutting edge angle
  • Shank: 25mm height, 25mm width,

Insert thickness with same Cat. No. Additional remark only on different articles 150mm length

(Chart 1) (Chart 2) (Chart 4)

① Clamping system ② Insert shape ④ Relief angle

SymbolClamp typeMechanism example SymbolClamp typeMechanism exampleSymbolInsert shapeSymbolInsert shapeSymbolRelief angle
AParallelogramMDiamond TypeA
  • 85˚
  • 86˚
CMTop clamp +Angle: 85Angle 86
Top clamp
Pin lock

B Parallelogram O B 5°

°82˚Octagonal
Angle: 82

C Diamond Type P C 7°

Lever Lock Type 80˚ Pentagonal

DDouble ClampPAngle 80
(supported by
Type

C 2 lathes) D Diamond Type R D 15°

°55˚Round
Angle 55

E Diamond Type S E 20°

+ Pin Lock Type 75˚ Square

ESAngle 75
(supported byScrew lock

1 lathe) F Diamond Type T F 25°

D°50˚Triangle
Angle 50

H V Diamond Type G 30°

Hexagonal°35˚
(Chart 5)Angle 35
R⑤ Feed directionKParallelogramWTrigonN
55˚
Angle 55°Trigon Type80˚

Symbol Right hand Symbol Left hand Symbol Neutral

L Rectangular P 11°

R L N

S O Special relief angle

(Chart 3)(Chart 6)(Chart 7)(Chart 8)(Chart 9) Note: Applicable only for conventional parts No.
T
③ Holder Style (indicates the main cutting edge)⑥ Shank height⑦ Shank width⑧ Shank lengthInsert inscribed circleInsert thickness
SymbolShapeOffset SymbolShapeOffsetSymbolHeight (mm)SymbolWidth (mm)Symbol Length (mm)Symbol Inscribed circle (mm)Symbol Thickness (mm)
12121212F8039.52523.18

A* L 95˚

NoneYes16161616H10044.76 3 + 12.70
V90˚
95˚
20202020K12556.35 4 15.875
BNoneNNone25252525M15067.94 5 19.05
75˚63˚32323232N16089.52 6 25.40
W40404040P170For conventional Cat. No., inscribed circle and insert
DNoneRYes
50505050Q180thickness are combined and displayed in two-digit figures
45˚75˚
Regarding shank height and width, dimensionsS250In the case of a round insert
ENoneSYesinteger is shown in two-digit mm unitsT300
45˚Symbol Inscribed circle (mm)
60˚
(Chart 10)U3501010
F*90˚TIn some cases,1212
YesYesInsert thickness
a hyphen (-) may
60˚1616
Symbol Thickness (mm) Symbol Thickness (mm)be used for the
G*UX1 1.40/1.80*044.76conventional model2020
Yes93˚ Yesnumber.
90˚011.59055.562525
022.38066.353232
JYesWYes
60˚T22.78077.94
93˚
KYesYYesT33.97

75˚ 85˚ * CCET03X1 → 1.40, CCET04X1→ 1.80 * 91° for our company products