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ISO Holders Identification
Catalogue Classification System For SEC-Tool Holders DTFNR2525M16
D T F N R 25 25 M 16 E
Clamping Holder Feed Shank Insert
System Style Direction Width Size
Chart 1 Chart 3 Chart 5 Chart 7 Chart 9
Insert Seat Clearance Shank Shank For D-Type Clamping: Double clamp system
Shape Angle Height Length Euro- Shape: Triangular insert with 91° approach angle
Shank: H = 25mm, W = 25mm, L = 150mm
Chart 2 Chart 4 Chart 6 Chart 8 Inserts
D 1506
External Holders
Chart 1 Chart 2 Chart 4
Clamping System Insert Shape Seat Clearance Angle
Symbol Clamp Types Example of Structure Symbol Clamp Types Example of Structure Symbol Relief Angle
Symbol Insert Shape Symbol Insert Shape
A 3°
A Parallelogram 85° M Rhombic 86 B 5°
85° 86° C 7°
C Top Clamp M Top & Hole D 15°
Clamp Type Parallelogram E 20°
B 82° 82 O Octagonal F 25°
G 30°
Lever Lock C Diamond 80 P Pentagonal N 0°
80° R55 Round
D Double Clamp P Type (Insert is
Supported by Diamond
D 55°
1 face)
Pin Lock Type E Diamond 75 S Square
75° 50 T Triangular
E (Insert is S Screw
supported by Clamp Type Diamond
F 50°
1 face)
Chart 5 H Hexagonal V Diamond 35
Symbol Right Hand Feed 35° 80
Feed Direction Symbol Left Hand Feed K Parallelogram 55 W Trigon
55°
Symbol Neutral Feed
RNL L Rectangular P 11°
O Special
Angle
Chart 3 Chart 6 Chart 7 Chart 8 Chart 9
Holder Style Shank Height Shank Width Shank Length Cutting Edge
Offset Symbol Shape
Symbol Shape Offset Symbol Height (mm) Symbol Width (mm) Symbol Length (mm) Symbol Length (mm)
A 95
90 With 12 12 12 12 F 80 Eg. for Triangle For Round
Nil L Offset 16 16 16 16 H 100 Inserts: Inserts:
95
20 20 20 20 10 10
K 125 06 6,9 12 12
16 16
B Nil N 63 Nil 25 25 25 25 M 150 08 8,2 20 20
75 32 32 32 32 25 25
N 160 09 9,6 32 32
D Nil R With 40 40 40 40 P 170 11 11,0
45
75 Offset 50 50 50 50 Q 180 16 16,5
With Shank S 250 22 22,0
Offset
E Nil S 45 00 Round shank, Diamater is T 300 27 27,5
60 60 Shown for
93 U 350 33 33,0
F 90 With Round Shank,
G With T 60 For some
Offset Offset 2 digits are used for each Products, a
90 Hypen is used
With U With dimension in mm. Instead of an
J Offset alphabet.
93 Offset
With W With
Offset Offset
K 75 With Y 85 With
Offset Offset
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