Sumitomo General Catalog 2025-2026

Indexable Cutter Insert Insert Identification Table

(Ex.) S E M T 13 T3 A G S N-H

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(1) Insert Shape Refer to Table 1

(3) Tolerance Refer to Table 3

(5) Cutting Edge Length Refer to Table 5

(7) Cutting Edge Angle Refer to Table 7

(9) Edge Treatment Refer to Table 9

(11) Additional Information Refer to Table 11

H

(2) Relief Angle Refer to Table 2

(4) Insert Hole Refer to Table 4

(6) Thickness Refer to Table 6

(8) Wiper Edge Relief Angle Refer to Table 8

(10) Feed Direction Refer to Table 10

Table 1: (1) Insert Shape SymbolInsert ShapeAngle A Parallelogram Type 85° H Trigon Type 120° L Rectangular Type 90° O Octagonal Type 135° P Pentagonal Type 108° R Round Type - S Square Type 90° T Triangular Type 60° Q Special - X Special - Table 6: (6) Thickness Symbol Thickness (mm) 02 2.38 03 3.18 T3 3.97 04 4.76 06 6.35

Table 2: (2) Relief Angle Symbol Relief Angle N 0° A 3° B 5° C 7° P 11° D 15° E 20° F 25° G 30° O Special Table 7: (7) Cutting Edge Angle Symbol Cutting edge angle A 45° D 60° E 75° F 85° H 87° P 90° Z Special

Table 4: (4) Insert Hole Symbol Shape (Cross Section)

Table 5: (5) Cutting Edge Length Shape Cutting Edge Length ( L )

Table 3: (3) Tolerance (mm) Symbol Inscribed Circle (mm) Thickness (mm) A ±0.025 ±0.025 C ±0.025 ±0.025 E ±0.025 ±0.025 K ±0.05 to ±0.15 ±0.025 M ±0.05 to ±0.15 ±0.13

W

S

L

M

T

L

R

R

L

N

H

L

T

A

L

O

L

Table 8 (8) Wiper Edge Relief Angle Symbol Relief Angle A 3° B 5° C 7° D 15° E 20° F 25° G 30° N 0° P 11° Z Special

Table 9: (9) Edge Treatment Symbol Shape

Table 10 (10) Feed Direction Symbol Feed Direction N No

R Right Hand L Left Hand

F

Sharp Edge

E

Table 11 (11) Additional Information (Ex.) Symbol Code Description A Sharp Edge H Strong Edge W Large Edge Treatment

Round Honing

Thickness

T

Negative Land

Thickness

S

For WBMR Insert Main Blade

Negative Land + Round Honing

Cutting edge angle

S

Relief Angle

* Exceptions The above table does not apply to the following insert codes: SPCH42TR, SPCH42R, SPCH53TR, SPCH53R, SDKN42MT, SDKN42M, SDKN53MT, SDKN53M, SEKN42MT, SEKN42M, SEKN53MT and SEKN53M.

For example, · although "H" and "K" indicate precision tolerances, the main cutting edges have general precision.

· "M" in this instance represents the Neutral Hand insert. · "T" in this instance represents negative land edge treatment. · "R" indicates the feed direction (right hand).

H15

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