Sumitomo General Catalog 2025-2026

Indexable Insert Drills WDX Series Insert Selection Guide - Wide Selection of Inserts for WDX Series 5 Grades 4 Types of Chipbreakers

11 Combinations are possible!

Grade

High

Part Material

ACM300 ACK300

DL1500

ACP100

ACP300

M

ACK300

DL1500

ACP100

ACP300

ACM300

H

Steel (High-Speed Drilling) P

L P K G P K H P K

H P G P M L P

L P K G P K H K

G

P Steel

(General Drilling)

G N

L

Stainless Steel M Cast Iron (High-Speed Drilling) K Cast Iron (General Drilling) K Non-Ferrous Metals N

.0019 .0039 .0059 .0079 .0099 Feed Rate f (IPR)

M

M

J

G ACP100 General- Purpose For Low Feed with Chip Evacuation L ACP100

Steel

Steel

Steel

Strong Edged

For Low Feed with Chip Evacuation

· For insuf‚cient cutting edge strength due to drilling of hardened steel (heat treated) H ACP300 · For drilling with interruptions (entry/through) due to slanted entry, reduce the feed rate in the interrupted area (around f = 0.0019 IPR)

· For drilling various types of Steel L ACP300 · High speed and low feed is recommended if there are issues with chip control · Decrease the feed if vibration occurs due to burnt chips

· For drilling of general steel and alloy steel, when prone to signicantly large ank wear

Steel

P

· For low-feed conditions

Insufcient wear resistance

Improved chip control (low carbon steel, etc.)

Initial chipping measures (interruption, high hardness, etc.)

Steel

Steel

Steel

General- Purpose

For stainless steel drilling

ACK300 For cast iron drilling ACP300 For general steel & alloy steel drilling DL1500 For non-ferrous metal drilling

Stainless Steel ACM300

Steel

Steel

M Stainless Steel

G

Cast Iron

P M K N

Cast Iron

Non-Ferrous

Insufcient wear resistance (high-speed drilling)

Lack of chip evacuation (extension)

Initial chipping measures (interruption, high feed, etc.)

Cast Iron

Cast Iron

Cast Iron

Cast Iron

G ACP300 General- Purpose · When chips extend and clog

Strong Edged

General- purpose

G ACP100 · When heavy ank wear occurs in cast iron drilling · To limit wear in high-speed, low to medium feed conditions

H ACK300 · When interrupted drilling is performed due to slanted entry, etc. as with steel drilling · For insufcient cutting edge strength due to high-feed drilling

M K

*ACP100 is the first recommendation for steel with a hardness of 200HB or greater, or for high-speed drilling of steel.

J124

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