Sumitomo General Catalog 2025-2026

Goal Mill GFX / GFS / GRHN

■ General Features Goal Mill Series cutters have been developed

for high-efficiency machining and finishing of cast iron parts (such as engine cylinder blocks and transmission cases).

H

■ Features ● Special cutters for high-feed machining of cast iron ● Multi-teeth design (approx. 3 teeth per inch) ● Finishing cutters feature an easy-to-use function for edge runout fine adjustment ● Highly reliable cutter with tangential inserts for finishing ● Chipbreaker type inserts for low cutting force

■ Product Range Series Code GFX

GFS

GRHN

Applications Surface Roughness

Finishing Finishing / Shoulder Milling

Roughing < Ra12.5

< Ra3.2

< Ra3.2

Appearance

Work Material Applications

High-speed Finishing

Finishing to General Cutting

Interrupted Cutting

Applicable Cutters

BN7000

GFX GFS

ACK260

Finishing

Cast Iron

ACK280

Work Material Applications

Light Cutting

General Cutting

Heavy Interrupted Cutting Applicable Cutters

ACK100

For Roughing

ACK200

GRHN

Cast Iron

ACK300

■ Grade Characteristic Values

Classification Grade

Hardness Transverse Rupture Strength (GPa) Main Coating Components Coating Thickness (μm)

Features

· From finishing to general machining of cast iron and ductile cast iron. · Employs new super multi-layered PVD coating consisting of nanometre-thin layers of TiAlN and AlCrN. Combines with a tough, thermal-resistant substrate for long and stable tool life. · For heavy interrupted cutting and wet cutting of cast iron and ductile cast iron. · Employs new super multi-layered PVD coating consisting of nanometre- thin layers of TiAlN and AlCrN. · Coupled with an ultra-tough substrate for superior fracture resistance and thermal crack resistance during wet cutting.

Super ZX Coat

ACK260

92.6HRA

2.6

3

Cast Iron

Super ZX Coat

ACK280

91.7HRA

3.0

3

Cast Iron

H239

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