EN-EF — Extreme Finishing

Name: Galtona
Address: Felspar Road, Amington Industrial Estate, Tamworth, B77 4DP, GB
Telephone: +44-121-769-1787

Sharp 9° ground edge for stainless, cast iron, non-ferrous, and exotic materials, grade GTP2120.

Example: CCGT 09T301EN-EF. Depth of cut 0.05–1.35 mm, feed 0.02–0.10 mm. Rated for consistent cutting depth only — not for inconsistent or interrupted cuts.

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Designation	Chipbreaker	Material No.	Available
CCGT 060200EN-EF GTP2120	…EN-EF	MM11204029	●
CCGT 060201EN-EF GTP2120	…EN-EF	MM11203024	●
CCGT 09T300EN-EF GTP2120	…EN-EF	MM11204030	●
CCGT 09T301EN-EF GTP2120	…EN-EF	MM11203027	●
DCGT 070200EN-EF GTP2120	…EN-EF	MM11204031	●
DCGT 070201EN-EF GTP2120	…EN-EF	MM11203028	●
DCGT 11T300EN-EF GTP2120	…EN-EF	MM11204035	●
DCGT 11T301EN-EF GTP2120	…EN-EF	MM11203030	●
VCGT 110300EN-EF GTP2120	…EN-EF	MM11204036	●
VCGT 110301EN-EF GTP2120	…EN-EF	MM11203033	●
VCGT 160400EN-EF GTP2120	…EN-EF	MM11204037	●
VCGT 160401EN-EF GTP2120	…EN-EF	MM11203034	●

Cutting data — general cutting parameters by workpiece material

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Group	Type / alloy	Hardness HB	GTP2120 vc [m/min]
M	Ferritic stainless	200	150–200
M	Austenitic stainless	180	120–200
M	Duplex stainless	230–260	90–160
M	Martensitic stainless	330	60–80
K	Grey cast iron	180	120–160
K	Spheroidal cast iron	160	120–160
K	Malleable/tempered iron	130	140–220
N	Non-ferrous metals	90–130	100–600
S	Fe base (exotic)	200	20–50
S	Nickel or cobalt base	250–280	15–50
S	Titanium (Rm 440*)	–	80–140