TCH Chip Groove — SNMM

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

Medium turning, steel "P25", depth of cut 2.5–10.0 mm.

Example: SNMM 190616EN-TCH. Depth of cut 2.50–10.00 mm, feed 0.60–0.30 mm. Recommended for consistent cutting depth only.

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Designation	Chipbreaker	Material No.	Available
SNMM 190616EN-TCH GTCP125	…-TCH	MM11849212	●
SNMM 250924EN-TCH GTCP125	…-TCH	MM11849211	●

Cutting data — general cutting parameters by workpiece material

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Group	Type / alloy	Hardness HB	GTCP115 vc	GTCP125 vc	GTCP135 vc
P	Non-alloyed steel 0–0.45% C	150–250	220–400	170–240	170–190
P	Low-alloyed steel	250–300	200–320	100–190	90–150
P	High-alloyed steel	200	180–320	130–210	120–200
P	Corrosion-resistant steel	200	200–320	130–210	140–180
M	Ferritic stainless	200	220–320	140–210	140–200
M	Austenitic stainless	180	–	100–210	110–190
M	Duplex stainless	230–260	–	–	80–150
M	Martensitic stainless	330	–	70–100	55–75
K	Grey cast iron	180	140–370	130–210	–
K	Spheroidal cast iron	160	190–430	120–240	–
K	Malleable/tempered iron	130	180–520	150–250	–