KNUX — Negative Turning Insert

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

Turning steel neg medium "P25", N11 chipbreaker.

Example designation: KNUX 160405ER-N11, 12° clearance angle.

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Designation	Chipbreaker	Material No.	Available
KNUX 160405-EL-N11 GTCP125	…-N11	MM11750418	●
KNUX 160405-ER-N11 GTCP125	…-N11	MM11750419	●
KNUX 160410-EL-N11 GTCP125	…-N11	MM12030582	●
KNUX 160410-EL-N11 GTCP125	…-N11	MM12030589	●
KNUX 160405-ER-N11 LP2002	…-N11	MM11246906	●
KNUX 160405-EL-N11 LP2002	…-N11	MM11246899	●
KNUX 160405-ER-N11 LP4002	…-N11	MM11247268	●
KNUX 160405-EL-N11 LP4002	…-N11	MM11247265	●

Cutting data — general cutting parameters by workpiece material

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Group	Type / alloy	Hardness HB	GTCP115 vc [m/min]	GTCP125 vc [m/min]	LP2002 vc [m/min]	LP4002 vc [m/min]
P	Non-alloyed steel 0–0.45% C	150–250	220–400	170–240	170–200	170–190
P	Low-alloyed steel	250–300	200–320	100–190	90–160	90–150
P	High-alloyed steel	200	180–320	130–210	130–170	120–200
P	Corrosion-resistant steel	200	200–320	130–210	130–180	140–180
M	Ferritic stainless	200	220–320	140–210	140–180	140–200
M	Austenitic stainless	180	–	100–210	100–170	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	–	–

Recommended cutting depth: consistent for all grades; GTCP115 also suited to inconsistent cutting depth; none recommended for interrupted cuts.