APMT-HM / APGT-AK: 90° shoulder milling inserts for all materials

APMT-HM / APGT-AK

Insert for 90° square shoulder milling: APMT-HM in coated carbide, APGT-AK polished for aluminium.

ISO P

ISO M

ISO K

ISO N

ISO S

ISO H

90° square shoulder

Semi-finishing

★ IT6130 · IT5210 · IT5120 · IT5220 · IT5130

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INNOT grades

CVD, PVD and cermet for ISO P, M, K, S, H

Standard ISO designation

Compatible with the cutters you already use

Technical support

We help you choose geometry and coating

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For stock orders throughout Italy

Description

Specifications

Code	L	W1	S	D1	RE	APMX
APMT1135PDER-HM	11.3	6.25	3.5	2.8	0.8	9.5
APMT113516PDER-HM	11.3	6.25	3.5	2.8	1.6	9.5
APMT1605PDER-HM	17.25	9.25	5.22	4.4	0.8	14.5
APMT160520PDER-HM	17.25	9.25	5.22	4.4	2	14.5
APMT160530PDER-HM	17.25	9.25	5.22	4.4	3	14.5
APGT1135PDFR-AK	11.3	6.25	3.5	2.8	0.8	9.5
APGT1604PDFR-AK	17.25	9.25	4.76	4.4	0.8	14.5

Dimensions in mm. IC = inscribed circle, S = thickness, D1 = hole, BS = wiper flat, RE = corner radius, AN = clearance angle, APMX = maximum depth of cut.

Technical data

Operation	Milling – 90° square shoulder
Shape	Rectangular
ISO material	P (steels), M (stainless steels), K (cast irons), N (aluminium and non-ferrous metals), S (superalloys and titanium), H (hardened steels)
Features	APMT-HM for steels, stainless steels and cast irons; APGT-AK ground and polished (ITK10) for aluminium and light alloys.
Compatible cutters	Indexable cutters with APMT-HM seat: send us your cutter code and we will check compatibility.

Available INNOT grades

Grade	ISO	Coating	Composition	Application
IT6130 ★	P · K	CVD	TiN + MT-TiCN + Al₂O₃	Semi-finishing and roughing of steels and cast irons. High-strength composite coating that balances wear and toughness; post-coating treatment increases insert toughness.
IT5210 ★	P · H	PVD	AlTiN + TiSiN	Milling of hardened steels 50–65 HRC. Coating with high thermal stability and oxidation resistance: withstands the most severe cutting temperatures.
IT5120 ★	P · M · K	PVD	TiAlN + CrAlN + TiSiN	Universal grade for steels, stainless steels and cast irons, also ideal on materials of 35–50 HRC. Excellent wear resistance and toughness, high hot hardness.
IT5220 ★	P · M · K	PVD	AlTiN + TiSiN	Universal grade for steels, stainless steels and cast irons up to 40–50 HRC. Double-layer coating: strength, toughness and protection against edge chipping.
IT5130 ★	P · M	PVD	AlTiN	High-efficiency milling of steels and stainless steels below 30 HRC. Specially formulated substrate that reduces the risk of chipping, with a latest-generation nano coating.
IT5110	P · H	PVD	TiAlN + CrAlN + TiSiN	Milling of hardened steels 45–55 HRC. Nano-composite coating on an ultra-fine grain substrate: smooth surface, low friction, high nano-hardness and excellent oxidation resistance.
IT530	P · M	PVD	AlTiN / AlCrN	Specific for mild steel and stainless steel. Nano-multilayer coating and high-toughness substrate: higher speeds and feeds with lower risk of breakage.
IT7240	M · S	PVD	AlCrN	Milling of difficult materials: stainless steels, superalloys and titanium. High hot hardness, high toughness and resistance to fatigue fracture.
ITK10	N	Uncoated	Fine-grain carbide	First-choice grade for turning aluminium alloys. Uncoated carbide with a fine, uniform grain matrix: high transverse rupture strength and good wear resistance.

★ Recommended grade. Other grades are available on request.

Recommended cutting data

Printable cutting data tableAll the data on this page in an INNOT PDF to keep in the shop.Download PDF

Milling – cutting speed and feed per tooth

Material	Hardness HB	Grade	Vc (m/min)	fz (mm/tooth)
P Low-carbon / mild steel	≤ 180	IT5120 IT5130 IT530	280 (220–340) 180 (120–250) 180 (120–250)	0.2 (0.1–0.3)
P High-carbon / alloy steel	180–280	IT5110 IT5120 IT5220 IT5130	240 (180–300) 200 (140–260) 200 (140–260) 160 (100–220)	0.2 (0.1–0.3)
P Alloy tool steel	280–350	IT5110 IT5210 IT5120 IT5220	220 (140–280) 160 (100–220) 160 (100–220) 120 (80–180)	0.15 (0.1–0.25)
M Stainless steel	≤ 270	IT5120 IT5130 IT530	180 (100–260) 140 (80–200) 140 (80–200)	0.2 (0.1–0.3)
K Cast iron	180–250	IT6130 IT5210 IT5220	250 (150–320) 180 (150–250) 180 (150–250)	0.2 (0.1–0.3)
H Hardened steels	45–55 HRC / ≥ 55 HRC	IT5220 IT5210	150 (100–250) 120 (80–200)	0.2 (0.1–0.3)

Guide values: recommended (min–max range). Reduce by 20–30% with long overhangs, weak clamping or dry machining.