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Independent R390-Compatible Replacement Inserts

R390 Carbide Shoulder Milling Inserts

Compare R390-11T308M-PM, R390-170408/170420M-PM and R390-180608/180612M-PM by Sandvik-format dimensions, corner radius and cutter-seat size. Match the size-11 insert to the listed R390 shank cutters and face mills.

View Insert Dimensions View R390-11 Cutters Request Pricing

Independent replacement notice: These products are independently manufactured third-party replacement inserts made to match the dimensional format of the corresponding Sandvik CoroMill 390 designations. They are not manufactured, authorized or endorsed by Sandvik.

R390 carbide shoulder milling insert replacement models

R390 replacement insert range

R390 insert dimensional drawing for replacement compatibility

R390 insert dimension drawing

Insert ModelsFive PM-geometry replacement designations

Seat SizesR390 size 11, 17 and 18

Corner Radii0.8, 1.2 and 2.0 mm

Maximum Depth10 mm for size 11; 16 mm for sizes 17 and 18

R390-11 Cutter RangeØ16–40 shank cutters and Ø40–80 face mills

Application90° shoulder milling, pocketing and ramping

Browse by Complete Designation

R390 Insert Models

The compact product spelling and the spaced Sandvik-format designation refer to the same dimensional family. Retain the complete size and radius code when ordering.

R390-11T308M-PM

Size 11 / RE 0.8

10 mm effective edge and maximum cutting-depth reference. Matches the attached size-11 cutter range.

View size 11

R390-170408M-PM

Size 17 / RE 0.8

15.7 mm effective edge with a 0.8 mm corner radius.

R390-170420M-PM

Size 17 / RE 2.0

The larger 2.0 mm radius adds more material behind the cutting corner.

R390-180608M-PM

Size 18 / RE 0.8

11 mm width, 6.33 mm thickness and 16 mm depth reference.

R390-180612M-PM

Size 18 / RE 1.2

Uses the size-18 dimensional platform with a 1.2 mm corner radius.

R390 Insert Identification

Sandvik-Format Dimensions for Compatible Replacement

The listed inserts are produced as independent replacements using the dimensional formats associated with the corresponding Sandvik CoroMill 390 model codes.

The size code identifies the cutter seat, while the radius digits distinguish the cutting corner. A shared R390 family name does not make size 11, 17 and 18 inserts interchangeable.

R390System FamilySquare-shoulder milling format

11/17/18Insert Seat SizeMust match the cutter pocket

08/12/20Corner Radius Code0.8, 1.2 or 2.0 mm

PMGeometry SuffixRetain in the complete designation

Sandvik-format dimensions are used for replacement matching. The replacement insert marking, selected carbide grade, coating and packaging are supplied independently.

R390 insert dimension drawing for size 11 17 and 18 replacement inserts

Dimensional Reference

R390 Insert Dimensions

Dimensions below follow the corresponding Sandvik CoroMill 390 model formats. Confirm the complete cutter seat, insert marking and physical pocket before replacing an existing insert.

Replacement Designation	Reference Format	Seat Size	LE (mm)	W1 (mm)	S (mm)	D1 (mm)	BS (mm)	RE (mm)	APMX (mm)	Edges	Cutter Matching
R390-11T308M-PM	R390-11 T3 08M-PM	11	10.0	6.8	3.59	2.80	1.20	0.80	10.0	2	R390-11 shank cutters and face mills listed below
R390-170408M-PM	R390-17 04 08M-PM	17	15.7	9.6	4.7625	4.10	1.50	0.80	16.0	2	Corresponding R390 size-17 cutter seat
R390-170420M-PM	R390-17 04 20M-PM	17	15.7	9.6	4.7625	4.10	1.50	2.00	16.0	2	Corresponding R390 size-17 cutter seat
R390-180608M-PM	R390-18 06 08M-PM	18	15.4	11.0	6.33	4.15	1.10	0.80	16.0	2	Corresponding R390 size-18 cutter seat
R390-180612M-PM	R390-18 06 12M-PM	18	15.4	11.0	6.33	4.15	1.10	1.20	16.0	2	Corresponding R390 size-18 cutter seat

LE is effective cutting-edge length; W1 is insert width; S is thickness; D1 is fixing-hole diameter; BS is wiper-edge length; RE is corner radius; APMX is the maximum cutting-depth reference.

Carbide Grade Direction

Grade Selection for R390 Replacement Inserts

The final grade offering is confirmed against the complete R390 size, workpiece material and order requirement. These grade directions can be used to prepare an enquiry.

D530

Steel and cast-iron direction where toughness and interrupted-cut reliability are important.

D570

General steel and stainless-steel direction, including stable and lighter finishing loads.

D580

Steel and cast-iron direction for selected stable machining and wear-resistance requirements.

D7320

General-purpose direction across steel, stainless steel and cast iron.

D9920S

Hardened and difficult-material direction when the complete insert geometry and cutting conditions are suitable.

Grade availability is not claimed as identical for every size. Include the complete insert designation and workpiece material in the quotation request.

R390-11 indexable shoulder milling shank cutter for R390-11T308M-PM inserts

R390-11 Shank Cutter Platform Ø16–40 mm cutter diameter, 2–6 teeth.

Confirmed Size-11 Cutter Range

Match R390-11T308M-PM to R390 Shank Cutters

The supplied shank-cutter range covers sixteen models. Match cutter diameter DC, shank diameter DM, working length L1, overall length L and tooth count.

Ø16–17 mm2-tooth cutters with 16 mm shanks and 100 or 160 mm lengths.

Ø20–21 mm2-tooth cutters with 20 mm shanks and 110 or 160 mm lengths.

Ø25–30 mm3- or 4-tooth cutters with 25 mm shanks.

Ø32–40 mm5- or 6-tooth cutters with 32 mm shanks.

The listed size-11 cutter platform uses R390-11T308M-PM inserts. Verify the current screw and pocket condition before replacing clamping parts.

View All Shank Models View Face Mills

Complete Shank-Cutter Table

R390-11 Shank Cutter Models

Cutter Model	DC / Cutter Ø (mm)	DM / Shank Ø (mm)	L1 / Working Length (mm)	L / Overall Length (mm)	Teeth	Insert
R390-11-16-C16-100-2T	16	16	25	100	2	R390-11T308M-PM
R390-11-16-C16-160-2T	16	16	35	160	2	R390-11T308M-PM
R390-11-17-C16-100-2T	17	16	25	100	2	R390-11T308M-PM
R390-11-17-C16-160-2T	17	16	25	160	2	R390-11T308M-PM
R390-11-20-C20-110-2T	20	20	30	110	2	R390-11T308M-PM
R390-11-20-C20-160-2T	20	20	45	160	2	R390-11T308M-PM
R390-11-21-C20-110-2T	21	20	30	110	2	R390-11T308M-PM
R390-11-21-C20-160-2T	21	20	30	160	2	R390-11T308M-PM
R390-11-25-C25-160-3T	25	25	40	160	3	R390-11T308M-PM
R390-11-25-C25-200-3T	25	25	50	200	3	R390-11T308M-PM
R390-11-26-C25-160-3T	26	25	35	160	3	R390-11T308M-PM
R390-11-26-C25-200-3T	26	25	35	200	3	R390-11T308M-PM
R390-11-30-C25-200-4T	30	25	35	200	4	R390-11T308M-PM
R390-11-32-C32-200-5T	32	32	65	200	5	R390-11T308M-PM
R390-11-35-C32-200-5T	35	32	35	200	5	R390-11T308M-PM
R390-11-40-C32-200-6T	40	32	40	200	6	R390-11T308M-PM

R390 Face Mill Compatibility

R390-11 Face Milling Cutter Models

The supplied face-mill range covers Ø40, Ø50, Ø63 and Ø80 mm cutter bodies with normal- and close-pitch tooth-count options.

Ø40 mm4- or 6-tooth bodies with a 16 mm bore.

Ø50 mm5- or 7-tooth bodies with a 22 mm bore.

Ø63 mm6- or 8-tooth bodies with a 22 mm bore.

Ø80 mm7- or 10-tooth bodies with a 27 mm bore.

The supplied face-mill data specifies a 90° cutter angle, M2.5 insert screws and R390-11T308M-PM inserts.

R390 face milling cutter body for R390-11T308M-PM inserts

R390 Face Milling Cutter Ø40–80 mm bodies with 4–10 teeth.

Cutter Model	D / Cutter Ø (mm)	d / Bore (mm)	H (mm)	W (mm)	P (mm)	Teeth	Insert
R390-D40Q16-4T	40	16	40	8.4	5.6	4	R390-11T308M-PM
R390-D40Q16-6T	40	16	40	8.4	5.6	6	R390-11T308M-PM
R390-D50Q22-5T	50	22	40	10.4	6.3	5	R390-11T308M-PM
R390-D50Q22-7T	50	22	40	10.4	6.3	7	R390-11T308M-PM
R390-D63Q22-6T	63	22	40	10.4	6.3	6	R390-11T308M-PM
R390-D63Q22-8T	63	22	40	10.4	6.3	8	R390-11T308M-PM
R390-D80Q27-7T	80	27	45	12.4	7.0	7	R390-11T308M-PM
R390-D80Q27-10T	80	27	45	12.4	7.0	10	R390-11T308M-PM

Milling Applications

R390 Shoulder Milling Applications

Actual depth, ramping angle and cutting data depend on the complete cutter, insert size, selected grade, machine rigidity and workpiece setup.

90° Shoulder Milling

For square shoulders, steps and side walls with a compatible R390 cutter body.

Shoulder milling tools

Face Milling

For flat-surface machining using the listed R390 size-11 face mills.

Face milling tools

Pocket Milling

For cavity roughing when cutter clearance, radial engagement and chip evacuation are controlled.

Linear Ramping

For cutter bodies and programs designed for controlled oblique entry.

Helical Interpolation

For compatible cutter models after confirming ramp angle and centre clearance.

Side and Edging Operations

For repeated side-wall and edge machining using the correct insert seat and radius.

Selection Checklist

How to Choose an R390 Replacement Insert

Confirm Independent ReplacementUse this page for third-party compatible inserts, not OEM Sandvik products.

Record the Complete Insert CodeRetain the R390 seat size, radius code and PM suffix.

Confirm Seat Size 11, 17 or 18The three cutter pockets are not interchangeable.

Check Every DimensionVerify LE, W1, S, D1, BS, RE and APMX.

Select the Corner RadiusChoose 0.8, 1.2 or 2.0 mm according to the complete model and workpiece corner.

Provide the Cutter ModelFor size 17 and 18 especially, include the full cutter code or a pocket photo.

State Material and QuantityInclude workpiece material, cutting conditions, required grade direction and quantity.

Request Pricing

Request R390 Insert Pricing and Compatibility Review

Provide the complete insert and cutter information so dimensional compatibility, radius, carbide grade and pocket fit can be checked.

Complete R390 insert designation and current insert photo R390 cutter-body model, diameter, shank or bore and tooth count Seat size 11, 17 or 18 and required corner radius Workpiece material, hardness and shoulder-milling operation Required quantity, packaging and current tool-life problem

Sandvik and CoroMill are trademarks of their respective owner. References are used only to identify dimensional compatibility and the intended replacement application. No affiliation, authorization or endorsement is implied.

R390 Insert

R390 Carbide Shoulder Milling Inserts