Metric Toroid Cutting Tools

Toroid Metric Cutting Tools & Inserts

Dapra Corporation offers a series of high-performance METRIC SERIES Toroid Cutters and Inserts in the most commonly used sizes and styles. Contact Dapra today for pricing on these metric sizes. Click here for our standard Toroid product line.

Metric Toroid End Mills

32mm shank dia. cutters and smaller are available in limited supply without Weldon Flats. Add WOF to the end of the part number when ordering.


Metric Toroid End Mill
Metric End Mills ("C" designates a thru-coolant tool)
OD
Dia.
Holder R
Effective Length
L
Overall Length
S
Shank Dia.
Flutes Insert CAD File
20mm TREM20-50-R5-2† 50mm 103mm 20mm 2 RDCH10 DXF
20mm TREM20-75-R5-2C-WOF† 75mm 128mm 20mm 2 RDCH10 DXF
25mm TREM25-65-R5-2C-WOF† 65mm 121mm 25mm 2 RDCH10 DXF
25mm TREM25-65-R5-3† 65mm 121mm 25mm 3 RDCH10 DXF
25mm TREM25-115-R5-3† 115mm 171mm 25mm 3 RDCH10 DXF
25mm TREM25-65-R6-2 65mm 121mm 25mm 2 RDCH12 DXF
25mm TREM25-115-R6-2 115mm 171mm 25mm 2 RDCH12 DXF
32mm TREM32-75-R6-2 75mm 133mm 32mm 2 RDCH12 DXF
32mm TREM32-130-R6-2-WOF 130mm 184mm 32mm 2 RDCH12 DXF

† Does not come with top clamps.


Metric Toroid Shell Mills

Metric Toroid Shell Mills
Metric Shell Mills
OD
Dia.
Holder R
Effective Length
B
Arbor Dia.
H
Counter Bore Dia.
Flutes Mounting Screw Insert CAD File
50mm TRSM50-22-R6-4 38mm 22mm 10.4mm 4 M10 RDCH12 DXF
63mm TRSM63-27-R6-5 50mm 27mm 12.4mm 5 M12 RDCH12 DXF

Metric Screw-On Modular Heads & Modular Extensions

Dapra's Line of Screw-On Heads Fits Industry Standard Cutting Systems

Metric Screw-On Tool Head
  • Compatible with ISO standard modular cutting systems
  • Greater effective reach than solid end mills
  • Close-tolerance mounting minimizes runout
  • Wrench flats accept adjustable wrenches – no special wrenches needed
Metric Toroid Screw-On Heads
Dia. Holder M E IC Flutes Insert CAD File
20mm TREM20-MOD-R5-2C† M10 38mm 10mm 2 RDCH10 DXF
25mm TREM25-MOD-R5-2C† M12 38mm 10mm 2 RDCH10 DXF

† Does not come with top clamps.


Dapra's Modular Extensions Provide Even More Cutting Options

Toroid Modular Extension
  • Made of high-density tungsten, providing extra resistance to vibration and deflection
  • Machined on both ends; can be cut in half and used with two different modular heads
  • Shank diameters either match or are undersize compared to cutting diameters
Heavy Metal Metric Modular Extensions
Modular Head Dia. Part No. OAL M
Mounting Thread
S
Shank Dia.
20mm ME-0750-18MM-900 230mm M10 18mm
25mm ME-1000-25MM-1100 280mm M12 25mm

Metric Toroid Cutter Inserts, CNC-Pressed

T-Land Cutting Edge "T" inserts have a reinforced cutting edge for steels, irons and hard milling.
Dished Cutting Edge "D" inserts have a high-positive cutting edge for stainless steels, high-temperature alloys and gummy materials.
Metric Toroid Inserts
Metric Toroid Insert
Metric Toroid Inserts
Insert Insert Diameter Uncoated Coated
Pressed to Size DMK30
DMP25
DMK15
DMK30-HP
DMP25-HP
DMK15-HP
DMK30-TCI
DMP25-TCI
DMK15-TCI
DMK30-GLH
DMP25-GLH
DMK15-GLH
RDCH-10-T 10mm
RDCH-10-D 10mm
RDCH-12-T 12mm
RDCH-12-D 12mm

Toroid Insert Grade Selection
Shock & Wear Resistance Uncoated (Base Grade) with Coating Description Specifications
TOUGHEST
Shock Resistance
DMK30 Moderate wear resistance/high shock resistance. Recommended for interrupted or unstable steel, most stainless steel, hightemperature alloys and cast iron applications. ANSI C1-C2, ISO K25-K40, M25-M35
DMK30-HP High-performance medium-temperature grade. Optimum performance and wear resistance in most soft steels, soft stainless steels and cast irons.
DMK30-TCI High-performance medium- to high-temperature grade. Outstanding shock and wear resistance in steels, irons and stainless steels. Best suited for materials < 44 Rc.
DMK30-GLH Premium high-temperature coating. Best resistance to heat for high-shock applications. Excellent for tough stainless steels, high-temperature alloys and many tool steels.
MEDIUM
Shock and Wear
DMK25 Micro-grain carbide providing higher wear resistance and good shock resistance for applications in tough stainless steels, high-temperature alloys, irons and many tool steels. ANSI C2-C3, ISO K15-K30, M15-M30
  DMK25-HP High-performance medium-temperature grade. Optimum performance and wear resistance in most soft steels, soft stainless steels and cast irons.
  DMK25-GLH Premium high-temperature coating. Outstanding performance and wear resistance in high-heat applications involving tough stainless steels, hightemperature alloys and many tool steels.
MEDIUM
Shock and Wear
DMP25 High wear resistance/moderate shock resistance. Recommended for most steel and many ductile iron applications. ANSI C5-C6, ISO P25-P40
DMP25-HP High-performance medium-temperature grade. Optimum performance and wear resistance in most soft steels and cast irons.
DMP25-TCI High-performance medium- to high-temperature grade. Outstanding wear resistance in steels and ductile. Best suited for materials < 44 Rc.
DMP25-GLH Premium high-temperature grade. Unbeatable performance and wear resistance in high-heat applications such as higher speed machining in steels (< 44 Rc) and ductile irons.
HARDEST
Wear Resistance
DMK15 Highest wear resistance with reduced shock absorption capabilities. Micro-grain carbide provides excellent edge strength. Suitable for all materials under stable conditions. Optimum cast iron substrate. ANSI C2-C3, ISO K15-K25, M15-M25
DMK15-HP High-performance medium-temperature grade. Optimum performance and wear resistance in most soft steels, soft stainless steels and cast irons.
DMK15-TCI High-performance medium- to high-temperature grade. Great for higher-speed gray iron applications and lighter cuts in steels <52 Rc or ductile iron.
DMK15-GLH Premium high-temperature grade. Unbeatable performance and wear resistance in high-heat applications such as harder steels, tough stainless steels and high-temperature alloys.

DMK30-GLH is a good first choice for most applications. Additional coatings available on request. Contact Dapra for details.

DMK25 substrate is available for RHINO-CARB D and N geometries only.

Metric Toroid Spare Parts & Tools

Metric Toroid Spare Parts and Tools
Metric Spare Parts & Tools
Part Number Insert Screw Clamp Screw Wrench Torque (nM) Anti-Seize Grease
R5 TRS-3 N/A T-8F 1.5 - 1.7 ASG-120
R6 TRS-4 TRS-4CL T-15T 3.5 - 4.0 ASG-120

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