90° Square Shoulder Inserts / APKT-Style Inserts

Dapra's Square Shoulder Inserts are APKT-style inserts that are offered in pressed, lapped and molded versions for a combination of economy and performance, with a broad selection of insert radii for varying corner requirements.

CNC Pressed Inserts

APET & XPET CNC Pressed Inserts

The most economical, high-performance inserts available!

  • APET and XPET inserts are manufactured using CNC press technology, providing reliable accuracy and repeatability.
  • Feature a high positive pressed cutting geometry for aggressive material removal rates and low horsepower consumption.
  • Have a strong edge preparation for heavy chiploads.
  • Are available in a large variety of corner radii with a true tangential blend.
  • Provide excellent surface finishes due to computer-designed wiper geometry.
  • Are economical and offer high-performance cutting capabilities.
  • APET inserts feature a high-strength cutting edge and are ideal for high-performance milling of most harder steels and cast irons.
  • XPET inserts are ideal for high-performance milling of stainless steels and nonferrous materials such as copper alloys and aluminum. Also good for gummy, softer, free-machining steels.
CNC Pressed Insert

• Stocked standard

XPET & APET Insert Sizes and Available Grades
Insert l w r Uncoated Coated
Pressed to Size DMP35
DMP30
DMK25
DMK30†
DMP353
DMP303
DMK253
DMK303†
DMP35-HP
DMP30-HP
DMK25-HP
DMK30-HP†
DMP357
DMP307
DMK257
DMK307
DMP35-GLH
DMP30-GLH
DMK25-GLH
DMK30-GLH
APET inserts feature a high-strength cutting edge and are ideal for high-performance milling of most harder steels and cast irons.
APET100308 .380" .250" .031"
APET100316 .380" .250" .062"
APET160408 .625" .375" .031"
APET160412 .625" .375" .047"
APET160416 .625" .375" .062"
APET160431* .625" .375" .120"
XPET inserts are ideal for high-performance milling of stainless steels and nonferrous materials such as copper alloys and aluminum. Also good for gummy, softer, free-machining steels.
XPET100308 .380" .250" .031"
XPET100316 .380" .250" .062"
XPET160404 .625" .375" .015"
XPET160408 .625" .375" .031"
XPET160412 .625" .375" .047"
XPET160416 .625" .375" .062"
XPET160424 .625" .375" .094" DMP35 ONLY   •**   •**
XPET160431* .625" .375" .120"

New DMK30 substrate is available for XPET inserts only..


* This insert is designed for heavy roughing and has a corner radius that actually measures closer to .115" than .125" (.010" difference) due to distortion by the positive radial insert angle.

** Only available in DMP35 substrate (DMP35-HP and DMP35-GLH).

 

 

Lapped, Aluminum Cutting Inserts

XPET Lapped, Aluminum-Cutting Inserts

  • Ground and lapped rake face is ideally suited for machining aluminum and copper alloys, bronze, brass, etc. Built-up edge is virtually eliminated.
  • Positive rake angle is higher than standard inserts, providing highest shear possible.
  • Sharp cutting edge is configured specifically for cutting nonferrous materials, yielding the ultimate in low-torque material removal.
  • Variety of corner radii available with a true tangential blend.

PCD-tipped inserts provide the ultimate in wear resistance for high-volume aluminum or graphite milling. Available in 1/32" corner radius only.

Coated versions available upon request. Contact Dapra for details.

Lapped Insert
In stock
XPET Lapped, Aluminum-Cutting Inserts
Insert l w r Uncoated Coated
Al, Ti, SS DMK25 DMK253 DMK257 GLH
XPET100308-ALU .380" .250" .031"
XPET100316-ALU .380" .250" .062" o o o
XPET160404-ALU .625" .375" .015" o o
XPET160408-ALU .625" .375" .031"
XPET160412-ALU .625" .375" .047" o
XPET160416-ALU .625" .375" .062" o
XPET160431-ALU* .625" .375" .120" o o o

* This insert is designed for heavy roughing and has a corner radius that actually measures closer to .115" than .125" (.010" difference) due to distortion by the positive radial insert angle.


PCD-Tipped Inserts
Insert l w r PCD Length Uncoated
PCD-Tipped DMK25
XPET160408-PCD-225 .625" .375" .031" .225"

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