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Milling / SEKT

SEKT Square Milling Inserts

Find the right SEKT by complete model code, dimensions and catalog grade. Search the table below or send your current code for a match.

Typical use

square-insert milling with the correct cutter pocket and clamping system

Tool form

Square Insert

Catalog models
1
Dimensions
L · IC · S · d
Catalog grades
2 options

Model Reference

Catalog Models & Dimensions

Search by complete designation, compare dimensions and select a model to include it in your inquiry.

SEKT geometry drawing
Dimension key for this insert family

How to choose

1 · Size: match the complete model code and the listed dimensions, including corner radius where shown.

2 · Grade: compare SP1252A · SP1202A. R means catalog recommended; O means catalog order option.

3 · Fit: include your workpiece material and holder or cutter code when requesting a quote.

Find your model1 listed designations · select one row to ask about that model

Swipe or scroll horizontally to view every column.

SelectFull modelL (mm)IC (mm)S (mm)d (mm)Catalog grade mark
SEKT1204AFTN12.712.74.765.5SP1252A (O) / SP1202A (O)

Select a model above. You can also use the general quote button at the top of this page.

Need another size? Search all catalog models →

Download the 2026 Model Catalog (PDF)

Pocket Compatibility

Insert, Pocket & Tool Matching

Confirm the insert size, seat, clamping method and complete holder, cutter or drill-body designation before ordering a replacement.

Swipe or scroll horizontally to view every column.

Matching itemWhat to confirm
Square pocketConfirm a cutter body designed for the listed SEKT1204AFTN seat.
Clamping screwCheck screw and seating face against the actual cutter body.
Cutter setupProvide diameter, pocket count and arbor or shank interface.

Grade and Geometry

Workpiece, Geometry & Grade Selection

Operation, workpiece group, cutting continuity, coolant, machine stability and finish target determine the quoted geometry, grade and coating.

Swipe or scroll horizontally to view every column.

Selection inputQuotation requirement
Operationsquare-insert milling with the correct cutter pocket and clamping system
Tool interfaceMatch the complete holder or cutter designation and insert seat.
WorkpieceIdentify alloy, hardness condition, interruption and required finish.
QuotationConfirm geometry, grade, coating, quantity and destination.

Application Inputs

Select by Workpiece and Cut

Tell us the workpiece group and operation stage. We then check the available grade, edge, coating and machine setup for the quoted tool.

Workpiece groups

  • PSteel
  • MStainless steel
  • KCast iron
  • NNon-ferrous / aluminum
  • HHardened materials

Machining stage

  • FinishingSurface finish and dimensional control priority
  • MediumBalanced general machining
  • RoughingMaterial removal and edge strength priority

Tooling Package

Match the Cutting Tool to the Holder

SEKT insert + matching square-insert cutter body

Quote as one set

Insert or cutting tool, holder/body, and spare screw, clamp or wrench only when itemized in the quotation.

Fit check

Verify full designations, seat or shank, hand, screw and machine interface before ordering.

Ordering Support

Frequently Asked Questions

What should I include in an inquiry?

Send the full SEKT1204AFTN designation, holder or cutter code, material, quantity and drawing where available.

Does the photograph confirm the supplied variant?

No. Confirm the complete designation, grade, coating and tool interface in the quotation.

Can I request a sample?

Request a sample for the intended specification. Availability, sample terms and delivery timing are confirmed in the quotation.

square-insert milling with the correct cutter pocket and clamping system application illustration

Specification-Led Quotation

Discuss Your Application

Send your model, material, operation and quantity.

We will review the tool interface and quotation variables before confirming an offer.

Get a Quick Quote

Free grade cross-reference within 12 hours. Sample quantity, availability and freight are confirmed before dispatch.

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