Top Cut 4™ Catalogue Numbering System

The guide below provides an example of how to select the

Top Cut 4 tool body and accompanying inserts for a stable steel drilling application.

Metric Body

TCF250R3SL32MD
Tool FamilyDiameterRight-HandLengthShank StyleShank SizeMetricInsert Size
Metric =CuttingDiameterSL =
Top Cut 4
3 digitsRatioSide Lock

(e.g. 250 = Adaptor L/D = 3 x D 25mm) Inch =

4 digits (e.g. 2500 = 2.5")

Periphery Insert

TCF080308DPV34WU25CH
Tool FamilySizeInsertInsertInsert SizeInsertInsertGrade
ThicknessCornerPositioningGeometry

Top Cut 4 In-Circle D1 Radius C = Central

P = Periphery

Insert Geometry – V34 for steel or cast iron or V36 for stainless steel and long chipping steel.

Insert Guide for Grades

WU25CH
WU40PH
WPK10CH
WIDIA™MaterialToughnessCoatingApplication
RangeRange
P = PVDH =
Choose high

U = Universal C = CVD Holemaking

numbers for P = Steel toughness K = Cast Iron in stable conditions,

low numbers for high wear resistance at continuous cuts.