Page 1520 - Master Catalog 2017, Inch

Indexable Drills
Top Cut 4 Catalog 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

TCF 250 R 3 SL 32 M D

Tool Family Diameter Right-Hand Length Shank Style Shank Size Metric Insert Size
Metric = Cutting Diameter
Top Cut 4 SL =
3 digits (e.g. Ratio Side Lock
250 = 25mm) Adapter
L/D = 3 x D
Inch =
4 digits (e.g.
2500 = 2.5")

Inch Body

TCF 1000 R 3 SSF 100 D

Tool Family Diameter Right-Hand Length Shank Style Shank Size Insert Size
Metric = Cutting Diameter
Top Cut 4 SSF =
3 digits (e.g. Ratio Straight
250 = 25mm) L/D = 3 x D Shank
Inch = Flange
4 digits (e.g.
2500 = 2.5")

Periphery Insert

TCF 08 03 08 D P V34 WU25CH

Tool Family Size Insert Insert Insert Size Insert Insert Grade
Thickness Corner Positioning Geometry
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
W U 25 C H

W U 40 P H

W PK 10 C H

WIDIA ™ Material Toughness Coating Application
Range Range
P = PVD H =
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.

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