A PI Round (fo r En e rg y)

Applicable toolholder

External External

SSMTVOR-**M..HS**-MTHOR...
60°
STVOR-**M...
ThreadICIC
form
TNMATNMC
60º
55ºOn edge

Taper External insert Internal insert

MPitchGradeGrade
TPI
(Reference)mm/mmTPFCoated DesignationICSCoated DesignationICS
(Metric)AH725AH725
UN(2.54)101/160.75TNMA4310RDEXT12.74.8TNMA4310RDINT12.74.8
(3.175)81/160.75TNMA438RDEXT12.74.8TNMA438RDINT12.74.8
(Unified)
(2.54)101/160.75TNMC4310RDEXT12.74.8TNMC4310RDINT12.74.8
W(3.175)81/160.7512.74.812.74.8
TNMC438RDEXTTNMC438RDINT
(Whitworth)
BSPT
Applicable toolholder
(R, PT)SBW
ExternalInternal
NPT60°CLVOR-**M...SI-CLHOR...
External

NPTF S BW

1°47’ Internal TR (Metric, 30º Trapezoidal)

Round Full-profile insert (chaser)

(DIN405) External insert Internal insert

TaperGradeGrade
UNJPitch
TPICoatedCoated
(Reference)DesignationBW INSL SBreakerpieceDesignationBW INSL SBreakerpiece
mm/
TPFAH725AH725
MJmm
(3.175)81/160.75CR-8R-3E16155.2 CR-8R / 10R-CR-8R-3I16155.2 CR-8R / 10R-
3E / 4E-CB3I / 4I-CB
ACME(2.54)101/160.75CR-10R-3E16 15.9 5.2 CR-8R / 10R-CR-10R-3I16 15.9 5.2 CR-8R / 10R-

3E / 4E-CB 3I / 4I-CB (29º Trapezoidal) STUB ACME

(29º Trapezoidal) S

API 60°

Round

API

Buttress

1°47’ IC

API Rotary Shoulder Connection Full-profile insert (chaser) External insert

PitchTaperGrade
TPI
(Reference)DesignationCoatedICS

mm/mm TPF AH725

(2.54)101/160.75CNGA-10R-3E19.056.4
(3.175)81/160.75CNGA-8R-3E19.056.4

Note: Toolholders need to be customized for these types of inserts.