A PI Buttress (fo r Energy ind u str y)

S S

10°

Thread 3°

form IC IC

TNMA TNMC 60º 55º On edge

Applicable toolholder

External External

MTVOR-**M.. HS**-MTHOR... STVOR-**M...

TaperExternal insertInternal insert
PitchTPIGradeGrade
(Reference)mm/mmTPFDesignationCoatedICSDesignationCoatedICS
AH725AH725
(5.08)51/121TNMA545B1EXT-FC15.8756.4TNMA545B1INT-FC15.8756.4
(5.08)51/160.75TNMA545B75EXT-FC15.8756.4TNMA545B75INT-FC15.8756.4
(5.08)51/121TNMC545B1EXT-FC15.8756.4TNMC545B1INT-FC15.8756.4
(5.08)51/160.75TNMC545B75EXT-FC15.8756.4TNMC545B75INT-FC15.8756.4

(Unified)

(Whitworth)

BSPT

Applicable toolholder
ExternalInternal
CLVOR-M...SI-CLHOR...

NPTF

TR

(Metric, 30º Trapezoidal)

Round

(DIN405)

UNJ

MJ

ACME

(29º Trapezoidal)

STUB

ACME

(29º Trapezoidal)

API

Round

API

Buttress

API Rotary Shoulder Connection

External

10° S BW

3° Internal

Full-profile insert (chaser)

External insert Internal insert

TaperGradeGrade
Pitch
TPICoatedCoated
(Reference)DesignationBW INSLSBreakerpieceDesignationBW INSLSBreakerpiece
mm/
TPFAH725AH725
mm
CR-5B75 /

(5.08) 5 1/16 0.75 CR-5B75-4E 䖃 20.4 15.9 5.1 CR-5B75-3I 䖃 16 15.8 5.2 CR-8R / 10R-

5B1-4E-CB 3I / 4I-CB

S

10°

IC

Full-profile insert (chaser)

External insert

PitchTaperGrade
TPI
(Reference)DesignationCoatedICS
mm/mmTPFAH725
(5.08)51/160.75CNGA-5B75-3E19.05 6.4

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