±0.025 10 Ref. GEPI-WT 2.9 Ref. Precision Ground Double-Ended 8˚

Threading Inserts with a 55° CW PNA

Partial Profile and a ChipformerREBW
for 11.5 mm Bore Diameter

NUT Dimensions Tough 1 Hard

55°

SCREW

DesignationCWRERETOL(1)PNABWTPN(2)TPX(3)TPIN(4)TPIX(5)
GEPI 2.5-WT0.052.500.050.03055.01.800.4702.54010.0054.00
  • Toolholder seat needs to be modified according to insert profile to ensure clearance
  • Pitch max 0.167xD, TPI min D/6.0

(1) Corner radius tolerance (+/-) (2) Thread pitch minimum (mm) (3) Thread pitch maximum (mm) (4) Threads per inch minimum (5) Threads per inch maximum

For tools, see pages: AVC-GEAIR/L (346) E-GEHIR / E-GHIR (340) GEAIR/L (340) GEHIMR/L (337) GEHIMR/L-SC (337) GEHIR/L (338)

  • GEHIR/L-SC (339)
  • GEHSR (373)
  • GEHSR/L-SL (372)

TIPI-WT

Double-Ended Internal Threading

Inserts with a 55° Partial

Profile and a Chipformer for

20 mm Min. Bore Diameter

NUT 55°

±0.025 5 8° 15.7 Ref. CW 55° RE

Dimensions Tough 1 Hard

SCREW

DesignationCWRERETOL(1)TPN(2)TPIX(3)TPIN(4)
TIPI 3.4WT-0.103.400.100.0300.95027.008.00
TIPI 5.4WT-0.205.400.200.0301.67015.005.00
  • Toolholder seat needs to be modified according to insert profile to ensure clearance
  • Pitch max 0.187xD, TPI min D/5.25 D=Diameter of thread (pitch max<=CW)

(1) Corner radius tolerance (+/-) (2) Thread pitch minimum (mm) (3) Threads per inch maximum (4) Threads per inch minimum

For tools, see pages: AVC-GAIR/L (347) GAIR/L (346) GHIR/L (W=1.9-6.4) (344) GHIR/L-SC (W=2-4.8) (345)

UMGR-A55 WF

Mini Indexable Inserts with

PNA 0.8

Whitworth Partial Profile

for Threading in 5.2 mm 0.1 and Larger Holes Right-hand shown NUT Dimensions 55°

SCREW

DesignationWFPNATPIX(1)TPIN(2)TPN(3)TPX(4)DMIN
UMGR 4.0-A552.7055.040.0024.000.5001.4005.20

(1) Threads per inch maximum (2) Threads per inch minimum (3) Thread pitch minimum (mm) (4) Thread pitch maximum (mm)

For tools, see pages: MGUHR (411)