
±0.025 10 Ref.
2.9 Ref.
GEPI-WT 8˚
Precision Ground 55° Partial Profile W 55°
Double-Ended Threading Inserts with a R M
Chipformer for 11.5 mm Bore Diameter
Dimensions Tough 1 Hard
Designation W R ±0.03 M TPI max P min IC08 IC908
GEPI 2.5-WT0.05 2.50 0.05 1.80 54 0.47 • • GROOVE-TURN
• Toolholder seat needs to be modified according to insert profile to ensure clearance • Pitch max 0.167xD, TPI min D/6.0
For tools, see pages: E-GEHIR / E-GHIR (289) • GEAIR/L (289) • GEHIMR/L (287) • GEHIMR/L-SC (287) • GEHIR/L (288) • GEHIR/L-SC (288) • GEHSR (311)
• GEHSR/L-SL (311)
Tmax-r
h1
GHIR/L (W=1.9-6.4) A
Internal Grooving and Turning Bars Dmin l1
dg7
f
W
l2
Right-hand shown
Designation W min W max d D min T max-r l 1 l 2 f h 1 A
GHIR/L 20-3 1.90 3.50 20.00 20.00 4.50 160.00 16.0 14.5 9.0 1.60 SR 76-1021 T-20/5
GHIR/L 20-20-3 2.00 3.50 20.00 20.00 4.50 200.00 40.0 14.5 9.0 1.60 SR 76-1021 T-20/5
GHIR/L 20-4 3.00 4.80 20.00 20.00 4.50 160.00 25.0 14.5 9.0 2.60 SR 76-1021 T-20/5
GHIR/L 20-20-4 3.00 4.80 20.00 20.00 4.50 200.00 40.0 14.5 9.0 2.60 SR 76-1021 T-20/5
GHIR/L 25-25-4 2.50 4.00 25.00 25.00 5.00 200.00 50.0 17.5 11.5 2.10 SR 76-1022 T-20/5
GHIR/L 32-4 2.50 4.00 32.00 38.00 5.00 250.00 - 21.3 14.5 2.10 SR 76-1021 T-20/5
GHIR/L 25-5 3.20 5.30 25.00 26.00 6.00 160.00 25.0 18.5 11.5 2.80 SR 76-1022 T-20/5
GHIR/L 25-25-6 4.00 6.40 25.00 25.00 5.00 200.00 50.0 17.5 11.5 3.60 SR 76-1022 T-20/5
GHIR/L 32-6 4.00 6.40 32.00 39.00 6.50 250.00 - 22.8 14.5 3.60 SR 76-1022 T-20/5
GHIR/L 40-6 4.00 6.40 40.00 49.00 8.00 300.00 - 28.3 18.0 3.60 SR 76-1022 T-20/5
• When using TIPI inserts, toolholder seat needs to be modified according to insert profile to ensure clearance. • For user guide, see pages 340-351
For inserts, see pages: GIFI (298) • GIFI-E (296) • GIFI-E (full radius) (296) • GIMIY (295) • GINI-E (297) • GIPI (297) • GIPI (full radius W