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Threading inserts and grades

Threads created by thread milling, thread turning, tapping or thread whirling must meet and exceed the rigorous standards and tolerances set by the oil and gas, automotive, medical and aerospace industries. Find the insert and/or grade here for achieving high quality thread profiles with excellent chip control and surface finish.

GC1125

GC1125 is the first choice grade for ISO P, M, K and N materials in CoroThread® 266. This PVD grade combines the superior wear resistance of a coated grade with the edge sharpness and toughness of an uncoated grade. Optimized for steel threading and for medium to high speeds.

Benefits and features

  • High wear resistance
  • Possibility for fewer passes


CoroThread® 266 with iLock™ Technology

Find your grade

The wide range of carbide threading grades from Sandvik Coromant offers high productivity for many materials and applications. Select the most suitable tool for the operation and use the table to find the grade and geometry that best matches the application requirements.


 
CoroThread® 266
T-Max U-Lock
CoroCut® MB
CoroTurn® XS
CoroCut® XS
T-Max Twin-Lock
Internal
≥Ø 20
(≥Ø ¾")
Internal
Ø 12-20
(Ø ½-¾")
Internal
Ø 10-12
(Ø 3/8-¾")
Internal
Ø 4.2-10
(Ø 1/6-½")
External
-fine pitch
External & Internal
O&G threading
Steel P
A
GC1125

A
GC1020

GC1025

GC1025

GC1025

GC1125
Low carbon steel P 1.1
C
GC1125

F
GC1020

GC1025

GC1025

GC1105

GC1125
Stainless steel M
F
GC1135

F
GC1020

GC1025

GC1025

GC1105

GC4125
Cast iron K
A
GC1125

A
GC1020

GC1025

GC1025

GC1025

GC4125
Non-ferrous metals N
F
GC1125

F
GC1020

GC1025

GC1025

GC1105
-
HRSA and Titanium S
F
GC1135

F
GC1020

GC1025

GC1025

GC1105

GC4125
Hardened steel H
CB7015
--
CB7015
--

GC1125

PVD TiCrAlN grade for ISO P, M, K and N materials. Combines the superior wear resistance of a coated grade with the edge sharpness and toughness of an uncoated grade. Optimized for steel threading and for medium to high speeds.

CoroThread® 266: This tool guarantees excellent insert stability for ultimate accuracy, surface finish and product consistency.

T-Max Twin-Lock®: Designed for the oil and gas industry, this tool handles threading in tubing, casing and coupling production in high volumes.

See complete assortment

GC1135

PVD TiCrAlN grade for ISO M, S, P and K materials, optimized for stainless steel and heat resistant super alloys. The best choice for sharp profiles in all materials and for low to medium speeds.

CoroThread® 266: This tool guarantees excellent insert stability for ultimate accuracy, surface finish and product consistency.

See complete assortment

GC1105

PVD-coated carbide grade with high hot hardness and a good combination with the sharpest cutting edges. Specially suited for low carbon, stainless steel and heat resistant super alloys.

CoroCut® XS: Tangentially mounted system for precision machining in sliding head machines for external parting, grooving, turning, back turning and threading applications.

See complete assortment

GC1025

PVD-coated allround grade for toughness demanding operations. Recommended for small part machining at low cutting speed.

CoroTurn® XS: Precision ground tools for producing small, internal features with high quality in sliding head machines.

CoroCut® XS: Tangentially mounted system for threading applications in sliding head machines. p>

See complete assortment

CB7015

Brazed CBN-tippped inserts ideal for threading hardened components. Can be applied in the hardness range HRc 55–62 and for finishing at limited cutting depths and eliminates the need for grinding operations.

CoroThread® 266: This tool guarantees excellent insert stability for ultimate accuracy, surface finish and product consistency.

CoroTurn® XS: Solid carbide boring bars designed for exact cutting edge position, enabling high precision and repeatability.

See complete assortment

Complementary grades

GC1020

PVD TiN coated all-around threading grade. Works best at medium to low cutting speeds, with a thin coating ideal for sharp cutting edges.

View complete assortment

GC4125

PVD-coated allround grade for toughness demanding operations and used at low cutting speed.

View complete assortment

H13A

Uncoated grade for all materials. Good wear resistance, toughness and edge sharpness for the ISO N area and the first choice grade for titanium.

View complete assortment

Highlights

Get the most from your thread turning

Learn more about how to apply your thread turning tools to get the best tool life, productivity and chip control.

iLock™ technology

See how you to prevent cutting forces from affecting tool position with iLock™. This technology uses rails or serrations on the tool holder and corresponding slots on the insert to create a tight lock.

CoroPlus™ ToolGuide

Let CoroPlus™ ToolGuide help you get quick and accurate tool recommendations – on all your devices!

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