Threading Inserts | McMaster-Carr

	Cut Type Cut Type

	Internal Threading
	External Threading
	External Grooving
	Internal Grooving
	Along-the- Length Turning
	Facing
	Chamfering
	Cutoff
	External Profiling
	Boring
	Internal Profiling

	For Use On For Use On

	Cut Direction Cut Direction


Right Hand	Left Hand

Neutral

	Thread Type Thread Type

	Threads Per Inch Threads Per Inch

	External Threads Per Inch External Threads Per Inch

6-20

8-36

11 1/2

	Material Material

	Insert Code Insert Code

	Thread Direction Thread Direction

Right Hand

Left Hand

	Thickness Thickness

1/8"

0.15"

0.195"

	Tip Radius Tip Radius

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Shank Width Shank Width

	For External Holder Code For External Holder Code

	Shank Height Shank Height

	Overall Height Overall Height

	Shank Type Shank Type


Round	Square

Rectangular

	Internal Threads Per Inch Internal Threads Per Inch

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Material Grade Material Grade

AC3

Micrograin

AC50

	For Internal Holder Code For Internal Holder Code

	For Insert Shape For Insert Shape


Diamond	Triangle

Square	Trigon

Round

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548 Products

Indexable Lathe Tools

High-Performance Threading Carbide Inserts

Install these inserts into a compatible holder to cut external or internal threads on a workpiece.

High-Performance Carbide Insert Holders
for External Threading and Grooving

Pair these holders with a threading insert or a grooving insert to make cuts on the outside of a workpiece.

High-Performance Carbide Insert Holders
for Internal Threading and Grooving

Pair these holders with a threading insert or a grooving insert to make cuts on the inside of a hollow workpiece.

High-Speed Steel Inserts for Indexable Threading Tools

Indexable Threading Tools

These tools come with one high-speed steel insert for use on steel and stainless steel and one high-speed steel insert for use on softer materials, such as aluminum and brass. When one point of an insert dulls, rotate it to use a sharp point.

Economy Indexable Threading Tools

A carbide insert comes installed on these tools.

Blade-Style Holders for Indexable
Cutoff and Grooving Carbide Inserts

Pair these holders with a tool block for right- and left-hand mounting in a lathe.

Shank-Style Holders for Indexable
Cutoff and Grooving Carbide Inserts

Fit these holders directly into a lathe tool post or appropriately sized holder without the need for a tool block.

Shank-Style Cutoff and Grooving Carbide Insert Holders

Fit these holders directly into a lathe tool post or appropriately sized holder without the need for a tool block.

Blade-Style Cutoff and Grooving Carbide Insert Holders

Pair these holders with a tool block for right- and left-hand mounting in a lathe.

Turning Carbide Insert Holders

Secure carbide inserts inside these holders for stable turning.

Economy Indexable Turning Tool Sets

These sets have five indexable turning tools with carbide inserts and a wood storage stand. When one edge of a tool's insert dulls, rotate it to use a sharp edge.

Boring Carbide Insert Holders

These holders conform to ANSI standards.

Boring Carbide Insert Holders with Coolant Hole

Deliver coolant through the holder to keep workpieces cool while boring tough materials, such as steel, stainless steel, and nickel-based alloys.

Internal Profiling Carbide Insert Holders

Contour the interior wall of a hollow workpiece when you pair a holder with a compatible insert.

Lathe Tools

Solid Carbide Internal Threading Lathe Tools

Solid carbide provides more rigidity than carbide-tipped tools.

Carbide-Tipped Internal Threading Lathe Tools

A carbide tip brazed onto a ground steel shank makes these tools less brittle than solid carbide tools.

Carbide-Tipped External Threading Lathe Tools

The carbide tip brazed onto the ground steel shanks of these tools is more wear resistant than high-speed steel.

Diamond-Tipped External Threading Lathe Tools

When cutting threads in nonferrous and nonmetallic materials, such as aluminum, copper, fiberglass, and plastic, diamond tips provide superior cutting performance.

High-Speed Steel External Threading Lathe Tools

Cut threads in plastic and most metal with these high-speed steel tools.

Quick-Change Lathe Tools and Holders

Reduce tooling setup time—install the holder once and alternate between applications by switching out the bit.

High-Speed Steel Turning Lathe Tool Sets

Machine plastic and most metal with these high-speed steel tools.

Carbide-Tipped Turning Lathe Tool Sets

Constructed of a carbide tip brazed onto a ground steel shank, these tools are more wear resistant than high-speed steel tools.

Indexable Lathe Tools

High-Performance Threading Carbide Inserts

High-Performance Carbide Insert Holdersfor External Threading and Grooving

High-Performance Carbide Insert Holdersfor Internal Threading and Grooving

High-Speed Steel Inserts for Indexable Threading Tools

Indexable Threading Tools

Economy Indexable Threading Tools

Blade-Style Holders for IndexableCutoff and Grooving Carbide Inserts

Shank-Style Holders for IndexableCutoff and Grooving Carbide Inserts

Shank-Style Cutoff and Grooving Carbide Insert Holders

Blade-Style Cutoff and Grooving Carbide Insert Holders

Turning Carbide Insert Holders

Economy Indexable Turning Tool Sets

Boring Carbide Insert Holders

Boring Carbide Insert Holders with Coolant Hole

Internal Profiling Carbide Insert Holders

Lathe Tools

Solid Carbide Internal Threading Lathe Tools

Carbide-Tipped Internal Threading Lathe Tools

Carbide-Tipped External Threading Lathe Tools

Diamond-Tipped External Threading Lathe Tools

High-Speed Steel External Threading Lathe Tools

Quick-Change Lathe Tools and Holders

High-Speed Steel Turning Lathe Tool Sets

Carbide-Tipped Turning Lathe Tool Sets

High-Performance Carbide Insert Holders
for External Threading and Grooving

High-Performance Carbide Insert Holders
for Internal Threading and Grooving

Blade-Style Holders for Indexable
Cutoff and Grooving Carbide Inserts

Shank-Style Holders for Indexable
Cutoff and Grooving Carbide Inserts