Indexable Boring Bars | McMaster-Carr

	Cut Type Cut Type


Boring	External Threading

Along-the- Length Turning	Chamfering

Facing	Internal Threading

	Shank Diameter Shank Diameter

	For Insert Shape For Insert Shape


Diamond	Triangle

	Cut Direction Cut Direction

	Right Hand
	Left Hand
	Neutral

	Overall Length Overall Length

	For Insert Code For Insert Code

	Minimum Hole Diameter Minimum Hole Diameter

	Shank Type Shank Type


Round	Square

	For Insert Inscribed Circle Diameter (IC) For Insert Inscribed Circle Diameter (IC)

	Insert Shape Insert Shape


Triangle	Diamond

	Material Material

Steel

Carbide

	For Insert Style For Insert Style

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Holder Code Holder Code

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

REACH Compliant

	Maximum Hole Depth Maximum Hole Depth

	For Use On For Use On

	Insert Holding Method Insert Holding Method

Torx Screw

Hex Screw

Clamp with Lock Pin Screw

	Thread Size Thread Size

	Torx Screw Reference Number Torx Screw Reference Number

	End Cutting Edge Angle End Cutting Edge Angle

	For Insert Thickness For Insert Thickness

168 Products

Indexable Lathe Tools

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.

Parts for Boring Carbide Insert
Holders with Coolant Hole

Replace Torx keys and screws for boring carbide insert holders with coolant hole.

Carbide Inserts for Boring Carbide
Insert Holders with Coolant Hole

Pair one of these inserts with a compatible boring carbide insert holder with coolant hole.

Economy Indexable Boring Carbide Insert Holder Sets

These sets have a variety of indexable boring insert holders with carbide inserts and a wood storage stand. When one edge of a tool's insert dulls, rotate it to use a sharp edge to enlarge existing holes to precise diameters.

Economy Indexable Boring Carbide Insert Holders

Use these tools to enlarge existing holes to precise diameters. They come with an insert installed. When one edge of the insert dulls, rotate it to use a sharp edge.

Parts for Carbide Insert Holders

Replace clamps, screws, seats, and slotted pins in carbide insert holders.

Screws for Carbide Insert Holders

When it's time to replace the screws in a carbide insert holder, use the reference number on your holder to find the right size.

Economy Indexable Turning Tools

These tools come with carbide inserts installed. When one edge of the insert dulls, rotate it to use a sharp edge.

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.

Tool Blocks for Blade-Style Cutoff
and Grooving Carbide Insert Holders

Mount blade-style holders to a lathe tool post or turret.

Parts for High-Performance Carbide Insert
Holders for Threading and Grooving

Replace worn or missing clamps and clamp screws in high-performance carbide insert holders for threading and grooving.

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.

Indexable Lathe Tools

Boring Carbide Insert Holders

Boring Carbide Insert Holders with Coolant Hole

Parts for Boring Carbide InsertHolders with Coolant Hole

Carbide Inserts for Boring CarbideInsert Holders with Coolant Hole

Economy Indexable Boring Carbide Insert Holder Sets

Economy Indexable Boring Carbide Insert Holders

Parts for Carbide Insert Holders

Screws for Carbide Insert Holders

Economy Indexable Turning Tools

Economy Indexable Turning Tool Sets

Tool Blocks for Blade-Style Cutoffand Grooving Carbide Insert Holders

Parts for High-Performance Carbide InsertHolders for Threading and Grooving

Indexable Threading Tools

Economy Indexable Threading Tools

Parts for Boring Carbide Insert
Holders with Coolant Hole

Carbide Inserts for Boring Carbide
Insert Holders with Coolant Hole

Tool Blocks for Blade-Style Cutoff
and Grooving Carbide Insert Holders

Parts for High-Performance Carbide Insert
Holders for Threading and Grooving