Lathe Boring Bits | McMaster-Carr

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936 Products

Lathe Tools

Long-Reach Round-Shank Boring Lathe Tools

The long steel shank on these tools can reach farther inside the workpiece than standard boring tools.

Small-Diameter Round-Shank Boring Lathe Tools

These are the smallest boring tools we offer.

Round-Shank Boring Lathe Tools

Use these tools to enlarge existing holes to precise diameters.

Square-Shank Boring Lathe Tools

Insert the square shank of these tools into the slot of a boring tool holder and use them to enlarge existing holes to precise diameters.

Carbide-Tipped Turning Lathe Tools

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

Diamond-Tipped Turning Lathe Tools

The diamond tip on these tools offers superior cutting performance on nonferrous and nonmetallic materials, such as aluminum, copper, fiberglass, and plastic.

Long-Reach Internal Profiling Lathe Tools

An extra-long shank provides additional reach.

Internal Profiling Lathe Tools

Contour the interior wall of a hollow workpiece.

Grind-Your-Own Lathe Tool Blanks

Grind these hardened steel blanks to the size and shape you need.

Small-Diameter Boring Lathe Tool Sets

These sets contain some of the smallest boring tools we offer.

Long-Reach Boring Lathe Tool Sets

The long steel shank on these tools can reach farther inside the workpiece than standard boring tools.

Boring Lathe Tool Sets

Use these tools to enlarge existing holes to precise diameters.

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.

Quick-Change Lathe Tools and Holders

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

Boring Lathe Tool Holders

Insert boring tools into a 45° or 90° slot at either end of the holder.

Indexable Lathe Tools

Boring Carbide Insert Holders

These holders conform to ANSI standards.

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.

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.

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.

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 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.

Turning Carbide Insert Holders

Secure carbide inserts inside these holders for stable turning.

Parts for Carbide Insert Holders

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

Carbide Inserts for Internal
Profiling Carbide Insert Holders

Combine a carbide insert with a compatible internal profiling holder to create a tool that can contour the interior wall of a hollow workpiece.

Internal Profiling Carbide Insert Holders

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

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 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.

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.

Blade-Style Cutoff and
Grooving Carbide Insert Holders