McMaster-Carr

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	For Pin Diameter For Pin Diameter

1/8"

3/16"

	Letter Size Letter Size

	Container Type Container Type

Metal Case

Wood Case

	Number of Pieces Number of Pieces

	Spiral Direction Spiral Direction

Right Hand

	Cut Direction Cut Direction

Right Hand

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308 Products

About Reamers

Cobalt Steel Round-Shank Reamers

Choose these cobalt steel reamers for good performance on hard-to-machine materials.

Oversized Cobalt Steel
Round-Shank Reamers

These reamers have a looser fit than reamers with standard diameters.

Undersized Cobalt Steel
Round-Shank Reamers

Choose these reamers to create a tighter fit than standard reamer diameters.

Wire Gauge Cobalt Steel
Round-Shank Reamers

Available in wire gauge sizes, these reamers perform well on hard-to-machine materials.

Metric Size Cobalt Steel
Round-Shank Reamers

Offering good performance on hard-to-machine materials, these cobalt steel reamers come in metric sizes.

Letter Size Cobalt Steel
Round-Shank Reamers

These letter size cobalt steel reamers offer good performance on hard-to-machine materials.

Cobalt Steel Reamers for Dowel Pins

Better abrasion and heat resistance than high-speed steel for up to 25% faster cutting.

Undersized/Oversized Cobalt Steel
Standard-Length Reamer Sets

More heat and abrasion resistant than high-speed steel, cobalt steel can run up to 25% faster and have a longer tool life.

Cobalt Steel Reamer
Sets for Dowel Pins

With better heat and abrasion resistance than high-speed steel, cobalt steel can run up to 25% faster and has a longer tool life.

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About Reamers

Reaming

Cobalt Steel Round-Shank Reamers

Oversized Cobalt SteelRound-Shank Reamers

Undersized Cobalt SteelRound-Shank Reamers

Wire Gauge Cobalt SteelRound-Shank Reamers

Metric Size Cobalt SteelRound-Shank Reamers

Letter Size Cobalt SteelRound-Shank Reamers