0.3125" Reamers | McMaster-Carr

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System of Measurement

Reamer Diameter

0.2500" to 0.2813"

0.2813" to 0.3125"

0.3125" to 0.3438"

0.3438" to 0.3750"

0.3750" to 0.4063"

0.4063" to 0.4375"

0.4219" to 0.4531"

0.4219" to 0.4688"

0.4375" to 0.4688"

0.4375" to 0.5000"

0.4688" to 0.5313"

0.5000" to 0.5625"

0.5313" to 0.5938"

0.5625" to 0.6250"

0.5938" to 0.6563"

0.6250" to 0.6875"

0.6563" to 0.7188"

0.6875" to 0.7500"

0.7188" to 0.7813"

0.7500" to 0.8125"

0.7813" to 0.8438"

0.8125" to 0.8750"

0.8438" to 0.9375"

0.8750" to 1.0000"

0.8750" to 1.1250"

0.9375" to 1.0625"

1.0000" to 1.1250"

1.0625" to 1.1875"

1.1250" to 1.2500"

1.1875" to 1.3438"

1.2500" to 1.4375"

1.3438" to 1.5313"

1.4375" to 1.6250"

1.5313" to 1.7813"

1.6250" to 1.8750"

1.7813" to 2.0938"

1.8750" to 2.1875"

2.0938" to 2.4688"

2.1875" to 2.5625"

2.5625" to 3.0000"

Flute Type

For Use On

Stainless Steel

Reamer Fractional Size

Shank Type

Number of Flutes

Material

Carbide-Tipped Tool Steel

Overall Length

Reamer Type

For Dowel-Pin Holes

For Hole Alignment

Spiral Direction

Flute Length

Sold As

Reamer Operation

Number of Pieces

Shank Diameter

Export Control Classification Number (ECCN)

Length

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Container Type

For Dowel Pin Diameter

Finish

Titanium Nitride (TiN) Coated

Length Class

Performance

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27 Products

Reamers

Reamers

Finish most holes to precise inch, metric, wire gauge, or letter sizes

Reamer Sets

Finish holes of various diameters to precise inch, metric, wire gauge, or letter sizes

Reamers for Hole Alignment

Reamers for Hole Alignment

Enlarge holes to correct misalignment and overlap

Reamers for Dowel-Pin Holes

Reamers for Dowel-Pin Holes

Undersized with a slight taper so pins fit snugly when installed

Other Products

Reamer Drill Bits

Reamer Drill Bits

Drill and finish holes in one pass

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)