0.4375" 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

Reamer Type

For Hole Alignment

Flute Length

Material

Carbide-Tipped Tool Steel

Number of Flutes

Number of Pieces

Sold As

Overall Length

Container Type

Shank Diameter

Reamer Operation

Spiral Direction

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Length Class

Finish

Titanium Nitride (TiN) Coated

Performance

Number of Flats

Square Shank Size

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25 Products

Reamers

Reamer Sets

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

Reamers

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

Reamers for Hole Alignment

Reamers for Hole Alignment

Enlarge holes to correct misalignment and overlap

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.)