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445U31 Carbide Chucking Reamers with Straight Shank

$115.48

Bulk orders will be discounted, please contact us.

These carbide chucking reamers come in standard sizes expressed in fractional inches. Fractional inch is the most common trade size used for chucking reamers. Straight-flute reamers push chips forward into a hole as they enlarge it to an exact size for a precise fit when installing fasteners or other parts. They are the most commonly used style of reamer. These chucking reamers are made from carbide steel and have a bright finish that is unaffected when their cutting edges are resharpened. The reamers' straight shank mounts to the chuck of a drill press or similar machining tool.

Product Number: 445U31

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  • Description
Mfr Model C50203
Flute Type Straight
Decimal Equivalent 0.3125
Flute Length 1-1/8 in
Overall Length 3-1/4 in
Number of Flutes 6
Measurement System Fractional Inch
Reamer Application Through Hole
Size Decimal 5/16 in - 0.3125
UNSPSC 23171610
Country of Origin USA (subject to change)
Spiral Direction Neutral
Cutting Dia Tolerance +0.0001 in /+0.0004 in
Primary Material Application All Materials
Secondary Material Application Steel
Primary Material Application ISO Code K; M; N1; N3; N4; P
Secondary Material Application ISO Code S
Reamer Size 5/16 in
Chamfer Angle 45 °
Coolant Fed Non-Coolant Through
Shank Type Straight
Shank Diameter 19/64 in
Material Carbide
Finish Bright (Uncoated)
Cutting Direction Right Hand
Material Applications Aluminum; Brass; Bronze; Cast Iron; Copper; Magnesium; Stainless Steel; Steel
List Number 257

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