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20F728 High-Speed Steel Chucking Reamers with Straight Shank

$44.63

Bulk orders will be discounted, please contact us.

These high-speed steel chucking reamers come in sizes that fall between standard trade sizes, and their sizes are expressed in decimal inches from 0.3765" to 0.8105". 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 high-speed 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: 20F728

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  • Description
Mfr Model 433-.4950
Flute Type Straight
Flute Length 2 in
Overall Length 8 in
Number of Flutes 6
Measurement System Decimal Inch
Reamer Application Through Hole
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 H; K; M; N; O; P; S
Secondary Material Application ISO Code P
Reamer Size Decimal Equivalent 0.495
Chamfer Angle 45 °
Coolant Fed Non-Coolant Through
Shank Type Straight
Shank Diameter 31/64 in
Material High Speed Steel
Finish Bright (Uncoated)
Cutting Direction Right Hand
Material Applications Alloy Steel; Aluminum; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Magnesium; Stainless Steel
List Number 4030
Reamer Diameter 1/2 in Oversized

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