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20H085 High-Speed Steel Chucking Reamers with Straight Shank

$49.34

Bulk orders will be discounted, please contact us.

Left-hand spiral-flute high-speed steel chucking reamers push chips into the hole as they enter a workpiece. They are used for reaming through holes, and they typically leave a finer finish on the hole than right-hand spiral-flute chucking reamers and straight-flute chucking reamers. The reamers’ bright finish is unaffected when their cutting edges are resharpened. Reamers are used to enlarge a hole to an exact size for a precise fit when installing fasteners or other parts. These high-speed steel reamers have a straight shank that mounts to the chuck of a drill press or similar machining tool.

Product Number: 20H085

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  • Description
Mfr Model 435L-0.4844
Flute Type Spiral
Flute Length 2 in
Overall Length 8 in
Number of Flutes 6
Measurement System Fractional Inch
Reamer Application Through Hole
UNSPSC 23171610
Country of Origin USA (subject to change)
Spiral Direction Left Hand
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 0.4844
Chamfer Angle 45 °
Coolant Fed Non-Coolant Through
Shank Type Straight
Shank Diameter 27/64 in
Material High Speed Steel
Finish Bright (Uncoated)
Cutting Direction Left Hand
Material Applications Alloy Steel; Aluminum; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Magnesium; Stainless Steel
List Number 4030
Reamer Diameter 31/64 in

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