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Machine Reamer: Letter Reamer Size Measurement System, Bright (Uncoated), Cobalt Steel, Right Hand, E Reamer Size, 6 Flutes

Item # 381W453

$27.90 Each

Product Specs

Finish/Coating: Bright (Uncoated)
Material: Cobalt Steel
Reamer Size Measurement System: Letter
Cutting Direction: Right Hand
Flute Type: Straight
Reamer Size: E
Reamer Size Decimal Equivalent: 0.25 in
Flute Length: 1 1⁄2 in
Overall Length: 6 in
Number of Flutes: 6
Shank Type: Round
Material Application (First Choice): Steel
Application: Through Hole
Chamfer Angle: 45 °
Cutting Diameter Tolerance: +0.0002/-0.0000 in
Expansion Reamer: No
Features: Cutting End of the Reamer is Ground; Hole Entry is Made Easy
For Dowel Pin Diameter: 0.25 in
Material Application (Secondary Choice): Alloy Steel
Material Application ISO Number (First Choice): P1
Material Application ISO Number (Secondary Choice): P2
Material Grade: M48
Number of Coolant Holes: 0
Pilot: No
Powdered Metal Material: No
Reach Length: 1.5 in
Shank Diameter: 0.2405 in
Shank Length: 4.5 in
Through Coolant: No

Compliance and Restrictions

Country Of Origin

  • USA

About Machine Reamers

Sometimes called chucking reamers, machine reamers are placed in the chuck of a drill press, lathe, screw machine, or similar machining tool to enlarge, smooth, or dimension a drilled hole to a tight tolerance. They usually have a 45° chamfer to help ensure accurate entry into the hole.

The most common style of reamer, straight-flute reamers push chips forward into the hole and are recommended for reaming through holes.

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