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Terms
  • Product Image-Style 490 Carbide Tip, Expansion Style, RHC Chucking Reamer
  • Dimensional Drawing
An expansion adjustment screw is used to compensate for wear by allowing the reamer to be reground to its original size.
  • Polished flutes for smooth chip flow.
  • Carbide tipped, high speed steel bodies.
  • Straight flute, right hand cut.
  • Precision ground cutting edges.
  • This is not an adjustable reamer for producing holes of different sizes.
  • These reamers have less rigidity than conventional solid types and must be used accordingly. Excessive amounts of stock removal will result in poorly finished holes.
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Item #

Cutting Ø "D" (Inch)

Cutting Ø "D" (mm)

Dec. Equiv. (Inch)

Overall Length "A" (Inch)

Overall Length "A" (mm)

Flute Length "B" (Inch)

Flute Length "B" (mm)

Shank Diameter "C" (Inch)

Shank Diameter "C" (mm)

N/A 3/8 N/A 9.525 N/A 0.3750 N/A 7 N/A 178 N/A 1 N/A 25 N/A 5/16 N/A 7.938
N/A 7/16 N/A 11.113 N/A 0.4375 N/A 7 N/A 178 N/A 1 N/A 25 N/A 3/8 N/A 9.525
N/A 1/2 N/A 12.7 N/A 0.5000 N/A 8 N/A 203 N/A 1 N/A 25 N/A 7/16 N/A 11.113
N/A 9/16 N/A 14.288 N/A 0.5625 N/A 8 N/A 203 N/A 1 1/4 N/A 29 N/A 7/16 N/A 11.113
N/A 5/8 N/A 15.875 N/A 0.6250 N/A 9 N/A 229 N/A 1 1/4 N/A 32 N/A 9/16 N/A 14.288
N/A 11/16 N/A 17.463 N/A 0.6875 N/A 9 N/A 229 N/A 1 1/4 N/A 32 N/A 9/16 N/A 14.288
N/A 3/4 N/A 19.05 N/A 0.7500 N/A 9 1/2 N/A 241 N/A 1 3/8 N/A 35 N/A 5/8 N/A 15.875
N/A 13/16 N/A 20.638 N/A 0.8125 N/A 9 1/2 N/A 241 N/A 1 3/8 N/A 35 N/A 5/8 N/A 15.875
N/A 7/8 N/A 22.225 N/A 0.8750 N/A 10 N/A 254 N/A 1 1/2 N/A 38 N/A 3/4 N/A 19.05
N/A 15/16 N/A 23.813 N/A 0.9375 N/A 10 N/A 254 N/A 1 1/2 N/A 38 N/A 3/4 N/A 19.05
N/A 1 N/A 25.4 N/A 1.0000 N/A 10 1/2 N/A 267 N/A 1 5/8 N/A 41 N/A 7/8 N/A 22.225
N/A 1 1/8 N/A 28.575 N/A 1.1250 N/A 11 N/A 279 N/A 1 3/4 N/A 44 N/A 7/8 N/A 22.225
N/A 1 1/4 N/A 31.75 N/A 1.2500 N/A 11 1/2 N/A 292 N/A 1 7/8 N/A 48 N/A 1 N/A 25.4
N/A 1 3/8 N/A 34.925 N/A 1.3750 N/A 12 N/A 305 N/A 2 N/A 51 N/A 1 N/A 25.4
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