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  • Product Image- Style 452 Carbide Tip, “Blind Hole” Koolream®, Chucking Reamer
  • Dimensional Drawing
Coolant fed construction increases tool life and improves surface finish when reaming aluminum, cast iron, steels, plastics and other abrasive materials.
  • Carbide tipped, high speed steel bodies.
  • Use decimal size range column to determine the overall length, flute length and shank dimensions for
  • Precision ground cutting edges. modified and grind down reamers.
  • Polished flutes for smooth chip flow.
  • Straight flute, right hand cut.
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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)

45202344 N/A 15/64 N/A 5.954 N/A 0.2344 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 7/32 N/A 5.558
45202500 N/A 1/4 N/A 6.35 N/A 0.2500 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 15/64 N/A 5.954
45202656 N/A 17/64 N/A 6.746 N/A 0.2656 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 15/64 N/A 5.954
45202812 N/A 9/32 N/A 7.142 N/A 0.2812 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 15/64 N/A 5.954
45202969 N/A 19/64 N/A 7.541 N/A 0.2969 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 9/32 N/A 7.142
45203125 N/A 5/16 N/A 7.938 N/A 0.3125 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 9/32 N/A 7.142
45203281 N/A 21/64 N/A 8.334 N/A 0.3281 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 9/32 N/A 7.142
45203438 N/A 11/32 N/A 8.733 N/A 0.3438 N/A 6 N/A 152 N/A 1 1/2 N/A 38 N/A 9/32 N/A 7.142
45203594 N/A 23/64 N/A 9.129 N/A 0.3594 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 5/16 N/A 7.938
45203750 N/A 3/8 N/A 9.525 N/A 0.3750 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 5/16 N/A 7.938
45203906 N/A 25/64 N/A 9.921 N/A 0.3906 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 5/16 N/A 7.938
45204062 N/A 13/32 N/A 10.317 N/A 0.4062 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 5/16 N/A 7.938
45204219 N/A 27/64 N/A 10.716 N/A 0.4219 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 3/8 N/A 9.525
45204375 N/A 7/16 N/A 11.113 N/A 0.4375 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 3/8 N/A 9.525
45204531 N/A 29/64 N/A 11.509 N/A 0.4531 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 3/8 N/A 9.525
45204688 N/A 15/32 N/A 11.908 N/A 0.4688 N/A 7 N/A 178 N/A 1 3/4 N/A 44 N/A 3/8 N/A 9.525
45204844 N/A 31/64 N/A 12.304 N/A 0.4844 N/A 8 N/A 203 N/A 2 N/A 51 N/A 7/16 N/A 11.113
45205000 N/A 1/2 N/A 12.7 N/A 0.5000 N/A 8 N/A 203 N/A 2 N/A 51 N/A 7/16 N/A 11.113
45205156 N/A 33/64 N/A 13 96 N/A 0.5156 N/A 8 N/A 203 N/A 2 N/A 51 N/A 7/16 N/A 11.113
45205312 N/A 17/32 N/A 13.492 N/A 0.5312 N/A 8 N/A 203 N/A 2 N/A 51 N/A 7/16 N/A 11.113
45205625 N/A 9/16 N/A 14.288 N/A 0.5625 N/A 8 N/A 203 N/A 2 N/A 51 N/A 7/16 N/A 11.113
45205938 N/A 19/32 N/A 15 83 N/A 0.5938 N/A 8 N/A 203 N/A 2 N/A 51 N/A 7/16 N/A 11.113
45206250 N/A 5/8 N/A 15.875 N/A 0.6250 N/A 9 N/A 229 N/A 2 1/4 N/A 57 N/A 9/16 N/A 14.288
45206562 N/A 21/32 N/A 16.667 N/A 0.6562 N/A 9 N/A 229 N/A 2 1/4 N/A 57 N/A 9/16 N/A 14.288
45206875 N/A 11/16 N/A 17.463 N/A 0.6875 N/A 9 N/A 229 N/A 2 1/4 N/A 57 N/A 9/16 N/A 14.288
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