Reamers

Reamers

Made in USA since 1992

Common reamer types

Chucking Reamers
Chucking Reamers The workhorse — machine reaming to size HSS, cobalt or carbide Best for Finishing drilled or bored holes to tolerance
Dowel Pin Reamers
Dowel Pin Reamers Sized for standard dowel pin fits HSS or cobalt Best for Tooling, fixturing and mold alignment
Expansion Reamers
Expansion Reamers Screw expands the head to restore size Straight or taper shank Best for Long service where regrinding pays
Hand Reamers
Hand Reamers Turned by hand, not under power Straight flute or left-hand spiral Best for Fitting, repair and toolroom work
Taper Pin Reamers
Taper Pin Reamers Cuts the taper for standard taper pins Straight, LH spiral or LH helical Best for Pinning gears and pulleys to shafts

Specialty reamers

HSS Safety Reamers LH Spiral
HSS Safety Reamers LH Spiral Hex shank, 1-1/16 to 2 inch Tapered point enters misaligned holes Best for Heavy structural steel assembly
HSS Capscrew Counterbores
HSS Capscrew Counterbores Flat-bottomed seat for a socket head Built-in pilot holds alignment Best for Recessing capscrews flush or below surface
HSS Bridge Reamers LH Spiral
HSS Bridge Reamers LH Spiral Taper shank with a pilot point Left-hand spiral, right-hand cut Best for Aligning bolt holes in structural steel
HSS Construction Reamers LH Spiral
HSS Construction Reamers LH Spiral Flatted shank, black and gold oxide Left-hand spiral, right-hand cut Best for Bolt clearance holes in beams and chassis
HSS Taper Pipe
HSS Taper Pipe Reams the taper before pipe tapping 6 to 12 flute options Best for Dryseal and ANPT thread preparation

Atlas Cutting Tools carries one of the most complete ranges of reamers in the industry. Shop Chucking Reamers (straight flute and spiral flute, in HSS, Cobalt, and Carbide), Dowel Pin Reamers, Expansion Reamers, Hand Reamers, Taper Pin Reamers, and specialty items like Bridge Reamers, Capscrew Counterbores, Construction Reamers, Safety Reamers, and Taper Pipe Reamers.

Reamers are precision-ground for tight tolerance hole finishing after drilling or boring, and material choice matters: HSS suits general-purpose work, Cobalt holds up better in stainless and tougher alloys, and Carbide delivers the longest tool life in high-volume production. All reamers are USA manufactured, and most sizes ship the same day with a 97% fill rate.

  • Compare SKU Vendor Size (D1) Decimal Equivalent (D1) Flute Diameter (D1) Shank Diameter (D2) Pilot Length (L2) Pilot Diameter (D3) Flute Length (L2) Overall Length (L1) Total Reach (L3) Axial Chamfer Morse Taper Small Diameter Large Diameter Body Length (L3) Size of Square Hex Shank Diameter Number of Flutes Coating In Stock Price Quantity
    A52300 ACT 0.47 0.4355 2 8 6 Uncoated 18
    $47.29
  • A52301 ACT 0.4705 0.4355 2 8 6 Uncoated 8
    $47.16
  • A52302 ACT 0.471 0.4355 2 8 6 Uncoated 11
    $47.29
  • A52303 ACT 0.4715 0.4355 2 8 6 Uncoated 24
    $47.29
  • A52304 ACT 0.472 0.4355 2 8 6 Uncoated 13
    $47.29
  • A52305 ACT 0.4725 0.4355 2 8 6 Uncoated 24
    $47.29
  • A52306 ACT 0.473 0.4355 2 8 6 Uncoated 25
    $47.29
  • A52307 ACT 0.4735 0.4355 2 8 6 Uncoated 22
    $47.29
  • A52308 ACT 0.474 0.4355 2 8 6 Uncoated 18
    $47.29
  • A52309 ACT 0.4745 0.4355 2 8 6 Uncoated 16
    $47.29
  • A52310 ACT 0.475 0.4355 2 8 6 Uncoated 15
    $47.29
  • A52311 ACT 0.4755 0.4355 2 8 6 Uncoated 9
    $47.29
  • A52312 ACT 0.476 0.4355 2 8 6 Uncoated 10
    $47.29
  • A52313 ACT 0.4765 0.4355 2 8 6 Uncoated 6
    $47.29
  • A52314 ACT 0.477 0.4355 2 8 6 Uncoated 9
    $47.16
  • A52315 ACT 0.4775 0.4355 2 8 6 Uncoated 8
    $47.16
  • A52316 ACT 0.478 0.4355 2 8 6 Uncoated 6
    $47.16
  • A52317 ACT 0.4785 0.4355 2 8 6 Uncoated 9
    $47.16
  • A52318 ACT 0.479 0.4355 2 8 6 Uncoated 14
    $47.16
  • A52319 ACT 0.4795 0.4355 2 8 6 Uncoated 12
    $47.16
  • A52320 ACT 0.48 0.4355 2 8 6 Uncoated 17
    $47.16
  • A52321 ACT 0.4805 0.4355 2 8 6 Uncoated 5
    $47.16
  • A52322 ACT 0.481 0.4355 2 8 6 Uncoated 9
    $47.16
  • A52323 ACT 0.4815 0.4355 2 8 6 Uncoated 5
    $47.16
  • A52324 ACT 0.482 0.4355 2 8 6 Uncoated 8
    $47.29
  • A52325 ACT 0.4825 0.4355 2 8 6 Uncoated 4
    $47.16
  • A52326 ACT 0.483 0.4355 2 8 6 Uncoated 7
    $47.29
  • A52327 ACT 0.4835 0.4355 2 8 6 Uncoated 3
    $47.29
  • A52328 ACT 0.484 0.4355 2 8 6 Uncoated 19
    $47.16
  • A52329 ACT 0.4845 0.4355 2 8 6 Uncoated 13
    $44.28
  • A52330 ACT 0.485 0.4355 2 8 6 Uncoated 10
    $44.53
  • A52331 ACT 0.4855 0.4355 2 8 6 Uncoated 13
    $44.28
  • A52332 ACT 0.486 0.4355 2 8 6 Uncoated 16
    $44.28
  • A52333 ACT 0.4865 0.4355 2 8 6 Uncoated 15
    $44.28
  • A52334 ACT 0.487 0.4355 2 8 6 Uncoated 15
    $44.28
  • A52335 ACT 0.4875 0.4355 2 8 6 Uncoated 6
    $44.28
  • A52336 ACT 0.488 0.4355 2 8 6 Uncoated 10
    $44.28
  • A52337 ACT 0.4885 0.4355 2 8 6 Uncoated 16
    $44.28
  • A52338 ACT 0.489 0.4355 2 8 6 Uncoated 7
    $44.53
  • A52339 ACT 0.4895 0.4355 2 8 6 Uncoated 5
    $44.28
  • A52340 ACT 0.49 0.4355 2 8 6 Uncoated 18
    $44.28
  • A52341 ACT 0.4905 0.4355 2 8 6 Uncoated 13
    $44.28
  • A52342 ACT 0.491 0.4355 2 8 6 Uncoated 5
    $44.28
  • A52343 ACT 0.4915 0.4355 2 8 6 Uncoated 14
    $44.28
  • A52344 ACT 0.492 0.4355 2 8 6 Uncoated 11
    $44.28
  • A52345 ACT 0.4925 0.4355 2 8 6 Uncoated 23
    $44.28
  • A52346 ACT 0.493 0.4355 2 8 6 Uncoated 22
    $44.28
  • A52347 ACT 0.4935 0.4355 2 8 6 Uncoated 14
    $44.28
  • A52348 ACT 0.494 0.4355 2 8 6 Uncoated 15
    $44.28
  • A52349 ACT 0.4945 0.4355 2 8 6 Uncoated 12
    $44.28
  • A52350 ACT 0.495 0.4355 2 8 6 Uncoated 15
    $44.53
  • A52351 ACT 0.4955 0.4355 2 8 6 Uncoated 5
    $44.28
  • A52352 ACT 0.496 0.4355 2 8 6 Uncoated 5
    $44.53
  • A52353 ACT 0.4965 0.4355 2 8 6 Uncoated 18
    $44.28
  • A52354 ACT 0.497 0.4355 2 8 6 Uncoated 21
    $44.53
  • A52355 ACT 0.4975 0.4355 2 8 6 Uncoated 21
    $44.28
  • A52356 ACT 0.498 0.4355 2 8 6 Uncoated 20
    $44.53
  • A52357 ACT 0.4985 0.4355 2 8 6 Uncoated 18
    $44.53
  • A52358 ACT 0.4995 0.4355 2 8 6 Uncoated 59
    $44.53
  • A52359 ACT 0.5005 0.4355 2 8 6 Uncoated 32
    $59.49
  • A52360 ACT 0.5015 0.4355 2 8 6 Uncoated 28
    $59.49
  • A52361 ACT 0.502 0.4355 2 8 6 Uncoated 33
    $59.49
  • A52362 ACT 0.5025 0.4355 2 8 6 Uncoated 83
    $59.49
  • A52363 ACT 0.503 0.4355 2 8 6 Uncoated 35
    $59.49
  • A52364 ACT 0.5035 0.4355 2 8 6 Uncoated 7
    $59.49
  • A52365 ACT 0.504 0.4355 2 8 6 Uncoated 22
    $59.49
  • A52366 ACT 0.5045 0.4355 2 8 6 Uncoated 21
    $59.49
  • A52367 ACT 0.505 0.4355 2 8 6 Uncoated 36
    $59.49
  • A52368 ACT 0.506 0.4355 2 8 6 Uncoated 15
    $59.49
  • A52369 ACT 0.507 0.4355 2 8 6 Uncoated 17
    $59.49
  • A52370 ACT 0.508 0.4355 2 8 6 Uncoated 16
    $59.49
  • A52371 ACT 0.509 0.4355 2 8 6 Uncoated 9
    $59.49
  • A52372 ACT 0.51 0.4355 2 8 6 Uncoated 15
    $59.49
  • A52373 ACT 0.56 0.4355 2 8 8 Uncoated 20
    $58.21
  • A52374 ACT 0.5605 0.4355 2 8 8 Uncoated 5
    $58.21
  • A52375 ACT 0.561 0.4355 2 8 8 Uncoated 19
    $58.21
  • A52376 ACT 0.562 0.4355 2 8 8 Uncoated 17
    $58.21
  • A52377 ACT 0.563 0.4355 2 8 8 Uncoated 19
    $66.95
  • A52378 ACT 0.564 0.4355 2 8 8 Uncoated 17
    $66.95
  • A52379 ACT 0.5645 0.4355 2 8 8 Uncoated 17
    $66.95
  • A52380 ACT 0.565 0.4355 2 8 8 Uncoated 19
    $66.95
  • A52381 ACT 0.5655 0.4355 2 8 8 Uncoated 14
    $66.95
  • A52382 ACT 0.622 0.5615 2-1/4 9 8 Uncoated 14
    $67.20
  • A52383 ACT 0.6225 0.5615 2-1/4 9 8 Uncoated 17
    $67.20
  • A52384 ACT 0.623 0.5615 2-1/4 9 8 Uncoated 9
    $67.46
  • A52385 ACT 0.6235 0.5615 2-1/4 9 8 Uncoated 14
    $67.46
  • A52386 ACT 0.6245 0.5615 2-1/4 9 8 Uncoated 28
    $67.46
  • A52387 ACT 0.6255 0.5615 2-1/4 9 8 Uncoated 16
    $75.12
  • A52388 ACT 0.6265 0.5615 2-1/4 9 8 Uncoated 19
    $75.12
  • A52389 ACT 0.627 0.5615 2-1/4 9 8 Uncoated 62
    $75.12
  • A52390 ACT 0.6275 0.5615 2-1/4 9 8 Uncoated 18
    $75.12
  • A52391 ACT 0.628 0.5615 2-1/4 9 8 Uncoated 49
    $75.12
  • A52392 ACT 0.6845 0.5615 2-1/4 9 8 Uncoated 6
    $75.12
  • A52393 ACT 0.685 0.5615 2-1/4 9 8 Uncoated 13
    $75.12
  • A52394 ACT 0.6855 0.5615 2-1/4 9 8 Uncoated 13
    $75.12
  • A52395 ACT 0.686 0.5615 2-1/4 9 8 Uncoated 13
    $75.12
  • A52396 ACT 0.687 0.5615 2-1/4 9 8 Uncoated 21
    $75.12
  • A52397 ACT 0.688 0.5615 2-1/4 9 8 Uncoated 15
    $82.71
  • A52398 ACT 0.6895 0.5615 2-1/4 9 8 Uncoated 9
    $82.71
  • A52399 ACT 0.69 0.5615 2-1/4 9 8 Uncoated 25
    $82.71
  • Total: items /

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