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
    A52245 ACT 0.4425 0.373 1-3/4 7 6 Uncoated 12
    $47.29
  • A52246 ACT 0.443 0.373 1-3/4 7 6 Uncoated 19
    $47.29
  • A52247 ACT 0.4435 0.373 1-3/4 7 6 Uncoated 18
    $47.16
  • A52248 ACT 0.444 0.373 1-3/4 7 6 Uncoated 15
    $47.29
  • A52249 ACT 0.4445 0.373 1-3/4 7 6 Uncoated 11
    $47.16
  • A52250 ACT 0.445 0.373 1-3/4 7 6 Uncoated 12
    $47.29
  • A52251 ACT 0.4455 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52252 ACT 0.446 0.373 1-3/4 7 6 Uncoated 15
    $47.16
  • A52253 ACT 0.4465 0.373 1-3/4 7 6 Uncoated 7
    $47.16
  • A52254 ACT 0.447 0.373 1-3/4 7 6 Uncoated 17
    $47.16
  • A52255 ACT 0.4475 0.373 1-3/4 7 6 Uncoated 16
    $47.16
  • A52256 ACT 0.448 0.373 1-3/4 7 6 Uncoated 12
    $47.29
  • A52257 ACT 0.4485 0.373 1-3/4 7 6 Uncoated 32
    $47.16
  • A52258 ACT 0.449 0.373 1-3/4 7 6 Uncoated 12
    $47.16
  • A52259 ACT 0.4495 0.373 1-3/4 7 6 Uncoated 15
    $47.16
  • A52260 ACT 0.45 0.373 1-3/4 7 6 Uncoated 18
    $47.29
  • A52261 ACT 0.4505 0.373 1-3/4 7 6 Uncoated 12
    $47.16
  • A52262 ACT 0.451 0.373 1-3/4 7 6 Uncoated 20
    $47.16
  • A52263 ACT 0.4515 0.373 1-3/4 7 6 Uncoated 8
    $47.16
  • A52264 ACT 0.452 0.373 1-3/4 7 6 Uncoated 8
    $47.29
  • A52265 ACT 0.4525 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52266 ACT 0.453 0.373 1-3/4 7 6 Uncoated 22
    $47.16
  • A52267 ACT 0.4535 0.373 1-3/4 7 6 Uncoated 11
    $47.16
  • A52268 ACT 0.454 0.373 1-3/4 7 6 Uncoated 8
    $47.29
  • A52269 ACT 0.4545 0.373 1-3/4 7 6 Uncoated 7
    $47.16
  • A52270 ACT 0.455 0.373 1-3/4 7 6 Uncoated 8
    $47.29
  • A52271 ACT 0.4555 0.373 1-3/4 7 6 Uncoated 15
    $47.16
  • A52272 ACT 0.456 0.373 1-3/4 7 6 Uncoated 15
    $47.29
  • A52273 ACT 0.4565 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52274 ACT 0.457 0.373 1-3/4 7 6 Uncoated 7
    $47.16
  • A52275 ACT 0.4575 0.373 1-3/4 7 6 Uncoated 23
    $47.16
  • A52276 ACT 0.458 0.373 1-3/4 7 6 Uncoated 15
    $47.16
  • A52277 ACT 0.4585 0.373 1-3/4 7 6 Uncoated 8
    $47.16
  • A52278 ACT 0.459 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52279 ACT 0.4595 0.373 1-3/4 7 6 Uncoated 12
    $47.16
  • A52280 ACT 0.46 0.373 1-3/4 7 6 Uncoated 11
    $47.16
  • A52281 ACT 0.4605 0.373 1-3/4 7 6 Uncoated 9
    $47.16
  • A52282 ACT 0.461 0.373 1-3/4 7 6 Uncoated 17
    $47.16
  • A52283 ACT 0.4615 0.373 1-3/4 7 6 Uncoated 12
    $47.16
  • A52284 ACT 0.462 0.373 1-3/4 7 6 Uncoated 14
    $47.16
  • A52285 ACT 0.4625 0.373 1-3/4 7 6 Uncoated 9
    $47.16
  • A52286 ACT 0.463 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52287 ACT 0.4635 0.373 1-3/4 7 6 Uncoated 7
    $47.16
  • A52288 ACT 0.464 0.373 1-3/4 7 6 Uncoated 13
    $47.16
  • A52289 ACT 0.4645 0.373 1-3/4 7 6 Uncoated 13
    $47.16
  • A52290 ACT 0.465 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52291 ACT 0.4655 0.373 1-3/4 7 6 Uncoated 10
    $47.16
  • A52292 ACT 0.466 0.373 1-3/4 7 6 Uncoated 7
    $47.16
  • A52293 ACT 0.4665 0.373 1-3/4 7 6 Uncoated 6
    $47.16
  • A52294 ACT 0.467 0.373 1-3/4 7 6 Uncoated 14
    $47.16
  • A52295 ACT 0.4675 0.373 1-3/4 7 6 Uncoated 13
    $47.16
  • A52296 ACT 0.468 0.373 1-3/4 7 6 Uncoated 5
    $47.29
  • A52297 ACT 0.4685 0.373 1-3/4 7 6 Uncoated 17
    $47.16
  • A52298 ACT 0.469 0.4355 2 8 6 Uncoated 12
    $47.29
  • A52299 ACT 0.4695 0.4355 2 8 6 Uncoated 22
    $47.16
  • 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
  • Total: items /

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