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
    A50661 ACT 0.4670 0.4670 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $171.77
  • A52018 ACT 0.3205 0.2792 1-1/2 6 6 Uncoated 15
    $38.10
  • A50662 ACT 0.4680 0.4680 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $172.55
  • A52019 ACT 0.321 0.2792 1-1/2 6 6 Uncoated 18
    $38.22
  • A50663 ACT 15/32 0.4688 0.4688 1-3/8 4 2-1/4 0.0450 6 Uncoated 13
    $137.18
  • A52020 ACT 0.3215 0.2792 1-1/2 6 6 Uncoated 17
    $38.10
  • A52021 ACT 0.322 0.2792 1-1/2 6 6 Uncoated 28
    $38.22
  • A52022 ACT 0.3225 0.2792 1-1/2 6 6 Uncoated 19
    $38.22
  • A52023 ACT 0.3235 0.2792 1-1/2 6 6 Uncoated 12
    $38.10
  • A52024 ACT 0.324 0.2792 1-1/2 6 6 Uncoated 17
    $38.10
  • A52025 ACT 0.3245 0.2792 1-1/2 6 6 Uncoated 14
    $38.10
  • A52026 ACT 0.325 0.2792 1-1/2 6 6 Uncoated 18
    $38.22
  • A52027 ACT 0.3255 0.2792 1-1/2 6 6 Uncoated 18
    $38.10
  • A52028 ACT 0.326 0.2792 1-1/2 6 6 Uncoated 9
    $38.22
  • A52029 ACT 0.3265 0.2792 1-1/2 6 6 Uncoated 9
    $38.22
  • A52030 ACT 0.327 0.2792 1-1/2 6 6 Uncoated 20
    $38.10
  • A52031 ACT 0.3275 0.2792 1-1/2 6 6 Uncoated 13
    $38.10
  • A52032 ACT 0.328 0.2792 1-1/2 6 6 Uncoated 17
    $38.22
  • A52033 ACT 0.3285 0.2792 1-1/2 6 6 Uncoated 24
    $38.10
  • A52034 ACT 0.329 0.2792 1-1/2 6 6 Uncoated 39
    $38.22
  • A52035 ACT 0.3295 0.2792 1-1/2 6 6 Uncoated 13
    $38.10
  • A52036 ACT 0.33 0.2792 1-1/2 6 6 Uncoated 23
    $38.10
  • A52037 ACT 0.3305 0.2792 1-1/2 6 6 Uncoated 12
    $38.10
  • A50681 ACT 31/64 0.4844 0.4844 1-1/2 4 2-1/2 0.0450 6 Uncoated 13
    $155.57
  • A52038 ACT 0.331 0.2792 1-1/2 6 6 Uncoated 6
    $38.10
  • A52039 ACT 0.3315 0.2792 1-1/2 6 6 Uncoated 5
    $38.22
  • A52040 ACT 0.3325 0.2792 1-1/2 6 6 Uncoated 8
    $38.10
  • A52041 ACT 0.333 0.2792 1-1/2 6 6 Uncoated 7
    $38.22
  • A52042 ACT 0.3335 0.2792 1-1/2 6 6 Uncoated 22
    $38.10
  • A52043 ACT 0.334 0.2792 1-1/2 6 6 Uncoated 22
    $38.22
  • A52044 ACT 0.3345 0.2792 1-1/2 6 6 Uncoated 11
    $38.22
  • A52045 ACT 0.335 0.2792 1-1/2 6 6 Uncoated 24
    $38.22
  • A52046 ACT 0.3355 0.2792 1-1/2 6 6 Uncoated 13
    $38.22
  • A52047 ACT 0.336 0.2792 1-1/2 6 6 Uncoated 15
    $38.22
  • A52048 ACT 0.3365 0.2792 1-1/2 6 6 Uncoated 15
    $38.10
  • A52049 ACT 0.337 0.2792 1-1/2 6 6 Uncoated 19
    $38.22
  • A52050 ACT 0.3375 0.2792 1-1/2 6 6 Uncoated 28
    $38.10
  • A52051 ACT 0.338 0.2792 1-1/2 6 6 Uncoated 16
    $38.10
  • A52052 ACT 0.3385 0.2792 1-1/2 6 6 Uncoated 6
    $38.10
  • A52053 ACT 0.3395 0.2792 1-1/2 6 6 Uncoated 12
    $38.10
  • A52054 ACT 0.34 0.2792 1-1/2 6 6 Uncoated 10
    $38.22
  • A52055 ACT 0.3405 0.2792 1-1/2 6 6 Uncoated 7
    $38.10
  • A50699 ACT 1/2 0.5000 0.5000 1-1/2 4 2-1/2 0.0450 6 Uncoated 20
    $169.67
  • A52056 ACT 0.341 0.2792 1-1/2 6 6 Uncoated 24
    $38.22
  • A52057 ACT 0.3415 0.2792 1-1/2 6 6 Uncoated 10
    $38.10
  • A52058 ACT 0.342 0.2792 1-1/2 6 6 Uncoated 12
    $38.22
  • A52059 ACT 0.3425 0.2792 1-1/2 6 6 Uncoated 9
    $38.22
  • A52060 ACT 0.343 0.2792 1-1/2 6 6 Uncoated 12
    $38.22
  • A52061 ACT 0.3435 0.2792 1-1/2 6 6 Uncoated 10
    $38.22
  • A52062 ACT 0.344 0.3105 1-3/4 7 6 Uncoated 21
    $38.56
  • A52063 ACT 0.3445 0.3105 1-3/4 7 6 Uncoated 9
    $38.56
  • A52064 ACT 0.345 0.3105 1-3/4 7 6 Uncoated 24
    $38.56
  • A52065 ACT 0.3455 0.3105 1-3/4 7 6 Uncoated 18
    $38.56
  • A52066 ACT 0.346 0.3105 1-3/4 7 6 Uncoated 18
    $38.56
  • A52067 ACT 0.3465 0.3105 1-3/4 7 6 Uncoated 7
    $38.56
  • A52068 ACT 0.347 0.3105 1-3/4 7 6 Uncoated 17
    $38.56
  • A52069 ACT 0.3475 0.3105 1-3/4 7 6 Uncoated 5
    $38.56
  • A52070 ACT 0.3485 0.3105 1-3/4 7 6 Uncoated 12
    $38.56
  • A52071 ACT 0.349 0.3105 1-3/4 7 6 Uncoated 26
    $38.56
  • A52072 ACT 0.3495 0.3105 1-3/4 7 6 Uncoated 8
    $38.56
  • A52073 ACT 0.35 0.3105 1-3/4 7 6 Uncoated 21
    $38.56
  • A52074 ACT 0.3505 0.3105 1-3/4 7 6 Uncoated 19
    $38.56
  • A52075 ACT 0.351 0.3105 1-3/4 7 6 Uncoated 8
    $38.56
  • A52076 ACT 0.3515 0.3105 1-3/4 7 6 Uncoated 6
    $38.56
  • A52077 ACT 0.352 0.3105 1-3/4 7 6 Uncoated 16
    $38.56
  • A52078 ACT 0.3525 0.3105 1-3/4 7 6 Uncoated 10
    $38.56
  • A52079 ACT 0.353 0.3105 1-3/4 7 6 Uncoated 5
    $38.56
  • A52080 ACT 0.3535 0.3105 1-3/4 7 6 Uncoated 19
    $38.56
  • A52081 ACT 0.354 0.3105 1-3/4 7 6 Uncoated 11
    $38.56
  • A52082 ACT 0.3545 0.3105 1-3/4 7 6 Uncoated 18
    $38.56
  • A52083 ACT 0.355 0.3105 1-3/4 7 6 Uncoated 20
    $38.56
  • A52084 ACT 0.3555 0.3105 1-3/4 7 6 Uncoated 5
    $38.56
  • A52085 ACT 0.356 0.3105 1-3/4 7 6 Uncoated 16
    $38.56
  • A52086 ACT 0.3565 0.3105 1-3/4 7 6 Uncoated 16
    $38.56
  • A52087 ACT 0.357 0.3105 1-3/4 7 6 Uncoated 11
    $38.56
  • A52088 ACT 0.3575 0.3105 1-3/4 7 6 Uncoated 13
    $38.56
  • A52089 ACT 0.3585 0.3105 1-3/4 7 6 Uncoated 11
    $38.56
  • A52090 ACT 0.359 0.3105 1-3/4 7 6 Uncoated 20
    $38.56
  • A52091 ACT 0.3595 0.3105 1-3/4 7 6 Uncoated 5
    $34.59
  • A52092 ACT 0.36 0.3105 1-3/4 7 6 Uncoated Available to Order*
    $34.59
  • A52093 ACT 0.3605 0.3105 1-3/4 7 6 Uncoated 17
    $34.59
  • A52094 ACT 0.361 0.3105 1-3/4 7 6 Uncoated 6
    $34.59
  • A52095 ACT 0.3615 0.3105 1-3/4 7 6 Uncoated 8
    $34.59
  • A52096 ACT 0.362 0.3105 1-3/4 7 6 Uncoated 14
    $34.59
  • A52097 ACT 0.3625 0.3105 1-3/4 7 6 Uncoated 14
    $34.59
  • A52098 ACT 0.363 0.3105 1-3/4 7 6 Uncoated 11
    $34.59
  • A52099 ACT 0.3635 0.3105 1-3/4 7 6 Uncoated 8
    $34.59
  • A52100 ACT 0.364 0.3105 1-3/4 7 6 Uncoated 19
    $34.59
  • A52101 ACT 0.3645 0.3105 1-3/4 7 6 Uncoated 10
    $34.59
  • A52102 ACT 0.365 0.3105 1-3/4 7 6 Uncoated 20
    $34.59
  • A52103 ACT 0.3655 0.3105 1-3/4 7 6 Uncoated 12
    $34.59
  • A52104 ACT 0.366 0.3105 1-3/4 7 6 Uncoated 14
    $34.59
  • A52105 ACT 0.3665 0.3105 1-3/4 7 6 Uncoated 9
    $34.59
  • A52106 ACT 0.367 0.3105 1-3/4 7 6 Uncoated 9
    $34.59
  • A52107 ACT 0.3675 0.3105 1-3/4 7 6 Uncoated 13
    $34.59
  • A52108 ACT 0.3685 0.3105 1-3/4 7 6 Uncoated 16
    $34.59
  • A52109 ACT 0.369 0.3105 1-3/4 7 6 Uncoated 9
    $34.59
  • A52110 ACT 0.3695 0.3105 1-3/4 7 6 Uncoated 7
    $34.59
  • A52111 ACT 0.37 0.3105 1-3/4 7 6 Uncoated 29
    $34.59
  • A52112 ACT 0.3705 0.3105 1-3/4 7 6 Uncoated 20
    $34.59

* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.

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