Reamers

Reamers

Atlas Cutting Tools carries one of the most complete ranges of reamer sizes and styles in the industry, including over 5,000 HSS and Cobalt Chucking Reamers alone. 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.

  • 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 Sku Price Quantity
    #56 0.0465 0.0420 3/8 1-1/2 0.0000 0.0100 4 Uncoated 100
    A50156
    $32.91
  • 1/2 0.5000 2 8 1 6 Uncoated Call
    A53815
    $28.34
  • 1-1/2 1.7930 1.5 1-3/4 4-1/4 1.6840 1.793 1.1250 12 Uncoated 11
    A53804
    $446.81
  • 3/16 0.1875 0.1875 1-3/4 3-1/2 6 Uncoated 21
    A53761
    $51.83
  • 7/8 0.8750 1/2 4-1/2 6-7/8 5 Uncoated 100
    A53750
    $108.93
  • 15/16 0.9375 7-3/8 12 3 0.6250 5 Uncoated 80
    A53740
    $160.39
  • #2 0.2008 13/64 1-15/16 3-3/16 0.1605 0.2008 6 Uncoated 17
    A53723
    $45.73
  • #2 0.2008 13/64 1-15/16 3-3/16 0.1605 0.2008 6 Uncoated Call
    A53702
    $40.21
  • #2 0.2008 13/64 1-15/16 3-3/16 0.1605 0.2008 6 Uncoated 19
    A53681
    $40.91
  • #6 0.259 3/16 .1690 4-5/8 3/4 Uncoated 8
    A53661
    $33.69
  • 3/16 0.1875 0.1875 1-3/4 3-1/2 6 Uncoated Call
    A53596
    $33.23
  • 5/8 0.6250 1-1/4 9 2 6 Uncoated 7
    A53563
    $114.09
  • 5/8 0.6250 9/16 1-1/4 9 6 Uncoated 13
    A53530
    $140.89
  • #54 0.0550 0.051 1/2 2-1/2 4 Uncoated Call
    A53354
    $12.90
  • 0.373 0.373 0.3105 1-3/4 7 6 Uncoated 10
    A53340
    $43.63
  • 0.373 0.373 0.3105 1-3/4 7 6 Uncoated 13
    A53326
    $35.38
  • #54 0.0510 0.051 1/2 2-1/2 4 Uncoated 16
    A53142
    $27.55
  • #54 0.0550 0.051 1/2 2-1/2 4 Uncoated 17
    A52966
    $25.03
  • 0.373 0.373 0.3105 1-3/4 7 6 Uncoated 16
    A52952
    $42.02
  • #73 0.0240 0.024 1/2 1-1/8 3 Uncoated 7
    A52754
    $28.91
  • 0.373 0.373 0.3105 1-3/4 7 6 Uncoated 9
    A52725
    $32.29
  • #73 0.0240 0.024 1/2 1-1/8 3 Uncoated 10
    A52462
    $26.02
  • 0.015 0.0156 3/8 3/4 2 Uncoated 11
    A51513
    $32.33
  • 3/64 0.0469 0.0420 3/8 1-1/2 0.0000 0.0100 4 Uncoated 13
    A50157
    $31.38
  • 1 1.0000 7-3/8 12 3 0.6875 5 Uncoated 17
    A53852
    $174.20
  • 17/32 0.5312 2 8 1 6 Uncoated Call
    A53816
    $31.54
  • 2 2.2680 1.875 1-3/4 4-1/2 2.1590 2.268 1.4060 12 Uncoated 9
    A53805
    $599.70
  • 13/64 0.2031 0.2031 1-7/8 3-3/4 6 Uncoated 6
    A53762
    $51.67
  • 15/16 0.9375 1/2 4-1/2 6-7/8 5 Uncoated 55
    A53751
    $108.93
  • #3 0.2294 15/64 2-15/16 3-11/16 0.1813 0.2294 6 Uncoated 11
    A53724
    $45.73
  • #3 0.2294 15/64 2-15/16 3-11/16 0.1813 0.2294 6 Uncoated Call
    A53703
    $41.58
  • #3 0.2294 15/64 2-15/16 3-11/16 0.1813 0.2294 6 Uncoated 16
    A53682
    $40.91
  • #8 0.27 7/32 .1640 5 3/4 Uncoated 10
    A53634
    $36.12
  • 13/64 0.2031 0.2031 1-7/8 3-3/4 6 Uncoated Call
    A53597
    $33.23
  • 21/32 0.6563 1-1/4 9 2 6 Uncoated 1
    A53564
    $133.05
  • 21/32 0.6563 9/16 1-1/4 9 6 Uncoated 5
    A53531
    $108.98
  • 1.5mm 0.0591 0.051 1/2 2-1/2 4 Uncoated Call
    A53355
    $12.90
  • 0.3745 0.3745 0.3105 1-3/4 7 6 Uncoated 18
    A53341
    $43.63
  • 0.3745 0.3745 0.3105 1-3/4 7 6 Uncoated 8
    A53327
    $35.38
  • 1.5mm 0.0510 0.051 1/2 2-1/2 4 Uncoated 10
    A53143
    $27.55
  • 1.5mm 0.0591 0.051 1/2 2-1/2 4 Uncoated 9
    A52967
    $25.03
  • 0.3745 0.3745 0.3105 1-3/4 7 6 Uncoated 16
    A52953
    $42.02
  • #72 0.0250 0.025 1/2 1-1/8 3 Uncoated 16
    A52755
    $28.91
  • 0.3745 0.3745 0.3105 1-3/4 7 6 Uncoated 61
    A52726
    $32.29
  • #72 0.0250 0.025 1/2 1-1/8 3 Uncoated 19
    A52463
    $26.02
  • 0.0155 0.0156 3/8 3/4 2 Uncoated 10
    A51514
    $32.33
  • 0.0470 0.0420 3/8 1-1/2 0.0000 0.0100 4 Uncoated 24
    A50158
    $34.72
  • 9/16 0.5625 2 8 1 8 Uncoated Call
    A53817
    $33.64
  • 7/32 0.2188 0.2188 1-7/8 3-3/4 6 Uncoated 15
    A53763
    $56.74
  • 1 1.0000 1/2 4-1/2 6-7/8 5 Uncoated 24
    A53752
    $124.48
  • 1-1/16 1.0625 7-3/8 12 3 0.7500 5 Uncoated 22
    A53741
    $180.26
  • #4 0.2604 17/64 2-9/16 4-1/16 0.2071 0.2604 6 Uncoated 60
    A53725
    $50.02
  • #4 0.2604 17/64 2-9/16 4-1/16 0.2071 0.2604 6 Uncoated 9
    A53704
    $61.15
  • #4 0.2604 17/64 2-9/16 4-1/16 0.2071 0.2604 6 Uncoated 6
    A53683
    $45.85
  • #8 0.286 7/32 .1790 5 3/4 Uncoated 20
    A53648
    $36.12
  • 7/32 0.2188 0.2188 1-7/8 3-3/4 6 Uncoated Call
    A53598
    $32.35
  • 11/16 0.6875 1-1/4 9 2 6 Uncoated 1
    A53565
    $133.84
  • 11/16 0.6875 9/16 1-1/4 9 6 Uncoated Call
    A53532
    $115.12
  • #53 0.0595 0.0585 1/2 2-1/2 4 Uncoated Call
    A53356
    $12.90
  • 0.4355 0.4355 0.373 1-3/4 7 6 Uncoated 12
    A53342
    $59.87
  • 0.4355 0.4355 0.373 1-3/4 7 6 Uncoated 10
    A53328
    $41.94
  • #53 0.0585 0.0585 1/2 2-1/2 4 Uncoated 14
    A53144
    $27.55
  • #53 0.0595 0.0585 1/2 2-1/2 4 Uncoated 15
    A52968
    $25.03
  • 0.4355 0.4355 0.373 1-3/4 7 6 Uncoated 12
    A52954
    $39.13
  • #71 0.0260 0.026 1/2 1-1/4 3 Uncoated 12
    A52756
    $28.91
  • 0.4355 0.4355 0.373 1-3/4 7 6 Uncoated 14
    A52727
    $26.23
  • #71 0.0260 0.026 1/2 1-1/4 3 Uncoated 21
    A52464
    $26.02
  • 0.0165 0.018 3/8 7/8 2 Uncoated 20
    A51515
    $32.33
  • 0.0480 0.0430 3/8 1-1/2 0.0000 0.0100 4 Uncoated 100
    A50159
    $34.72
  • 1-1/8 1.1250 7-3/8 12 3 0.8125 5 Uncoated 21
    A53853
    $220.59
  • 19/32 0.5937 2 8 1 8 Uncoated Call
    A53818
    $34.24
  • 1-1/16 1.0625 1/2 4-1/2 6-7/8 5 Uncoated 16
    A53806
    $146.37
  • 15/64 0.2344 0.2344 2 4 6 Uncoated 12
    A53764
    $56.74
  • #5 0.2994 5/16 2-13/16 4-5/16 0.2409 0.2994 6 Uncoated 19
    A53726
    $53.11
  • #5 0.2994 5/16 2-13/16 4-5/16 0.2409 0.2994 6 Uncoated 2
    A53705
    $48.29
  • #5 0.2994 5/16 2-13/16 4-5/16 0.2409 0.2994 6 Uncoated 36
    A53684
    $49.36
  • #8 0.302 7/32 .1950 5 3/4 Uncoated 17
    A53662
    $36.12
  • 15/64 0.2344 0.2344 2 4 6 Uncoated Call
    A53599
    $32.35
  • 23/32 0.7188 1-1/4 9 2 6 Uncoated 1
    A53566
    $142.73
  • 23/32 0.7188 9/16 1-1/4 9 6 Uncoated 2
    A53533
    $129.81
  • 1/16 0.0625 0.0585 1/2 2-1/2 4 Uncoated Call
    A53357
    $12.90
  • 0.437 0.437 0.373 1-3/4 7 6 Uncoated Call
    A53343
    $59.87
  • 0.437 0.437 0.373 1-3/4 7 6 Uncoated 5
    A53329
    $41.94
  • 1/16 0.0585 0.0585 1/2 2-1/2 4 Uncoated 23
    A53145
    $27.79
  • 1/16 0.0625 0.0585 1/2 2-1/2 4 Uncoated 8
    A52969
    $25.03
  • 0.437 0.437 0.373 1-3/4 7 6 Uncoated 1
    A52955
    $39.13
  • #70 0.0280 0.028 1/2 1-1/4 3 Uncoated 16
    A52757
    $28.91
  • 0.437 0.437 0.373 1-3/4 7 6 Uncoated 18
    A52728
    $36.25
  • #70 0.0280 0.028 1/2 1-1/4 3 Uncoated 11
    A52465
    $25.94
  • 0.017 0.018 3/8 7/8 2 Uncoated 10
    A51516
    $32.33
  • 0.0490 0.0440 3/8 1-1/2 0.0000 0.0100 4 Uncoated 21
    A50160
    $34.72
  • 1-3/16 1.1875 7-3/8 12 3 0.8750 5 Uncoated 12
    A53854
    $283.67
  • 5/8 0.6250 2-1/4 9 2 8 Uncoated Call
    A53819
    $36.48
  • 1/4 0.2500 0.25 2 4 6 Uncoated 20
    A53765
    $56.61
  • #6 0.3540 23/64 3-11/16 5-7/16 0.2773 0.354 6 Uncoated 16
    A53727
    $65.73
  • #6 0.3540 23/64 3-11/16 5-7/16 0.2773 0.354 6 Uncoated Call
    A53706
    $78.42
  • #6 0.3540 23/64 3-11/16 5-7/16 0.2773 0.354 6 Uncoated 21
    A53685
    $59.50
  • #10 0.312 1/4 .1900 5-1/4 7/8 Uncoated 16
    A53635
    $36.91
  • 1/4 0.2500 0.25 2 4 6 Uncoated Call
    A53600
    $32.20
  • 3/4 0.7500 1-3/8 9-1/2 2 6 Uncoated 13
    A53567
    $182.86
  • Total: items /

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