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
    0.2545 0.2405 1-1/2 6 6 Uncoated 21
    A51900
    $36.12
  • 0.3640 0.3640 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    A50544
    $97.18
  • 0.255 0.2405 1-1/2 6 6 Uncoated 35
    A51901
    $36.12
  • 0.3650 0.3650 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 20
    A50545
    $97.18
  • 0.2555 0.2405 1-1/2 6 6 Uncoated 9
    A51902
    $36.12
  • 0.3660 0.3660 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 9
    A50546
    $97.18
  • 0.256 0.2485 1-1/2 6 6 Uncoated 32
    A51903
    $36.12
  • 0.3670 0.3670 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    A50547
    $97.18
  • 0.2565 0.2485 1-1/2 6 6 Uncoated 16
    A51904
    $36.12
  • U 0.3680 0.3680 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    A50548
    $97.18
  • 0.2575 0.2485 1-1/2 6 6 Uncoated 15
    A51905
    $36.12
  • 0.3690 0.3690 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    A50549
    $97.18
  • 0.258 0.2485 1-1/2 6 6 Uncoated 18
    A51906
    $36.12
  • 0.3700 0.3700 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    A50550
    $97.18
  • 0.2585 0.2485 1-1/2 6 6 Uncoated 8
    A51907
    $36.12
  • 0.3710 0.3710 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    A50551
    $97.18
  • 0.259 0.2485 1-1/2 6 6 Uncoated 22
    A51908
    $36.12
  • 0.3720 0.3720 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 5
    A50552
    $97.18
  • 0.2595 0.2485 1-1/2 6 6 Uncoated 8
    A51909
    $36.12
  • 0.3730 0.3730 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 11
    A50553
    $97.18
  • 0.26 0.2485 1-1/2 6 6 Uncoated 31
    A51910
    $36.12
  • 9.5mm 0.3740 9.500 1-1/4 3-1/2 54mm 0.0350 6 Uncoated 23
    A50554
    $97.18
  • 0.2605 0.2485 1-1/2 6 6 Uncoated 17
    A51911
    $36.12
  • 0.3745 0.3745 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated Call
    A50555
    $117.88
  • 0.2615 0.2485 1-1/2 6 6 Uncoated 17
    A51912
    $36.12
  • 3/8 0.3750 0.3750 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 21
    A50556
    $96.36
  • 0.262 0.2485 1-1/2 6 6 Uncoated 24
    A51913
    $36.12
  • 0.3755 0.3755 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 18
    A50557
    $117.88
  • 0.2625 0.2485 1-1/2 6 6 Uncoated 7
    A51914
    $36.12
  • 0.3760 0.3760 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 43
    A50558
    $122.62
  • 0.263 0.2485 1-1/2 6 6 Uncoated 13
    A51915
    $36.12
  • 0.3765 0.3765 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 19
    A50559
    $128.02
  • 0.2635 0.2485 1-1/2 6 6 Uncoated 19
    A51916
    $36.12
  • V 0.3770 0.3770 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    A50560
    $122.62
  • 0.264 0.2485 1-1/2 6 6 Uncoated 18
    A51917
    $36.12
  • 0.3780 0.3780 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 23
    A50561
    $122.62
  • 0.2645 0.2485 1-1/2 6 6 Uncoated 7
    A51918
    $36.12
  • 0.3790 0.3790 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 7
    A50562
    $122.05
  • 0.265 0.2485 1-1/2 6 6 Uncoated 27
    A51919
    $36.12
  • 0.3800 0.3800 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 15
    A50563
    $122.62
  • 0.2655 0.2485 1-1/2 6 6 Uncoated 9
    A51920
    $36.12
  • 0.3810 0.3810 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    A50564
    $122.05
  • 0.2665 0.2485 1-1/2 6 6 Uncoated 9
    A51921
    $36.12
  • 0.3820 0.3820 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    A50565
    $122.62
  • 0.267 0.2485 1-1/2 6 6 Uncoated 16
    A51922
    $36.12
  • 0.3830 0.3830 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    A50566
    $122.05
  • 0.2675 0.2485 1-1/2 6 6 Uncoated 10
    A51923
    $36.12
  • 0.3840 0.3840 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 19
    A50567
    $122.62
  • 0.268 0.2485 1-1/2 6 6 Uncoated 18
    A51924
    $36.12
  • 0.3850 0.3850 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    A50568
    $122.05
  • 0.2685 0.2485 1-1/2 6 6 Uncoated 11
    A51925
    $36.12
  • W 0.3860 0.3860 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 20
    A50569
    $122.05
  • 0.269 0.2485 1-1/2 6 6 Uncoated 9
    A51926
    $36.12
  • 0.3870 0.3870 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 6
    A50570
    $151.32
  • 0.2695 0.2485 1-1/2 6 6 Uncoated 10
    A51927
    $36.12
  • 0.3880 0.3880 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 15
    A50571
    $151.32
  • 0.27 0.2485 1-1/2 6 6 Uncoated 48
    A51928
    $36.12
  • 0.3890 0.3890 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    A50572
    $151.32
  • 0.2705 0.2485 1-1/2 6 6 Uncoated 15
    A51929
    $36.12
  • 0.3900 0.3900 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated Call
    A50573
    $151.32
  • 0.271 0.2485 1-1/2 6 6 Uncoated 11
    A51930
    $36.12
  • 25/64 0.3906 0.3906 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    A50574
    $151.32
  • 0.2715 0.2485 1-1/2 6 6 Uncoated 6
    A51931
    $36.12
  • 0.3910 0.3910 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    A50575
    $151.32
  • 0.2725 0.2485 1-1/2 6 6 Uncoated 8
    A51932
    $36.12
  • 0.3920 0.3920 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    A50576
    $151.32
  • 0.273 0.2485 1-1/2 6 6 Uncoated 11
    A51933
    $36.12
  • 0.3930 0.3930 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 19
    A50577
    $151.32
  • 0.2735 0.2485 1-1/2 6 6 Uncoated 6
    A51934
    $36.12
  • 10.0mm 0.3937 10.000 1-1/4 3-1/2 54mm 0.0350 6 Uncoated 7
    A50578
    $115.33
  • 0.274 0.2485 1-1/2 6 6 Uncoated 16
    A51935
    $36.12
  • 0.3940 0.3940 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    A50579
    $151.32
  • 0.2745 0.2485 1-1/2 6 6 Uncoated 18
    A51936
    $36.12
  • 0.3950 0.3950 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    A50580
    $151.32
  • 0.275 0.2485 1-1/2 6 6 Uncoated 44
    A51937
    $36.12
  • 0.3960 0.3960 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    A50581
    $151.32
  • 0.2755 0.2485 1-1/2 6 6 Uncoated 16
    A51938
    $36.12
  • X 0.3970 0.3970 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 11
    A50582
    $151.32
  • 0.276 0.2485 1-1/2 6 6 Uncoated 13
    A51939
    $36.12
  • 0.3980 0.3980 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 6
    A50583
    $151.32
  • 0.2765 0.2485 1-1/2 6 6 Uncoated 7
    A51940
    $36.12
  • 0.3990 0.3990 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 22
    A50584
    $151.32
  • 0.2775 0.2485 1-1/2 6 6 Uncoated 14
    A51941
    $36.12
  • 0.4000 0.4000 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 13
    A50585
    $151.32
  • 0.278 0.2485 1-1/2 6 6 Uncoated 18
    A51942
    $36.12
  • 0.4010 0.4010 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 9
    A50586
    $151.32
  • 0.2785 0.2485 1-1/2 6 6 Uncoated 11
    A51943
    $36.12
  • 0.4020 0.4020 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    A50587
    $151.32
  • 0.279 0.2485 1-1/2 6 6 Uncoated 18
    A51944
    $36.12
  • 0.4030 0.4030 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 9
    A50588
    $151.32
  • 0.2795 0.2485 1-1/2 6 6 Uncoated 12
    A51945
    $36.12
  • Y 0.4040 0.4040 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    A50589
    $151.32
  • 0.28 0.2485 1-1/2 6 6 Uncoated 21
    A51946
    $36.12
  • 0.4050 0.4050 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    A50590
    $151.32
  • 0.2805 0.2485 1-1/2 6 6 Uncoated 20
    A51947
    $36.12
  • 0.4060 0.4060 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 7
    A50591
    $151.32
  • 0.2815 0.2792 1-1/2 6 6 Uncoated 20
    A51948
    $36.12
  • 13/32 0.4062 0.4062 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    A50592
    $110.42
  • 0.282 0.2792 1-1/2 6 6 Uncoated 17
    A51949
    $36.12
  • 0.4070 0.4070 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 100
    A50593
    $151.32
  • Total: items /

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