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
    5/8 0.6250 0.5615 2-1/4 9 8 Uncoated 24
    A53113
    $63.33
  • X 0.3970 0.3105 1-3/4 7 6 Uncoated 18
    A52901
    $56.94
  • X 0.3970 0.3105 1-3/4 7 6 Uncoated 20
    A52609
    $37.03
  • 0.1105 0.1055 7/8 3-1/2 4 Uncoated 23
    A51660
    $19.80
  • 4.0mm 0.1575 4.000 3/4 2-1/2 35mm 0.0170 4 Uncoated 66
    A50304
    $44.16
  • 21/32 0.6563 0.5615 2-1/4 9 8 Uncoated Call
    A53502
    $34.19
  • 21/32 0.6562 0.5615 2-1/4 9 8 Uncoated Call
    A53290
    $52.63
  • 21/32 0.6563 0.5615 2-1/4 9 8 Uncoated 6
    A53114
    $68.20
  • Y 0.4040 0.3105 1-3/4 7 6 Uncoated 56
    A52902
    $56.94
  • Y 0.4040 0.3105 1-3/4 7 6 Uncoated 22
    A52610
    $38.31
  • 0.1115 0.1055 7/8 3-1/2 4 Uncoated 17
    A51661
    $19.80
  • 0.1580 0.1580 3/4 2-1/2 1-3/8 0.5588 4 Uncoated 21
    A50305
    $44.16
  • 11/16 0.6875 0.5615 2-1/4 9 8 Uncoated Call
    A53503
    $36.77
  • 11/16 0.6875 0.5615 2-1/4 9 8 Uncoated Call
    A53291
    $52.63
  • 11/16 0.6875 0.5615 2-1/4 9 8 Uncoated 19
    A53115
    $73.39
  • 13/32 0.4063 0.3105 1-3/4 7 6 Uncoated 15
    A52903
    $56.66
  • 13/32 0.4062 0.3105 1-3/4 7 6 Uncoated 42
    A52611
    $38.31
  • 0.112 0.1055 7/8 3-1/2 4 Uncoated 13
    A51662
    $19.84
  • #21 0.1590 0.1590 3/4 2-1/2 1-3/8 0.0220 4 Uncoated 23
    A50306
    $41.23
  • 23/32 0.7188 0.5615 2-1/4 9 8 Uncoated Call
    A53504
    $41.02
  • 23/32 0.7187 0.5615 2-1/4 9 8 Uncoated Call
    A53292
    $58.73
  • 23/32 0.7188 0.5615 2-1/4 9 8 Uncoated 6
    A53116
    $85.93
  • Z 0.4130 0.373 1-3/4 7 6 Uncoated 22
    A52904
    $56.94
  • Z 0.4130 0.373 1-3/4 7 6 Uncoated 14
    A52612
    $38.31
  • 0.1125 0.1055 7/8 3-1/2 4 Uncoated 19
    A51663
    $19.80
  • 0.1600 0.1600 3/4 2-1/2 1-3/8 0.0220 4 Uncoated 22
    A50307
    $44.16
  • 3/4 0.7500 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53505
    $41.02
  • 3/4 0.7500 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53293
    $59.06
  • 3/4 0.7500 0.624 2-1/2 9-1/2 8 Uncoated 17
    A53117
    $81.64
  • 10.5mm 0.4134 0.373 1-3/4 7 6 Uncoated 37
    A52905
    $56.66
  • 10.5mm 0.4134 0.373 1-3/4 7 6 Uncoated 9
    A52613
    $38.47
  • 0.1135 0.112 7/8 3-1/2 4 Uncoated 9
    A51664
    $19.84
  • #20 0.1610 0.1610 7/8 2-1/2 1-1/2 0.0220 4 Uncoated 23
    A50308
    $46.02
  • 25/32 0.7813 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53506
    $44.48
  • 25/32 0.7812 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53294
    $63.73
  • 25/32 0.7813 0.624 2-1/2 9-1/2 8 Uncoated 17
    A53118
    $88.53
  • 27/64 0.4219 0.373 1-3/4 7 6 Uncoated 11
    A52906
    $56.94
  • 27/64 0.4219 0.373 1-3/4 7 6 Uncoated 24
    A52614
    $38.31
  • 0.114 0.112 7/8 3-1/2 4 Uncoated 32
    A51665
    $19.84
  • 0.1620 0.1620 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 23
    A50309
    $49.56
  • 13/16 0.8125 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53507
    $44.48
  • 13/16 0.8125 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53295
    $63.73
  • 13/16 0.8125 0.624 2-1/2 9-1/2 8 Uncoated 12
    A53119
    $88.36
  • 11.0mm 0.4331 0.373 1-3/4 7 6 Uncoated 13
    A52907
    $56.94
  • 11.0mm 0.4331 0.373 1-3/4 7 6 Uncoated 15
    A52615
    $38.31
  • 0.1145 0.112 7/8 3-1/2 4 Uncoated 14
    A51666
    $19.84
  • 0.1630 0.1630 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 11
    A50310
    $49.56
  • 27/32 0.8438 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53508
    $52.66
  • 27/32 0.8437 0.624 2-1/2 9-1/2 8 Uncoated Call
    A53296
    $75.40
  • 27/32 0.8438 0.624 2-1/2 9-1/2 8 Uncoated 6
    A53120
    $109.97
  • 0.4365 O/U 0.4365 0.373 1-3/4 7 6 Uncoated 9
    A52908
    $56.66
  • 0.4365 O/U 0.4365 0.373 1-3/4 7 6 Uncoated 24
    A52616
    $36.25
  • 0.115 0.112 7/8 3-1/2 4 Uncoated 12
    A51667
    $19.84
  • 0.1640 0.1640 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 18
    A50311
    $49.56
  • 7/8 0.8750 0.749 2-5/8 10 8 Uncoated Call
    A53509
    $53.86
  • 7/8 0.8750 0.749 2-5/8 10 8 Uncoated Call
    A53297
    $77.14
  • 7/8 0.8750 0.749 2-5/8 10 8 Uncoated 14
    A53121
    $104.40
  • 7/16 0.4375 0.373 1-3/4 7 6 Uncoated 20
    A52909
    $56.94
  • 7/16 0.4375 0.373 1-3/4 7 6 Uncoated 40
    A52617
    $36.25
  • 0.1155 0.112 7/8 3-1/2 4 Uncoated 14
    A51668
    $19.84
  • 0.1650 0.1650 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 13
    A50312
    $46.02
  • 29/32 0.9063 0.749 2-5/8 10 8 Uncoated Call
    A53510
    $58.06
  • 29/32 0.9062 0.749 2-5/8 10 8 Uncoated Call
    A53298
    $83.13
  • 29/32 0.9063 0.749 2-5/8 10 8 Uncoated 11
    A53122
    $121.06
  • 0.4385 O/U 0.4385 0.373 1-3/4 7 6 Uncoated 20
    A52910
    $56.66
  • 0.4385 O/U 0.4385 0.373 1-3/4 7 6 Uncoated 24
    A52618
    $36.25
  • 0.1165 0.112 7/8 3-1/2 4 Uncoated 11
    A51669
    $19.84
  • #19 0.1660 0.1660 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 20
    A50313
    $46.02
  • 15/16 0.9375 0.749 2-5/8 10 8 Uncoated Call
    A53511
    $58.06
  • 15/16 0.9375 0.749 2-5/8 10 8 Uncoated Call
    A53299
    $83.13
  • 15/16 0.9375 0.749 2-5/8 10 8 Uncoated 13
    A53123
    $115.24
  • 11.5mm 0.4528 0.373 1-3/4 7 6 Uncoated 39
    A52911
    $65.19
  • 11.5mm 0.4528 0.373 1-3/4 7 6 Uncoated 13
    A52619
    $41.52
  • 0.117 0.112 7/8 3-1/2 4 Uncoated 19
    A51670
    $19.84
  • 0.1670 0.1670 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 19
    A50314
    $49.56
  • 31/32 0.9688 0.749 2-5/8 10 8 Uncoated Call
    A53512
    $65.02
  • 31/32 0.9687 0.749 2-5/8 10 8 Uncoated Call
    A53300
    $93.10
  • 31/32 0.9688 0.749 2-5/8 10 8 Uncoated 11
    A53124
    $129.10
  • 29/64 0.4531 0.373 1-3/4 7 6 Uncoated 13
    A52912
    $64.98
  • 29/64 0.4531 0.373 1-3/4 7 6 Uncoated 20
    A52620
    $41.52
  • 0.1175 0.112 7/8 3-1/2 4 Uncoated 62
    A51671
    $19.84
  • 0.1680 0.1680 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 15
    A50315
    $49.56
  • 1 1.0000 0.874 2-3/4 10-1/2 8 Uncoated Call
    A53513
    $65.64
  • 1 1.0000 0.874 2-3/4 10-1/2 8 Uncoated Call
    A53301
    $93.85
  • 1 1.0000 0.874 2-3/4 10-1/2 8 Uncoated 7
    A53125
    $130.83
  • 15/32 0.4688 0.373 1-3/4 7 6 Uncoated 19
    A52913
    $65.19
  • 15/32 0.4688 0.373 1-3/4 7 6 Uncoated 13
    A52621
    $41.52
  • 0.118 0.112 7/8 3-1/2 4 Uncoated 17
    A51672
    $19.84
  • 0.1690 0.1690 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 15
    A50316
    $49.44
  • 1-1/16 1.0625 0.874 2-3/4 10-1/2 8 Uncoated Call
    A53514
    $118.05
  • 1-1/16 1.0625 0.874 2-3/4 10-1/2 8 Uncoated 23
    A53126
    $144.27
  • 12.0mm 0.4724 0.4355 2 8 6 Uncoated 13
    A52914
    $65.19
  • 12.0mm 0.4724 0.4355 2 8 6 Uncoated 60
    A52622
    $41.52
  • 0.1185 0.112 7/8 3-1/2 4 Uncoated 48
    A51673
    $19.84
  • #18 0.1695 0.1695 7/8 2-3/4 1-1/2 0.0220 4 Uncoated 9
    A50317
    $46.02
  • 1-1/8 1.1250 0.874 2-7/8 11 8 Uncoated Call
    A53515
    $77.32
  • 1-1/8 1.1250 0.874 2-7/8 11 8 Uncoated 1
    A53127
    $153.01
  • 31/64 0.4844 0.4355 2 8 6 Uncoated 12
    A52915
    $64.98
  • 31/64 0.4844 0.4355 2 8 6 Uncoated 16
    A52623
    $41.52
  • 0.119 0.112 7/8 3-1/2 4 Uncoated 28
    A51674
    $19.84
  • Total: items /

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