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
    A55782 ACT 15/16 0.9375 1-7/16 5 7 1-7/16 5 Black & Gold 100
    $196.18
  • A55783 ACT 1-1/16 1.0625 1-5/8 5 7 1-5/8 5 Black & Gold 100
    $259.87
  • A57579 ACT 1-3/16 1.1875 1-13/16 5 7 1-13/16 5 Black & Gold 100
    $334.75
  • A53802 ACT 1 1.2120 1.125 1-3/4 3-3/4 1.1030 1.212 .8430 8 Uncoated 13
    $218.27
  • A53741 ACT 1-1/16 1.0625 7-3/8 12 3 0.7500 5 Uncoated 22
    $186.57
  • A53853 ACT 1-1/8 1.1250 7-3/8 12 3 0.8125 5 Uncoated 21
    $228.29
  • A53854 ACT 1-3/16 1.1875 7-3/8 12 3 0.8750 5 Uncoated 12
    $293.60
  • A53567 ACT 3/4 0.7500 1-3/8 9-1/2 2 6 Uncoated 12
    $189.25
  • A53855 ACT 1-1/4 1.2500 7-3/8 13 4 0.9375 5 Uncoated 17
    $334.53
  • A53856 ACT 1-5/16 1.3125 7-3/8 13 4 1.0000 5 Uncoated 13
    $286.80
  • A53571 ACT 7/8 0.8750 1-1/2 10 2 8 Uncoated 12
    $220.74
  • A53712 ACT #12 1.0500 3/4 10 13-7/8 0.842 1.05 8 Uncoated 6
    $194.90
  • A53691 ACT #12 1.0500 3/4 10 13-7/8 0.842 1.05 8 Uncoated 12
    $223.39
  • A53692 ACT #13 1.2590 1-1/16 12 16 1.009 1.259 10 Uncoated 1
    $312.44
  • A78689 ACT 1/2 0.5 0.5 1-1/2 4 6 Uncoated 16
    $221.37
  • A53575 ACT 1 1.0000 1-5/8 10-1/2 3 8 Uncoated 16
    $262.34
  • A53542 ACT 1 1.0000 7/8 1-5/8 10-1/2 8 Uncoated 13
    $247.22
  • A53576 ACT 1-1/32 1.0313 1-5/8 10-1/2 3 8 Uncoated 9
    $197.33
  • A53544 ACT 1-1/16 1.0625 7/8 1-5/8 10-1/2 8 Uncoated 12
    $207.68
  • A53578 ACT 1-3/32 1.0938 1-5/8 10-1/2 3 8 Uncoated 9
    $226.69
  • A53579 ACT 1-1/8 1.1250 1-3/4 11 3 8 Uncoated 8
    $223.31
  • A53580 ACT 1-5/32 1.1563 1-3/4 11 3 8 Uncoated 1
    $244.00
  • A53547 ACT 1-5/32 1.1563 7/8 1-3/4 11 8 Uncoated 10
    $230.26
  • A53581 ACT 1-3/16 1.1875 1-3/4 11 3 8 Uncoated 10
    $253.64
  • A53548 ACT 1-3/16 1.1875 1 1-3/4 11 8 Uncoated 9
    $227.80
  • A53550 ACT 1-1/4 1.2500 1 1-7/8 11-1/2 8 Uncoated 15
    $338.70
  • A53585 ACT 1-3/8 1.3750 2 12 4 8 Uncoated 5
    $283.88
  • A53552 ACT 1-3/8 1.3750 1 2 12 8 Uncoated 1
    $262.71
  • A53586 ACT 1-7/16 1.4375 2 12 4 8 Uncoated 5
    $300.23
  • A53553 ACT 1-7/16 1.4375 1-1/4 2 12 8 Uncoated 10
    $286.30
  • A53790 ACT 31/32 0.9688 0.9688 5-5/16 10-5/8 8 Uncoated 7
    $182.04
  • A53792 ACT 1-1/8 1.1250 1.125 5-13/16 11-5/8 8 Uncoated 9
    $237.03
  • A53793 ACT 1-1/4 1.2500 1.25 6-1/8 12-1/4 8 Uncoated 17
    $291.04
  • A53794 ACT 1-3/8 1.3750 1.375 6-5/16 12-5/8 10 Uncoated 10
    $344.06
  • A53629 ACT 1-3/8 1.3750 1.375 6-5/16 12-5/8 10 Uncoated Available to Order*
    $240.49
  • A53128 ACT 1-3/16 1.1875 0.999 2-7/8 11 8 Uncoated 3
    $185.38
  • A53129 ACT 1-1/4 1.2500 0.999 3 11-1/2 8 Uncoated 13
    $196.18
  • A53130 ACT 1-5/16 1.3125 0.999 3 11-1/2 10 Uncoated 5
    $229.32
  • A53131 ACT 1-3/8 1.3750 0.999 3-1/4 12 10 Uncoated 13
    $240.49
  • A53133 ACT 1-1/2 1.5000 1.249 3-1/2 12-1/2 10 Uncoated Available to Order*
    $276.49
  • A52705 ACT 1-5/32 1.1562 0.999 2-7/8 11 10 Uncoated 17
    $204.01
  • A52707 ACT 1-7/32 1.2188 0.999 3 11-1/2 10 Uncoated 16
    $213.77
  • A52709 ACT 1-9/32 1.2812 0.999 3 11-1/2 10 Uncoated 13
    $243.71
  • A52710 ACT 1-5/16 1.3125 0.999 3 11-1/2 10 Uncoated 12
    $207.96
  • A52711 ACT 1-11/32 1.3438 0.999 3-1/4 12 10 Uncoated 15
    $252.21
  • A52712 ACT 1-3/8 1.3750 0.999 3-1/4 12 10 Uncoated 13
    $218.97
  • A52713 ACT 1-13/32 1.4062 1.249 3-1/4 12 10 Uncoated 9
    $268.74
  • A52714 ACT 1-7/16 1.4375 1.249 3-1/4 12 10 Uncoated 7
    $233.24
  • A52715 ACT 1-15/32 1.4688 1.249 3-1/2 12-1/2 10 Uncoated 14
    $286.63
  • A52716 ACT 1-1/2 1.5000 1.249 3-1/2 12-1/2 10 Uncoated 21
    $251.96
  • A78705 ACT 1-3/16 1.1875 0.999 2-7/8 11 10 Uncoated 13
    $185.38
  • A78706 ACT 1-1/4 1.25 0.999 3 11-1/2 10 Uncoated 10
    $196.18
  • A78707 ACT 1-5/16 1.3125 0.999 3 11-1/2 10 Uncoated 3
    $229.32
  • A78708 ACT 1-7/16 1.4375 1.249 3-1/4 12 10 Uncoated 3
    $257.28
  • A78709 ACT 1-1/2 1.5 1.249 3-1/2 12-1/2 12 Uncoated 14
    $276.49
  • A50630 ACT 0.4385 0.4385 1-3/8 4 2-1/4 0.0450 6 Uncoated 17
    $201.77
  • A50633 ACT 0.4410 0.4410 1-3/8 4 2-1/4 0.0450 6 Uncoated 10
    $192.46
  • A50634 ACT 0.4420 0.4420 1-3/8 4 2-1/4 0.0450 6 Uncoated 5
    $192.46
  • A50635 ACT 0.4430 0.4430 1-3/8 4 2-1/4 0.0450 6 Uncoated 12
    $192.46
  • A50636 ACT 0.4440 0.4440 1-3/8 4 2-1/4 0.0450 6 Uncoated 18
    $191.60
  • A50637 ACT 0.4450 0.4450 1-3/8 4 2-1/4 0.0450 6 Uncoated 14
    $192.46
  • A50638 ACT 0.4460 0.4460 1-3/8 4 2-1/4 0.0450 6 Uncoated 5
    $191.60
  • A50639 ACT 0.4470 0.4470 1-3/8 4 2-1/4 0.0450 6 Uncoated 11
    $191.60
  • A50640 ACT 0.4480 0.4480 1-3/8 4 2-1/4 0.0450 6 Uncoated 14
    $191.60
  • A50641 ACT 0.4490 0.4490 1-3/8 4 2-1/4 0.0450 6 Uncoated 9
    $191.60
  • A50642 ACT 0.4500 0.4500 1-3/8 4 2-1/4 0.0450 6 Uncoated 15
    $191.60
  • A50643 ACT 0.4510 0.4510 1-3/8 4 2-1/4 0.0450 6 Uncoated 15
    $191.60
  • A50644 ACT 0.4520 0.4520 1-3/8 4 2-1/4 0.0450 6 Uncoated 9
    $191.60
  • A50645 ACT 11.5mm 0.4528 11.500 1-3/8 4 57mm 0.0450 6 Uncoated 10
    $191.60
  • A50648 ACT 0.4540 0.4540 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $191.60
  • A50649 ACT 0.4550 0.4550 1-3/8 4 2-1/4 0.0450 6 Uncoated 9
    $191.60
  • A50650 ACT 0.4560 0.4560 1-3/8 4 2-1/4 0.0450 6 Uncoated 6
    $191.60
  • A50651 ACT 0.4570 0.4570 1-3/8 4 2-1/4 0.0450 6 Uncoated 21
    $191.60
  • A50652 ACT 0.4580 0.4580 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $191.60
  • A50653 ACT 0.4590 0.4590 1-3/8 4 2-1/4 0.0450 6 Uncoated 12
    $191.60
  • A50654 ACT 0.4600 0.4600 1-3/8 4 2-1/4 0.0450 6 Uncoated 5
    $191.60
  • A50655 ACT 0.4610 0.4610 1-3/8 4 2-1/4 0.0450 6 Uncoated 15
    $191.60
  • A50656 ACT 0.4620 0.4620 1-3/8 4 2-1/4 0.0450 6 Uncoated 10
    $191.60
  • A50657 ACT 0.4630 0.4630 1-3/8 4 2-1/4 0.0450 6 Uncoated 7
    $191.60
  • A50658 ACT 0.4640 0.4640 1-3/8 4 2-1/4 0.0450 6 Uncoated 14
    $191.60
  • A50659 ACT 0.4650 0.4650 1-3/8 4 2-1/4 0.0450 6 Uncoated 18
    $191.60
  • A50660 ACT 0.4660 0.4660 1-3/8 4 2-1/4 0.0450 6 Uncoated 5
    $191.60
  • A50661 ACT 0.4670 0.4670 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $191.60
  • A50662 ACT 0.4680 0.4680 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $192.46
  • A50664 ACT 0.4690 0.4690 1-3/8 4 2-1/4 0.0450 6 Uncoated 9
    $201.91
  • A50665 ACT 0.4700 0.4700 1-3/8 4 2-1/4 0.0450 6 Uncoated 13
    $201.91
  • A50666 ACT 0.4710 0.4710 1-3/8 4 2-1/4 0.0450 6 Uncoated 13
    $201.91
  • A50667 ACT 0.4720 0.4720 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $202.81
  • A50668 ACT 12.0mm 0.4724 12.000 1-3/8 4 57mm 0.0450 6 Uncoated 12
    $224.41
  • A50669 ACT 0.4730 0.4730 1-3/8 4 2-1/4 0.0450 6 Uncoated 16
    $202.81
  • A50670 ACT 0.4740 0.4740 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $201.91
  • A50671 ACT 0.4750 0.4750 1-3/8 4 2-1/4 0.0450 6 Uncoated 8
    $201.91
  • A50672 ACT 0.4760 0.4760 1-1/2 4 2-1/4 0.0450 6 Uncoated 10
    $202.81
  • A50673 ACT 0.4770 0.4770 1-1/2 4 2-1/4 0.0450 6 Uncoated 8
    $201.91
  • A50674 ACT 0.4780 0.4780 1-1/2 4 2-1/4 0.0450 6 Uncoated 9
    $201.91
  • A50675 ACT 0.4790 0.4790 1-1/2 4 2-1/2 0.0450 6 Uncoated 12
    $201.91
  • A50676 ACT 0.4800 0.4800 1-1/2 4 2-1/2 0.0450 6 Uncoated 5
    $201.91
  • A50677 ACT 0.4810 0.4810 1-1/2 4 2-1/2 0.0450 6 Uncoated 6
    $201.91
  • A50678 ACT 0.4820 0.4820 1-1/2 4 2-1/2 0.0450 6 Uncoated 12
    $201.91
  • A50679 ACT 0.4830 0.4830 1-1/2 4 2-1/2 0.0450 6 Uncoated 2
    $201.91

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

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