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
    A53544 ACT 1-1/16 1.0625 7/8 1-5/8 10-1/2 8 Uncoated 12
    $207.68
  • A53156 ACT #44 0.0810 0.081 3/4 3 4 Uncoated 13
    $23.09
  • A52980 ACT #44 0.0860 0.081 3/4 3 4 Uncoated 25
    $20.77
  • A52768 ACT 1.0mm 0.0394 0.0394 1/2 2-1/2 4 Uncoated 12
    $24.33
  • A52476 ACT 1.0mm 0.0394 0.0394 1/2 2-1/2 4 Uncoated 23
    $22.60
  • A51527 ACT 0.0255 0.026 1/2 1-1/4 3 Uncoated 19
    $30.43
  • A50171 ACT 1.5mm 0.0591 1.500 3/8 1-1/2 19mm 0.0100 4 Uncoated 16
    $38.72
  • A53776 ACT 17/32 0.5313 0.5312 3-1/8 6-1/4 8 Uncoated 8
    $91.45
  • A53666 ACT 3/8 0.3750 0.601 3/8 .4060 6-1/2 1-1/4 Uncoated 19
    $54.96
  • A53578 ACT 1-3/32 1.0938 1-5/8 10-1/2 3 8 Uncoated 9
    $226.69
  • A53157 ACT #43 0.0810 0.081 3/4 3 4 Uncoated 15
    $23.09
  • A52981 ACT #43 0.0890 0.081 3/4 3 4 Uncoated 9
    $20.87
  • A52769 ACT #60 0.0400 0.039 1/2 2-1/2 4 Uncoated 44
    $24.33
  • A52477 ACT #60 0.0400 0.039 1/2 2-1/2 4 Uncoated 18
    $22.60
  • A51528 ACT 0.0265 0.028 1/2 1-1/4 3 Uncoated 13
    $30.43
  • A50172 ACT #53 0.0595 0.0595 3/8 1-1/2 3/4 0.0100 4 Uncoated 40
    $36.69
  • A78804 ACT #52 0.0635 0.0585 1/2 2-1/2 4 Uncoated 13
    $25.90
  • A53777 ACT 9/16 0.5625 0.5625 3-1/4 6-1/2 8 Uncoated 18
    $97.79
  • A53639 ACT 7/16 0.4375 0.661 7/16 .4370 7 1-1/4 Uncoated 7
    $65.85
  • A53612 ACT 9/16 0.5625 0.5625 3-1/4 6-1/2 8 Uncoated Available to Order*
    $55.78
  • A53579 ACT 1-1/8 1.1250 1-3/4 11 3 8 Uncoated 8
    $223.31
  • A53158 ACT #42 0.0880 0.088 3/4 3 4 Uncoated 21
    $23.09
  • A52982 ACT #42 0.0935 0.088 3/4 3 4 Uncoated 14
    $20.77
  • A52770 ACT #59 0.0410 0.039 1/2 2-1/2 4 Uncoated 14
    $24.45
  • A52478 ACT #59 0.0410 0.039 1/2 2-1/2 4 Uncoated 17
    $22.60
  • A51529 ACT 0.027 0.028 1/2 1-1/4 3 Uncoated 18
    $30.43
  • A50173 ACT 0.0600 0.0600 3/8 1-1/2 3/4 0.0100 4 Uncoated 24
    $38.72
  • A53778 ACT 19/32 0.5938 0.5938 3-3/8 6-3/4 8 Uncoated 12
    $108.77
  • A53653 ACT 7/16 0.4375 0.676 7/16 .4520 7 1-1/4 Uncoated 15
    $65.85
  • A53613 ACT 19/32 0.5937 0.5938 3-3/8 6-3/4 8 Uncoated Available to Order*
    $55.78
  • 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
  • A53159 ACT 3/32 0.0880 0.088 3/4 3 4 Uncoated 16
    $23.09
  • A52983 ACT 3/32 0.0938 0.088 3/4 3 4 Uncoated 13
    $20.69
  • A52771 ACT #58 0.0420 0.039 1/2 2-1/2 4 Uncoated 14
    $24.33
  • A52479 ACT #58 0.0420 0.039 1/2 2-1/2 4 Uncoated 9
    $22.60
  • A51530 ACT 0.0275 0.028 1/2 1-1/4 3 Uncoated 12
    $30.43
  • A50174 ACT 0.0605 0.0605 3/8 1-1/2 3/4 0.0100 4 Uncoated 12
    $51.32
  • A78805 ACT #51 0.067 0.066 3/4 3 4 Uncoated 13
    $20.87
  • A53779 ACT 5/8 0.6250 0.625 3-1/2 7 8 Uncoated 17
    $105.96
  • A53667 ACT 7/16 0.4375 0.691 7/16 .4680 7 1-1/4 Uncoated 22
    $65.85
  • A53614 ACT 5/8 0.6250 0.625 3-1/2 7 8 Uncoated Available to Order*
    $65.56
  • 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
  • A53160 ACT #41 0.0928 0.0928 7/8 3-1/2 4 Uncoated 100
    $23.30
  • A52984 ACT #41 0.0960 0.0928 7/8 3-1/2 4 Uncoated 8
    $20.91
  • A52772 ACT #57 0.0430 0.039 1/2 2-1/2 4 Uncoated 19
    $24.45
  • A52480 ACT #57 0.0430 0.039 1/2 2-1/2 4 Uncoated 12
    $22.60
  • A51531 ACT 0.0285 0.0292 1/2 1-3/8 3 Uncoated 20
    $30.43
  • A50175 ACT 0.0610 0.0610 3/8 1-1/2 3/4 0.0100 4 Uncoated 18
    $38.72
  • A53780 ACT 21/32 0.6563 0.6562 3-11/16 7-3/8 8 Uncoated 5
    $120.39
  • A53640 ACT 1/2 0.5000 0.755 1/2 .5000 7-1/2 1-1/2 Uncoated 18
    $77.84
  • A53615 ACT 21/32 0.6562 0.6562 3-11/16 7-3/8 8 Uncoated Available to Order*
    $70.58
  • A53161 ACT #40 0.0928 0.0928 7/8 3-1/2 4 Uncoated 11
    $23.17
  • A52985 ACT #40 0.0980 0.0928 7/8 3-1/2 4 Uncoated 13
    $20.91
  • A52773 ACT #56 0.0465 0.0455 1/2 2-1/2 4 Uncoated 14
    $24.45
  • A52481 ACT #56 0.0465 0.0455 1/2 2-1/2 4 Uncoated 17
    $22.60
  • A51532 ACT 0.029 0.0292 1/2 1-3/8 3 Uncoated 17
    $30.43
  • A50176 ACT 0.0615 0.0615 3/8 1-1/2 3/4 0.0100 4 Uncoated 8
    $43.00
  • A78806 ACT #50 0.07 0.066 3/4 3 4 Uncoated 13
    $20.77
  • A53781 ACT 11/16 0.6875 0.6875 3-7/8 7-3/4 8 Uncoated 14
    $117.51
  • A53654 ACT 1/2 0.5000 0.771 1/2 .5150 7-1/2 1-1/2 Uncoated 10
    $77.30
  • A53616 ACT 11/16 0.6875 0.6875 3-7/8 7-3/4 8 Uncoated Available to Order*
    $75.94
  • A53550 ACT 1-1/4 1.2500 1 1-7/8 11-1/2 8 Uncoated 15
    $338.70
  • A53162 ACT 2.5mm 0.0928 0.0928 7/8 3-1/2 4 Uncoated 12
    $23.17
  • A52986 ACT 2.5mm 0.0984 0.0928 7/8 3-1/2 4 Uncoated 13
    $20.91
  • A52774 ACT 3/64 0.0469 0.0455 1/2 2-1/2 4 Uncoated 16
    $24.33
  • A52482 ACT 3/64 0.0469 0.0455 1/2 2-1/2 4 Uncoated 16
    $22.60
  • A51533 ACT 0.0295 0.031 1/2 1-3/8 3 Uncoated 7
    $27.70
  • A50177 ACT 0.0620 0.0620 3/8 1-1/2 3/4 0.0100 4 Uncoated 55
    $38.72
  • A53782 ACT 23/32 0.7188 0.7188 4-1/16 8-1/8 8 Uncoated 14
    $128.68
  • A53668 ACT 1/2 0.5000 0.787 1/2 .5310 7-1/2 1-1/2 Uncoated 15
    $77.30
  • A53617 ACT 23/32 0.7187 0.7188 4-1/16 8-1/8 8 Uncoated Available to Order*
    $88.94
  • A53163 ACT #39 0.0928 0.0928 7/8 3-1/2 4 Uncoated 16
    $23.30
  • A52987 ACT #39 0.0995 0.0928 7/8 3-1/2 4 Uncoated 13
    $20.91
  • A52775 ACT #55 0.0520 0.051 1/2 2-1/2 4 Uncoated 23
    $24.45
  • A52483 ACT #55 0.0520 0.051 1/2 2-1/2 4 Uncoated 20
    $22.60
  • A51534 ACT 0.03 0.031 1/2 1-3/8 3 Uncoated 27
    $27.70
  • A50178 ACT 1/16 0.0625 0.0625 3/8 1-1/2 3/4 0.0100 4 Uncoated 89
    $35.01
  • A78807 ACT #49 0.073 0.066 3/4 3 4 Uncoated 18
    $20.87
  • A53783 ACT 3/4 0.7500 0.75 4-3/16 8-3/8 8 Uncoated 10
    $123.57
  • A53641 ACT 5/8 0.6250 0.943 5/8 .6250 7-5/8 1-1/2 Uncoated 15
    $126.42
  • A53618 ACT 3/4 0.7500 0.75 4-3/16 8-3/8 8 Uncoated Available to Order*
    $84.48
  • 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
  • A53164 ACT #38 0.0950 0.095 7/8 3-1/2 4 Uncoated 23
    $23.17
  • A52988 ACT #38 0.1015 0.095 7/8 3-1/2 4 Uncoated 16
    $20.91
  • A52776 ACT #54 0.0550 0.051 1/2 2-1/2 4 Uncoated 13
    $24.45
  • A52484 ACT #54 0.0550 0.051 1/2 2-1/2 4 Uncoated 34
    $22.60
  • A51535 ACT 0.0305 0.031 1/2 1-3/8 3 Uncoated 6
    $27.70
  • A50179 ACT 0.0630 0.0630 3/8 1-1/2 3/4 0.0100 4 Uncoated 88
    $38.72
  • A53784 ACT 25/32 0.7813 0.7812 4-3/8 8-3/4 8 Uncoated 21
    $135.53
  • A53655 ACT 5/8 0.6250 0.959 5/8 .6400 7-5/8 1-1/2 Uncoated 15
    $132.68
  • 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
  • A53165 ACT #37 0.0950 0.095 7/8 3-1/2 4 Uncoated 7
    $23.17
  • A52989 ACT #37 0.1040 0.095 7/8 3-1/2 4 Uncoated 8
    $20.91
  • A52777 ACT 1.5mm 0.0591 0.051 1/2 2-1/2 4 Uncoated 13
    $24.45
  • A52485 ACT 1.5mm 0.0591 0.051 1/2 2-1/2 4 Uncoated 10
    $22.60
  • A51536 ACT 0.0315 0.032 1/2 1-3/8 3 Uncoated 65
    $27.70

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

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