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
    A53023 ACT #14 0.1820 0.1755 1-1/8 4-1/2 6 Uncoated 22
    $26.72
  • A52811 ACT #30 0.1285 0.119 7/8 3-1/2 4 Uncoated 20
    $19.84
  • A52519 ACT #30 0.1285 0.119 7/8 3-1/2 4 Uncoated 84
    $18.14
  • A51570 ACT 0.0555 0.051 1/2 2-1/2 4 Uncoated 18
    $25.66
  • A50214 ACT 0.0920 0.0920 1/2 2 7/8 0.0120 4 Uncoated 82
    $34.73
  • A53200 ACT #13 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 9
    $29.57
  • A53024 ACT #13 0.1850 0.1805 1-1/8 4-1/2 6 Uncoated 13
    $26.72
  • A52812 ACT #29 0.1360 0.1275 1 4 4 Uncoated 17
    $23.63
  • A52520 ACT #29 0.1360 0.1275 1 4 4 Uncoated 39
    $21.81
  • A51571 ACT 0.056 0.051 1/2 2-1/2 4 Uncoated 24
    $25.66
  • A50215 ACT 0.0925 0.0925 1/2 2 7/8 0.0120 4 Uncoated 18
    $38.56
  • A78824 ACT #34 0.111 0.1055 7/8 3-1/2 4 Uncoated 2
    $19.91
  • A53201 ACT 0.1865 O/U 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 68
    $29.65
  • A53025 ACT 0.1865 O/U 0.1865 0.1805 1-1/8 4-1/2 6 Uncoated 13
    $26.72
  • A52813 ACT 3.5mm 0.1378 0.135 1 4 4 Uncoated 9
    $23.63
  • A52521 ACT 3.5mm 0.1378 0.135 1 4 4 Uncoated 29
    $21.81
  • A51572 ACT 0.0565 0.051 1/2 2-1/2 4 Uncoated 12
    $25.66
  • A50216 ACT 0.0930 0.0930 1/2 2 7/8 0.0120 4 Uncoated 44
    $34.73
  • A53202 ACT 3/16 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 14
    $28.17
  • A53026 ACT 3/16 0.1875 0.1805 1-1/8 4-1/2 6 Uncoated 15
    $25.28
  • A52814 ACT #28 0.1405 0.135 1 4 4 Uncoated 10
    $23.50
  • A52522 ACT #28 0.1405 0.135 1 4 4 Uncoated 16
    $21.81
  • A51573 ACT 0.057 0.051 1/2 2-1/2 4 Uncoated 16
    $25.48
  • A50217 ACT #42 0.0935 0.0935 1/2 2 7/8 0.0120 4 Uncoated 25
    $32.90
  • A78825 ACT #33 0.113 0.1055 7/8 3-1/2 4 Uncoated 3
    $19.91
  • A53203 ACT 0.1885 O/U 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 18
    $29.65
  • A53027 ACT 0.1885 O/U 0.1885 0.1805 1-1/8 4-1/2 6 Uncoated 24
    $26.72
  • A52815 ACT 9/64 0.1406 0.135 1 4 4 Uncoated 15
    $23.63
  • A52523 ACT 9/64 0.1406 0.135 1 4 4 Uncoated 24
    $21.81
  • A51574 ACT 0.0575 0.051 1/2 2-1/2 4 Uncoated 17
    $25.66
  • A50218 ACT 3/32 0.0938 0.0938 1/2 2 7/8 0.0120 4 Uncoated 15
    $31.39
  • A53204 ACT #12 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 15
    $29.65
  • A53028 ACT #12 0.1890 0.1805 1-1/8 4-1/2 6 Uncoated 16
    $26.72
  • A52816 ACT #27 0.1440 0.135 1 4 4 Uncoated 86
    $23.63
  • A52524 ACT #27 0.1440 0.135 1 4 4 Uncoated 18
    $21.81
  • A51575 ACT 0.058 0.051 1/2 2-1/2 4 Uncoated 15
    $25.66
  • A50219 ACT 0.0940 0.0940 1/2 2 7/8 0.0120 4 Uncoated 100
    $34.73
  • A78826 ACT #32 0.116 0.112 7/8 3-1/2 4 Uncoated 9
    $20.00
  • A53205 ACT #11 0.1860 0.186 1-1/4 5 6 Uncoated 10
    $33.04
  • A53029 ACT #11 0.1910 0.186 1-1/4 5 6 Uncoated 16
    $29.90
  • A52817 ACT #26 0.1470 0.143 1 4 4 Uncoated 12
    $23.63
  • A52525 ACT #26 0.1470 0.143 1 4 4 Uncoated 40
    $21.81
  • A51576 ACT 0.0585 0.051 1/2 2-1/2 4 Uncoated 18
    $25.66
  • A50220 ACT 0.0945 0.0945 1/2 2 7/8 0.0120 4 Uncoated 29
    $38.56
  • A53206 ACT #10 0.1860 0.186 1-1/4 5 6 Uncoated 23
    $33.04
  • A53030 ACT #10 0.1935 0.186 1-1/4 5 6 Uncoated 19
    $29.90
  • A52818 ACT #25 0.1495 0.143 1 4 4 Uncoated 10
    $23.63
  • A52526 ACT #25 0.1495 0.143 1 4 4 Uncoated 16
    $21.81
  • A51577 ACT 0.059 0.051 1/2 2-1/2 4 Uncoated 28
    $25.66
  • A50221 ACT 0.0950 0.0950 1/2 2 7/8 0.0120 4 Uncoated 52
    $34.73
  • A78827 ACT 3.0mm 0.1181 0.112 7/8 3-1/2 4 Uncoated 3
    $20.00
  • A53207 ACT #9 0.1895 0.1895 1-1/4 5 6 Uncoated 14
    $33.04
  • A53031 ACT #9 0.1960 0.1895 1-1/4 5 6 Uncoated 13
    $29.90
  • A52819 ACT #24 0.1520 0.146 1 4 4 Uncoated 24
    $23.63
  • A52527 ACT #24 0.1520 0.146 1 4 4 Uncoated 18
    $21.81
  • A51578 ACT 0.06 0.0585 1/2 2-1/2 4 Uncoated 34
    $25.66
  • A50222 ACT #41 0.0960 0.0960 5/8 2 7/8 0.0120 4 Uncoated Available to Order*
    $32.90
  • A53208 ACT 5.0mm 0.1895 0.1895 1-1/4 5 6 Uncoated 10
    $33.04
  • A53032 ACT 5.0mm 0.1969 0.1895 1-1/4 5 6 Uncoated 7
    $29.90
  • A52820 ACT #23 0.1540 0.146 1 4 4 Uncoated 26
    $23.63
  • A52528 ACT #23 0.1540 0.146 1 4 4 Uncoated 16
    $21.81
  • A51579 ACT 0.0605 0.0585 1/2 2-1/2 4 Uncoated 100
    $25.66
  • A50223 ACT 0.0970 0.0970 5/8 2 1-1/8 0.0150 4 Uncoated 29
    $34.73
  • A78828 ACT #31 0.12 0.112 7/8 3-1/2 4 Uncoated 13
    $20.00
  • A53209 ACT #8 0.1895 0.1895 1-1/4 5 6 Uncoated 100
    $33.04
  • A53033 ACT #8 0.1990 0.1895 1-1/4 5 6 Uncoated 5
    $29.90
  • A52821 ACT 5/32 0.1563 0.151 1 4 4 Uncoated 16
    $23.63
  • A52529 ACT 5/32 0.1562 0.151 1 4 4 Uncoated 35
    $21.81
  • A51580 ACT 0.061 0.0585 1/2 2-1/2 4 Uncoated 23
    $25.66
  • A50224 ACT #40 0.0980 0.0980 5/8 2 1-1/8 0.0150 4 Uncoated 18
    $32.90
  • A53210 ACT #7 0.1895 0.1895 1-1/4 5 6 Uncoated 7
    $33.04
  • A53034 ACT #7 0.2010 0.1895 1-1/4 5 6 Uncoated 13
    $29.90
  • A52822 ACT #22 0.1570 0.151 1 4 6 Uncoated 32
    $23.63
  • A52530 ACT #22 0.1570 0.151 1 4 6 Uncoated 55
    $21.81
  • A51581 ACT 0.0615 0.0585 1/2 2-1/2 4 Uncoated 85
    $25.66
  • A50225 ACT 2.5mm 0.0984 2.500 5/8 2 38mm 0.0150 4 Uncoated 17
    $34.73
  • A78829 ACT .124 O/U 0.124 0.119 7/8 3-1/2 4 Uncoated 13
    $20.00
  • A53211 ACT 13/64 0.1945 0.1945 1-1/4 5 6 Uncoated 10
    $33.04
  • A53035 ACT 13/64 0.2031 0.1945 1-1/4 5 6 Uncoated 16
    $29.90
  • A52823 ACT 4.0mm 0.1575 0.151 1 4 6 Uncoated 16
    $23.63
  • A52531 ACT 4.0mm 0.1575 0.151 1 4 6 Uncoated 100
    $21.81
  • A51582 ACT 0.062 0.0585 1/2 2-1/2 4 Uncoated 60
    $25.66
  • A50226 ACT 0.0990 0.0990 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 50
    $34.73
  • A53212 ACT #6 0.1945 0.1945 1-1/4 5 6 Uncoated 6
    $33.04
  • A53036 ACT #6 0.2040 0.1945 1-1/4 5 6 Uncoated 16
    $29.90
  • A52824 ACT #21 0.1590 0.153 1-1/8 4-1/2 6 Uncoated 100
    $25.07
  • A52532 ACT #21 0.1590 0.153 1-1/8 4-1/2 6 Uncoated 27
    $23.30
  • A51583 ACT 0.063 0.0585 1/2 2-1/2 4 Uncoated 100
    $22.97
  • A50227 ACT #39 0.0995 0.0995 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 13
    $32.90
  • A53213 ACT #5 0.2016 0.2016 1-1/4 5 6 Uncoated 4
    $33.04
  • A53037 ACT #5 0.2055 0.2016 1-1/4 5 6 Uncoated 24
    $29.90
  • A52825 ACT #20 0.1610 0.153 1-1/8 4-1/2 6 Uncoated 17
    $25.07
  • A52533 ACT #20 0.1610 0.153 1-1/8 4-1/2 6 Uncoated 28
    $23.30
  • A51584 ACT 0.064 0.066 3/4 3 4 Uncoated 64
    $22.97
  • A50228 ACT 0.1000 0.1000 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 40
    $34.73
  • A78752 ACT .126 O/U 0.126 0.119 7/8 3-1/2 4 Uncoated 11
    $20.00
  • A53214 ACT #4 0.2016 0.2016 1-1/4 5 6 Uncoated 78
    $33.04
  • A53038 ACT #4 0.2090 0.2016 1-1/4 5 6 Uncoated 13
    $29.90
  • A52826 ACT #19 0.1660 0.1595 1-1/8 4-1/2 6 Uncoated 69
    $25.07
  • A52534 ACT #19 0.1660 0.1595 1-1/8 4-1/2 6 Uncoated 29
    $23.30

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

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