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
    A52512 ACT #33 0.1130 0.1055 7/8 3-1/2 4 Uncoated 16
    $18.77
  • A51563 ACT 0.051 0.051 1/2 2-1/2 4 Uncoated 16
    $26.55
  • A50207 ACT #44 0.0860 0.0860 1/2 2 7/8 0.0120 4 Uncoated 14
    $36.69
  • A53017 ACT #18 0.1695 0.1595 1-1/8 4-1/2 6 Uncoated 16
    $27.66
  • A52805 ACT #32 0.1160 0.112 7/8 3-1/2 4 Uncoated 20
    $20.54
  • A52513 ACT #32 0.1160 0.112 7/8 3-1/2 4 Uncoated 19
    $18.77
  • A51564 ACT 0.0515 0.051 1/2 2-1/2 4 Uncoated 8
    $26.55
  • A50208 ACT 0.0870 0.0870 1/2 2 7/8 0.0120 4 Uncoated 14
    $38.72
  • A78821 ACT #37 0.104 0.095 7/8 3-1/2 4 Uncoated 3
    $20.91
  • A53194 ACT 11/64 0.1645 0.1645 1-1/8 4-1/2 6 Uncoated 18
    $30.59
  • A53018 ACT 11/64 0.1719 0.1645 1-1/8 4-1/2 6 Uncoated 3
    $27.66
  • A52806 ACT 3.0mm 0.1181 0.112 7/8 3-1/2 4 Uncoated 29
    $20.54
  • A52514 ACT 3.0mm 0.1181 0.112 7/8 3-1/2 4 Uncoated 31
    $18.77
  • A51565 ACT 0.0525 0.051 1/2 2-1/2 4 Uncoated 15
    $26.55
  • A50209 ACT 0.0880 0.0880 1/2 2 7/8 0.0120 4 Uncoated 13
    $38.72
  • A53195 ACT #17 0.1645 0.1645 1-1/8 4-1/2 6 Uncoated 15
    $30.59
  • A53019 ACT #17 0.1730 0.1645 1-1/8 4-1/2 6 Uncoated 10
    $27.66
  • A52807 ACT #31 0.1200 0.112 7/8 3-1/2 4 Uncoated 20
    $20.54
  • A52515 ACT #31 0.1200 0.112 7/8 3-1/2 4 Uncoated 74
    $18.77
  • A51566 ACT 0.053 0.051 1/2 2-1/2 4 Uncoated 23
    $26.55
  • A50210 ACT #43 0.0890 0.0890 1/2 2 7/8 0.0120 4 Uncoated Available to Order*
    $36.69
  • A78822 ACT #36 0.1065 0.103 7/8 3-1/2 4 Uncoated 13
    $20.91
  • A53196 ACT #16 0.1704 0.1704 1-1/8 4-1/2 6 Uncoated 8
    $30.59
  • A53020 ACT #16 0.1770 0.1704 1-1/8 4-1/2 6 Uncoated 5
    $27.66
  • A52808 ACT 0.124 O/U 0.1240 0.119 7/8 3-1/2 4 Uncoated 22
    $20.54
  • A52516 ACT 0.124 O/U 0.1240 0.119 7/8 3-1/2 4 Uncoated 76
    $18.77
  • A51567 ACT 0.0535 0.051 1/2 2-1/2 4 Uncoated 12
    $26.55
  • A50211 ACT 0.0900 0.0900 1/2 2 7/8 0.0120 4 Uncoated 11
    $38.72
  • A53197 ACT 4.5mm 0.1704 0.1704 1-1/8 4-1/2 6 Uncoated 7
    $30.59
  • A53021 ACT 4.5mm 0.1772 0.1704 1-1/8 4-1/2 6 Uncoated 5
    $27.66
  • A52809 ACT 1/8 0.1250 0.119 7/8 3-1/2 4 Uncoated 80
    $18.39
  • A52517 ACT 1/8 0.1250 0.119 7/8 3-1/2 4 Uncoated 100
    $17.06
  • A51568 ACT 0.054 0.051 1/2 2-1/2 4 Uncoated 17
    $26.55
  • A50212 ACT 0.0910 0.0910 1/2 2 7/8 0.0120 4 Uncoated 11
    $38.72
  • A53198 ACT #15 0.1755 0.1755 1-1/8 4-1/2 6 Uncoated 9
    $30.67
  • A53022 ACT #15 0.1800 0.1755 1-1/8 4-1/2 6 Uncoated 16
    $27.66
  • A52810 ACT 0.126 O/U 0.1260 0.119 7/8 3-1/2 4 Uncoated 44
    $20.54
  • A52518 ACT 0.126 O/U 0.1260 0.119 7/8 3-1/2 4 Uncoated 100
    $18.77
  • A51569 ACT 0.0545 0.051 1/2 2-1/2 4 Uncoated 8
    $26.55
  • A50213 ACT 0.0915 0.0915 1/2 2 7/8 0.0120 4 Uncoated Available to Order*
    $50.97
  • A78823 ACT #35 0.11 0.103 7/8 3-1/2 4 Uncoated 13
    $21.64
  • A53199 ACT #14 0.1755 0.1755 1-1/8 4-1/2 6 Uncoated 5
    $30.59
  • A53023 ACT #14 0.1820 0.1755 1-1/8 4-1/2 6 Uncoated 22
    $27.66
  • A52811 ACT #30 0.1285 0.119 7/8 3-1/2 4 Uncoated 23
    $20.54
  • A52519 ACT #30 0.1285 0.119 7/8 3-1/2 4 Uncoated 62
    $18.77
  • A51570 ACT 0.0555 0.051 1/2 2-1/2 4 Uncoated 18
    $26.55
  • A50214 ACT 0.0920 0.0920 1/2 2 7/8 0.0120 4 Uncoated 82
    $38.72
  • A53200 ACT #13 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 9
    $30.59
  • A53024 ACT #13 0.1850 0.1805 1-1/8 4-1/2 6 Uncoated 13
    $27.66
  • A52812 ACT #29 0.1360 0.1275 1 4 4 Uncoated 14
    $24.45
  • A52520 ACT #29 0.1360 0.1275 1 4 4 Uncoated 37
    $22.60
  • A51571 ACT 0.056 0.051 1/2 2-1/2 4 Uncoated 14
    $26.55
  • A50215 ACT 0.0925 0.0925 1/2 2 7/8 0.0120 4 Uncoated 18
    $43.00
  • A78824 ACT #34 0.111 0.1055 7/8 3-1/2 4 Uncoated 2
    $21.64
  • A53201 ACT 0.1865 O/U 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 65
    $30.67
  • A53025 ACT 0.1865 O/U 0.1865 0.1805 1-1/8 4-1/2 6 Uncoated 8
    $27.66
  • A52813 ACT 3.5mm 0.1378 0.135 1 4 4 Uncoated 9
    $24.45
  • A52521 ACT 3.5mm 0.1378 0.135 1 4 4 Uncoated 26
    $22.60
  • A51572 ACT 0.0565 0.051 1/2 2-1/2 4 Uncoated 24
    $26.55
  • A50216 ACT 0.0930 0.0930 1/2 2 7/8 0.0120 4 Uncoated 62
    $38.72
  • A53202 ACT 3/16 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 14
    $29.15
  • A53026 ACT 3/16 0.1875 0.1805 1-1/8 4-1/2 6 Uncoated 11
    $26.13
  • A52814 ACT #28 0.1405 0.135 1 4 4 Uncoated 14
    $24.33
  • A52522 ACT #28 0.1405 0.135 1 4 4 Uncoated 14
    $22.60
  • A51573 ACT 0.057 0.051 1/2 2-1/2 4 Uncoated 23
    $26.39
  • A50217 ACT #42 0.0935 0.0935 1/2 2 7/8 0.0120 4 Uncoated 58
    $36.69
  • A78825 ACT #33 0.113 0.1055 7/8 3-1/2 4 Uncoated 3
    $21.64
  • A53203 ACT 0.1885 O/U 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 18
    $30.67
  • A53027 ACT 0.1885 O/U 0.1885 0.1805 1-1/8 4-1/2 6 Uncoated 20
    $27.66
  • A52815 ACT 9/64 0.1406 0.135 1 4 4 Uncoated 14
    $24.45
  • A52523 ACT 9/64 0.1406 0.135 1 4 4 Uncoated 23
    $22.60
  • A51574 ACT 0.0575 0.051 1/2 2-1/2 4 Uncoated 17
    $26.55
  • A50218 ACT 3/32 0.0938 0.0938 1/2 2 7/8 0.0120 4 Uncoated 14
    $35.01
  • A53204 ACT #12 0.1805 0.1805 1-1/8 4-1/2 6 Uncoated 15
    $30.67
  • A53028 ACT #12 0.1890 0.1805 1-1/8 4-1/2 6 Uncoated 16
    $27.66
  • A52816 ACT #27 0.1440 0.135 1 4 4 Uncoated 83
    $24.45
  • A52524 ACT #27 0.1440 0.135 1 4 4 Uncoated 18
    $22.60
  • A51575 ACT 0.058 0.051 1/2 2-1/2 4 Uncoated 15
    $26.55
  • A50219 ACT 0.0940 0.0940 1/2 2 7/8 0.0120 4 Uncoated 100
    $38.72
  • A78826 ACT #32 0.116 0.112 7/8 3-1/2 4 Uncoated 9
    $21.73
  • A53205 ACT #11 0.1860 0.186 1-1/4 5 6 Uncoated 10
    $34.18
  • A53029 ACT #11 0.1910 0.186 1-1/4 5 6 Uncoated 16
    $30.92
  • A52817 ACT #26 0.1470 0.143 1 4 4 Uncoated 12
    $24.45
  • A52525 ACT #26 0.1470 0.143 1 4 4 Uncoated 40
    $22.60
  • A51576 ACT 0.0585 0.051 1/2 2-1/2 4 Uncoated 13
    $26.55
  • A50220 ACT 0.0945 0.0945 1/2 2 7/8 0.0120 4 Uncoated 21
    $43.00
  • A53206 ACT #10 0.1860 0.186 1-1/4 5 6 Uncoated 23
    $34.18
  • A53030 ACT #10 0.1935 0.186 1-1/4 5 6 Uncoated 19
    $30.92
  • A52818 ACT #25 0.1495 0.143 1 4 4 Uncoated 10
    $24.45
  • A52526 ACT #25 0.1495 0.143 1 4 4 Uncoated 16
    $22.60
  • A51577 ACT 0.059 0.051 1/2 2-1/2 4 Uncoated 28
    $26.55
  • A50221 ACT 0.0950 0.0950 1/2 2 7/8 0.0120 4 Uncoated 43
    $38.72
  • A78827 ACT 3.0mm 0.1181 0.112 7/8 3-1/2 4 Uncoated 3
    $21.73
  • A53207 ACT #9 0.1895 0.1895 1-1/4 5 6 Uncoated 14
    $34.18
  • A53031 ACT #9 0.1960 0.1895 1-1/4 5 6 Uncoated 13
    $30.92
  • A52819 ACT #24 0.1520 0.146 1 4 4 Uncoated 24
    $24.45
  • A52527 ACT #24 0.1520 0.146 1 4 4 Uncoated 18
    $22.60
  • A51578 ACT 0.06 0.0585 1/2 2-1/2 4 Uncoated 30
    $26.55
  • A50222 ACT #41 0.0960 0.0960 5/8 2 7/8 0.0120 4 Uncoated Available to Order*
    $36.69
  • A53208 ACT 5.0mm 0.1895 0.1895 1-1/4 5 6 Uncoated 10
    $34.18

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

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