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
    A51753 ACT 0.1665 0.1595 1-1/8 4-1/2 6 Uncoated 20
    $27.70
  • A50397 ACT 0.2360 0.2360 1 3 1-3/4 0.0250 4 Uncoated 17
    $73.35
  • A78748 ACT X 0.397 0.3105 1-3/4 7 6 Uncoated 14
    $41.84
  • A52703 ACT 1-3/32 1.0938 0.874 2-7/8 11 8 Uncoated 11
    $179.14
  • A51754 ACT 0.167 0.1595 1-1/8 4-1/2 6 Uncoated 22
    $27.70
  • A50398 ACT 6.0mm 0.2362 6.000 1 3 44mm 0.0250 4 Uncoated 5
    $70.17
  • A52704 ACT 1-1/8 1.1250 0.874 2-7/8 11 8 Uncoated 17
    $143.56
  • A51755 ACT 0.1675 0.1595 1-1/8 4-1/2 6 Uncoated 8
    $27.70
  • A50399 ACT 0.2370 0.2370 1 3 1-3/4 0.0250 4 Uncoated 17
    $73.35
  • A78749 ACT Y 0.404 0.3105 1-3/4 7 6 Uncoated 3
    $43.41
  • A52705 ACT 1-5/32 1.1562 0.999 2-7/8 11 10 Uncoated 17
    $204.01
  • A51756 ACT 0.168 0.1595 1-1/8 4-1/2 6 Uncoated 11
    $27.70
  • A50400 ACT B 0.2380 0.2380 1 3 1-3/4 0.0250 4 Uncoated 17
    $73.35
  • A52706 ACT 1-3/16 1.1875 0.999 2-7/8 11 10 Uncoated 15
    $169.04
  • A51757 ACT 0.1685 0.1595 1-1/8 4-1/2 6 Uncoated 19
    $27.70
  • A50401 ACT 0.2390 0.2390 1 3 1-3/4 0.0250 4 Uncoated 19
    $73.35
  • A78750 ACT 13/32 0.4063 0.3105 1-3/4 7 6 Uncoated 12
    $43.41
  • A52707 ACT 1-7/32 1.2188 0.999 3 11-1/2 10 Uncoated 16
    $213.77
  • A51758 ACT 0.169 0.1595 1-1/8 4-1/2 6 Uncoated 18
    $27.70
  • A50402 ACT 0.2400 0.2400 1 3 1-3/4 0.0250 4 Uncoated 11
    $73.35
  • A52708 ACT 1-1/4 1.2500 0.999 3 11-1/2 10 Uncoated 14
    $178.86
  • A51759 ACT 0.17 0.1645 1-1/8 4-1/2 6 Uncoated 26
    $27.70
  • A50403 ACT 0.2410 0.2410 1 3 1-3/4 0.0250 4 Uncoated 11
    $73.35
  • A78751 ACT Z 0.413 0.373 1-3/4 7 6 Uncoated 10
    $43.41
  • A52709 ACT 1-9/32 1.2812 0.999 3 11-1/2 10 Uncoated 13
    $243.71
  • A51760 ACT 0.1705 0.1645 1-1/8 4-1/2 6 Uncoated 12
    $27.70
  • A50404 ACT C 0.2420 0.2420 1 3 1-3/4 0.0250 4 Uncoated 12
    $73.35
  • A52710 ACT 1-5/16 1.3125 0.999 3 11-1/2 10 Uncoated 12
    $207.96
  • A51761 ACT 0.171 0.1645 1-1/8 4-1/2 6 Uncoated 17
    $27.70
  • A50405 ACT 0.2430 0.2430 1 3 1-3/4 0.0250 4 Uncoated 16
    $73.35
  • A78690 ACT 10.5mm 0.4134 0.373 1-3/4 7 6 Uncoated 3
    $43.41
  • A52711 ACT 1-11/32 1.3438 0.999 3-1/4 12 10 Uncoated 15
    $252.21
  • A51762 ACT 0.1715 0.1645 1-1/8 4-1/2 6 Uncoated 16
    $27.70
  • A50406 ACT 0.2440 0.2440 1 3 1-3/4 0.0250 4 Uncoated Available to Order*
    $73.35
  • A52712 ACT 1-3/8 1.3750 0.999 3-1/4 12 10 Uncoated 13
    $218.97
  • A51763 ACT 0.172 0.1645 1-1/8 4-1/2 6 Uncoated 16
    $26.05
  • A50407 ACT 0.2450 0.2450 1 3 1-3/4 0.0250 4 Uncoated 17
    $73.35
  • A78691 ACT 27/64 0.4219 0.373 1-3/4 7 6 Uncoated 12
    $43.62
  • A52713 ACT 1-13/32 1.4062 1.249 3-1/4 12 10 Uncoated 9
    $268.74
  • A51764 ACT 0.1725 0.1645 1-1/8 4-1/2 6 Uncoated 20
    $26.05
  • A50408 ACT D 0.2460 0.2460 1 3 1-3/4 0.0250 4 Uncoated 22
    $73.35
  • A52714 ACT 1-7/16 1.4375 1.249 3-1/4 12 10 Uncoated 7
    $233.24
  • A51765 ACT 0.1735 0.1704 1-1/8 4-1/2 6 Uncoated 14
    $26.05
  • A50409 ACT 0.2470 0.2470 1 3 1-3/4 0.0250 4 Uncoated 10
    $73.35
  • A78692 ACT 11.0mm 0.4331 0.373 1-3/4 7 6 Uncoated 13
    $43.41
  • A52715 ACT 1-15/32 1.4688 1.249 3-1/2 12-1/2 10 Uncoated 14
    $286.63
  • A51766 ACT 0.174 0.1704 1-1/8 4-1/2 6 Uncoated 15
    $26.05
  • A50410 ACT 0.2480 0.2480 1 3 1-3/4 0.0250 4 Uncoated 19
    $73.35
  • A52716 ACT 1-1/2 1.5000 1.249 3-1/2 12-1/2 10 Uncoated 21
    $251.96
  • A51767 ACT 0.1745 0.1704 1-1/8 4-1/2 6 Uncoated 5
    $26.05
  • A50411 ACT 0.2485 0.2485 1 3 1-3/4 0.0250 4 Uncoated 18
    $82.46
  • A78693 ACT .4365 O/U 0.4365 0.373 1-3/4 7 6 Uncoated 12
    $43.62
  • A53310 ACT 1-9/16 1.5625 1.249 3-1/2 13 12 Uncoated 3
    $360.31
  • A51768 ACT 0.175 0.1704 1-1/8 4-1/2 6 Uncoated 16
    $26.05
  • A50412 ACT 0.2490 0.2490 1 3 1-3/4 0.0250 4 Uncoated 18
    $73.35
  • A53311 ACT 1-5/8 1.6250 1.249 3-1/2 13 12 Uncoated 6
    $360.31
  • A51769 ACT 0.1755 0.1704 1-1/8 4-1/2 6 Uncoated 22
    $26.05
  • A50413 ACT 0.2495 0.2495 1 3 1-3/4 0.0250 4 Uncoated 100
    $77.96
  • A53312 ACT 1-11/16 1.6875 1.249 4 13-1/2 12 Uncoated Available to Order*
    $413.66
  • A51770 ACT 0.176 0.1704 1-1/8 4-1/2 6 Uncoated 22
    $26.05
  • A50414 ACT 1/4 0.2500 0.2500 1 3 1-3/4 0.0250 4 Uncoated Available to Order*
    $65.97
  • A78694 ACT .4385 O/U 0.4385 0.373 1-3/4 7 6 Uncoated 6
    $43.41
  • A53313 ACT 1-3/4 1.7500 1.249 4 13-1/2 12 Uncoated 4
    $450.56
  • A51771 ACT 0.1765 0.1704 1-1/8 4-1/2 6 Uncoated 10
    $25.97
  • A50415 ACT 0.2505 0.2505 1 3 1-3/4 0.0250 4 Uncoated 100
    $77.96
  • A53314 ACT 1-13/16 1.8125 1.499 4 14 12 Uncoated 15
    $518.55
  • A51772 ACT 0.1775 0.1755 1-1/8 4-1/2 6 Uncoated 19
    $26.05
  • A50416 ACT 0.2510 0.2510 1 3 1-3/4 0.0250 4 Uncoated 56
    $73.35
  • A78695 ACT 11.5mm 0.4528 0.373 1-3/4 7 6 Uncoated 14
    $47.41
  • A53315 ACT 1-7/8 1.8750 1.499 4 14 12 Uncoated 10
    $476.62
  • A51773 ACT 0.178 0.1755 1-1/8 4-1/2 6 Uncoated 10
    $26.05
  • A50417 ACT 0.2515 0.2515 1 3 1-3/4 0.0250 4 Uncoated 24
    $91.61
  • A53316 ACT 1-15/16 1.9375 1.499 4 14 12 Uncoated 10
    $558.83
  • A51774 ACT 0.1785 0.1755 1-1/8 4-1/2 6 Uncoated 11
    $25.97
  • A50418 ACT 0.2520 0.2520 1 3 1-3/4 0.0250 4 Uncoated 45
    $73.35
  • A78696 ACT 29/64 0.4531 0.373 1-3/4 7 6 Uncoated 13
    $47.57
  • A53317 ACT 2 2.0000 1.499 4 14 12 Uncoated 13
    $608.18
  • A51775 ACT 0.179 0.1755 1-1/8 4-1/2 6 Uncoated 29
    $26.05
  • A50419 ACT 0.2530 0.2530 1 3 1-3/4 0.0250 4 Uncoated 100
    $73.35
  • A51776 ACT 0.1795 0.1755 1-1/8 4-1/2 6 Uncoated 11
    $26.05
  • A50420 ACT 0.2540 0.2540 1 3 1-3/4 0.0250 4 Uncoated 26
    $73.35
  • A51777 ACT 0.1805 0.1755 1-1/8 4-1/2 6 Uncoated 20
    $26.05
  • A50421 ACT 0.2550 0.2550 1 3 1-3/4 0.0250 6 Uncoated 21
    $73.35
  • A78697 ACT 12.0mm 0.4724 0.4355 2 8 6 Uncoated 13
    $47.41
  • A51778 ACT 0.181 0.1755 1-1/8 4-1/2 6 Uncoated 63
    $26.05
  • A50422 ACT 6.5mm 0.2559 6.500 1-1/8 3-1/4 47mm 0.0300 6 Uncoated 8
    $77.63
  • A51779 ACT 0.1815 0.1755 1-1/8 4-1/2 6 Uncoated 15
    $26.05
  • A50423 ACT 0.2560 0.2560 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 11
    $89.43
  • A78698 ACT 31/64 0.4844 0.4355 2 8 6 Uncoated 2
    $47.41
  • A51780 ACT 0.1825 0.1805 1-1/8 4-1/2 6 Uncoated 20
    $25.97
  • A50424 ACT F 0.2570 0.2570 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 37
    $89.43
  • A51781 ACT 0.183 0.1805 1-1/8 4-1/2 6 Uncoated 24
    $26.05
  • A50425 ACT 0.2580 0.2580 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 15
    $89.43
  • A78699 ACT 12.5mm 0.4921 0.4355 2 8 6 Uncoated 3
    $47.41
  • A51782 ACT 0.1835 0.1805 1-1/8 4-1/2 6 Uncoated 14
    $25.97
  • A50426 ACT 0.2590 0.2590 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 9
    $89.43
  • A51783 ACT 0.184 0.1805 1-1/8 4-1/2 6 Uncoated 10
    $26.05
  • A50427 ACT 0.2600 0.2600 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 18
    $89.43
  • A78700 ACT .499 O/U 0.499 0.4355 2 8 6 Uncoated 7
    $47.57
  • A51784 ACT 0.1845 0.1805 1-1/8 4-1/2 6 Uncoated 19
    $26.05

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

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