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
    A51917 ACT 0.264 0.2485 1-1/2 6 6 Uncoated 15
    $36.12
  • A50561 ACT 0.3780 0.3780 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 19
    $122.63
  • A51918 ACT 0.2645 0.2485 1-1/2 6 6 Uncoated 7
    $36.12
  • A50562 ACT 0.3790 0.3790 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 6
    $122.04
  • A51919 ACT 0.265 0.2485 1-1/2 6 6 Uncoated 58
    $36.12
  • A50563 ACT 0.3800 0.3800 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 23
    $122.63
  • A51920 ACT 0.2655 0.2485 1-1/2 6 6 Uncoated 8
    $36.12
  • A50564 ACT 0.3810 0.3810 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    $122.04
  • A51921 ACT 0.2665 0.2485 1-1/2 6 6 Uncoated 9
    $36.12
  • A50565 ACT 0.3820 0.3820 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    $122.63
  • A51922 ACT 0.267 0.2485 1-1/2 6 6 Uncoated 16
    $36.12
  • A50566 ACT 0.3830 0.3830 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    $122.04
  • A51923 ACT 0.2675 0.2485 1-1/2 6 6 Uncoated 10
    $36.12
  • A50567 ACT 0.3840 0.3840 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 19
    $122.63
  • A51924 ACT 0.268 0.2485 1-1/2 6 6 Uncoated 17
    $36.12
  • A50568 ACT 0.3850 0.3850 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    $122.04
  • A51925 ACT 0.2685 0.2485 1-1/2 6 6 Uncoated 11
    $36.12
  • A50569 ACT W 0.3860 0.3860 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 20
    $122.04
  • A51926 ACT 0.269 0.2485 1-1/2 6 6 Uncoated 9
    $36.12
  • A50570 ACT 0.3870 0.3870 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 6
    $151.31
  • A51927 ACT 0.2695 0.2485 1-1/2 6 6 Uncoated 10
    $36.12
  • A50571 ACT 0.3880 0.3880 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 15
    $151.31
  • A51928 ACT 0.27 0.2485 1-1/2 6 6 Uncoated 48
    $36.12
  • A50572 ACT 0.3890 0.3890 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    $151.31
  • A51929 ACT 0.2705 0.2485 1-1/2 6 6 Uncoated 15
    $36.12
  • A50573 ACT 0.3900 0.3900 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated Available to Order*
    $151.31
  • A51930 ACT 0.271 0.2485 1-1/2 6 6 Uncoated 11
    $36.12
  • A50574 ACT 25/64 0.3906 0.3906 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    $151.31
  • A51931 ACT 0.2715 0.2485 1-1/2 6 6 Uncoated 6
    $36.12
  • A50575 ACT 0.3910 0.3910 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 15
    $151.31
  • A51932 ACT 0.2725 0.2485 1-1/2 6 6 Uncoated 8
    $36.12
  • A50576 ACT 0.3920 0.3920 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    $151.31
  • A51933 ACT 0.273 0.2485 1-1/2 6 6 Uncoated 18
    $36.12
  • A50577 ACT 0.3930 0.3930 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    $151.31
  • A51934 ACT 0.2735 0.2485 1-1/2 6 6 Uncoated 6
    $36.12
  • A50578 ACT 10.0mm 0.3937 10.000 1-1/4 3-1/2 54mm 0.0350 6 Uncoated 17
    $115.32
  • A51935 ACT 0.274 0.2485 1-1/2 6 6 Uncoated 10
    $36.12
  • A50579 ACT 0.3940 0.3940 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    $151.31
  • A51936 ACT 0.2745 0.2485 1-1/2 6 6 Uncoated 17
    $36.12
  • A50580 ACT 0.3950 0.3950 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    $151.31
  • A51937 ACT 0.275 0.2485 1-1/2 6 6 Uncoated 41
    $36.12
  • A50581 ACT 0.3960 0.3960 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    $151.31
  • A51938 ACT 0.2755 0.2485 1-1/2 6 6 Uncoated 15
    $36.12
  • A50582 ACT X 0.3970 0.3970 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 11
    $151.31
  • A51939 ACT 0.276 0.2485 1-1/2 6 6 Uncoated 13
    $36.12
  • A50583 ACT 0.3980 0.3980 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 6
    $151.31
  • A51940 ACT 0.2765 0.2485 1-1/2 6 6 Uncoated 7
    $36.12
  • A50584 ACT 0.3990 0.3990 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 22
    $151.31
  • A51941 ACT 0.2775 0.2485 1-1/2 6 6 Uncoated 14
    $36.12
  • A50585 ACT 0.4000 0.4000 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    $151.31
  • A51942 ACT 0.278 0.2485 1-1/2 6 6 Uncoated 18
    $36.12
  • A50586 ACT 0.4010 0.4010 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    $151.31
  • A51943 ACT 0.2785 0.2485 1-1/2 6 6 Uncoated 9
    $36.12
  • A50587 ACT 0.4020 0.4020 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    $151.31
  • A51944 ACT 0.279 0.2485 1-1/2 6 6 Uncoated 18
    $36.12
  • A50588 ACT 0.4030 0.4030 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 9
    $151.31
  • A51945 ACT 0.2795 0.2485 1-1/2 6 6 Uncoated 19
    $36.12
  • A50589 ACT Y 0.4040 0.4040 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    $151.31
  • A51946 ACT 0.28 0.2485 1-1/2 6 6 Uncoated 16
    $36.12
  • A50590 ACT 0.4050 0.4050 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 6
    $151.31
  • A51947 ACT 0.2805 0.2485 1-1/2 6 6 Uncoated 20
    $36.12
  • A50591 ACT 0.4060 0.4060 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 5
    $151.31
  • A51948 ACT 0.2815 0.2792 1-1/2 6 6 Uncoated 18
    $36.12
  • A50592 ACT 13/32 0.4062 0.4062 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    $110.42
  • A51949 ACT 0.282 0.2792 1-1/2 6 6 Uncoated 22
    $36.12
  • A50593 ACT 0.4070 0.4070 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 100
    $151.31
  • A51950 ACT 0.2825 0.2792 1-1/2 6 6 Uncoated 11
    $36.12
  • A50594 ACT 0.4080 0.4080 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 18
    $151.31
  • A51951 ACT 0.283 0.2792 1-1/2 6 6 Uncoated 21
    $36.12
  • A50595 ACT 0.4090 0.4090 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 7
    $151.31
  • A51952 ACT 0.2835 0.2792 1-1/2 6 6 Uncoated 11
    $36.12
  • A50596 ACT 0.4100 0.4100 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    $151.31
  • A51953 ACT 0.284 0.2792 1-1/2 6 6 Uncoated 18
    $36.12
  • A50597 ACT 0.4110 0.4110 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 15
    $151.31
  • A51954 ACT 0.2845 0.2792 1-1/2 6 6 Uncoated 12
    $36.12
  • A50598 ACT 0.4120 0.4120 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 9
    $151.31
  • A51955 ACT 0.285 0.2792 1-1/2 6 6 Uncoated 22
    $36.12
  • A50599 ACT Z 0.4130 0.4130 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    $151.31
  • A51956 ACT 0.2855 0.2792 1-1/2 6 6 Uncoated 21
    $36.12
  • A50600 ACT 10.5mm 0.4134 10.500 1-1/4 3-1/2 54mm 0.0350 6 Uncoated 6
    $137.92
  • A51957 ACT 0.286 0.2792 1-1/2 6 6 Uncoated 22
    $36.12
  • A50601 ACT 0.4140 0.4140 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    $151.31
  • A51958 ACT 0.2865 0.2792 1-1/2 6 6 Uncoated 15
    $36.12
  • A50602 ACT 0.4150 0.4150 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 42
    $151.31
  • A51959 ACT 0.287 0.2792 1-1/2 6 6 Uncoated 8
    $36.12
  • A50603 ACT 0.4160 0.4160 1-3/8 4 2-1/8 0.0350 6 Uncoated 8
    $151.31
  • A51960 ACT 0.2875 0.2792 1-1/2 6 6 Uncoated 15
    $36.12
  • A50604 ACT 0.4170 0.4170 1-3/8 4 2-1/8 0.0450 6 Uncoated 18
    $151.31
  • A51961 ACT 0.288 0.2792 1-1/2 6 6 Uncoated 20
    $36.12
  • A50605 ACT 0.4180 0.4180 1-3/8 4 2-1/8 0.0450 6 Uncoated 11
    $151.31
  • A51962 ACT 0.2885 0.2792 1-1/2 6 6 Uncoated 11
    $36.12
  • A50606 ACT 0.4190 0.4190 1-3/8 4 2-1/8 0.0450 6 Uncoated 13
    $151.31
  • A51963 ACT 0.289 0.2792 1-1/2 6 6 Uncoated 13
    $36.12
  • A50607 ACT 0.4200 0.4200 1-3/8 4 2-1/8 0.0450 6 Uncoated 9
    $151.31
  • A51964 ACT 0.2895 0.2792 1-1/2 6 6 Uncoated 11
    $36.12
  • A50608 ACT 0.4210 0.4210 1-3/8 3-1/2 2-1/8 0.0450 6 Uncoated 8
    $151.31
  • A51965 ACT 0.2905 0.2792 1-1/2 6 6 Uncoated 16
    $36.12
  • A50609 ACT 27/64 0.4219 0.4219 1-3/8 4 2-1/8 0.0450 6 Uncoated 10
    $125.26
  • A51966 ACT 0.291 0.2792 1-1/2 6 6 Uncoated 15
    $36.12
  • A50610 ACT 0.4220 0.4220 1-3/8 4 2-1/8 0.0450 6 Uncoated 12
    $151.31

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

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