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
    A50473 ACT 0.3010 0.3010 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 19
    $89.43
  • A51830 ACT 0.2145 0.2075 1-1/4 5 6 Uncoated 12
    $32.00
  • A50474 ACT N 0.3020 0.3020 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 23
    $89.43
  • A51831 ACT 0.215 0.2075 1-1/4 5 6 Uncoated 15
    $32.00
  • A50475 ACT 0.3030 0.3030 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 16
    $88.90
  • A51832 ACT 0.2155 0.2075 1-1/4 5 6 Uncoated 12
    $32.00
  • A50476 ACT 0.3040 0.3040 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 31
    $88.90
  • A51833 ACT 0.216 0.2075 1-1/4 5 6 Uncoated 23
    $32.00
  • A50477 ACT 0.3050 0.3050 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 11
    $89.43
  • A51834 ACT 0.217 0.2075 1-1/4 5 6 Uncoated 11
    $32.00
  • A50478 ACT 0.3060 0.3060 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 6
    $88.90
  • A51835 ACT 0.2175 0.2075 1-1/4 5 6 Uncoated 15
    $32.00
  • A50479 ACT 0.3070 0.3070 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 5
    $89.43
  • A51836 ACT 0.218 0.2075 1-1/4 5 6 Uncoated 18
    $32.00
  • A50480 ACT 0.3080 0.3080 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 11
    $88.90
  • A51837 ACT 0.2185 0.2075 1-1/4 5 6 Uncoated 18
    $32.00
  • A50481 ACT 0.3090 0.3090 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 19
    $88.90
  • A51838 ACT 0.219 0.2173 1-1/2 6 6 Uncoated 19
    $32.61
  • A50482 ACT 0.3100 0.3100 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 28
    $89.43
  • A51839 ACT 0.2195 0.2173 1-1/2 6 6 Uncoated 8
    $32.49
  • A50483 ACT 0.3110 0.3110 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 40
    $89.43
  • A51840 ACT 0.22 0.2173 1-1/2 6 6 Uncoated 24
    $32.61
  • A50484 ACT 0.3115 0.3115 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 17
    $101.92
  • A51841 ACT 0.2205 0.2173 1-1/2 6 6 Uncoated 17
    $32.61
  • A50485 ACT 0.3120 0.3120 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated Available to Order*
    $89.43
  • A51842 ACT 0.2215 0.2173 1-1/2 6 6 Uncoated 18
    $32.61
  • A50486 HTC Tool 5/16 0.3125 0.3125 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated Available to Order*
    $84.38
  • A51843 ACT 0.222 0.2173 1-1/2 6 6 Uncoated 18
    $32.61
  • A50487 ACT 0.3130 0.3130 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 7
    $89.43
  • A51844 ACT 0.2225 0.2173 1-1/2 6 6 Uncoated 12
    $32.49
  • A50488 ACT 0.3135 0.3135 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 21
    $101.92
  • A51845 ACT 0.223 0.2173 1-1/2 6 6 Uncoated 19
    $32.61
  • A50489 ACT 0.3140 0.3140 1-1/8 3-1/4 1-7/8 0.0300 6 Uncoated 38
    $89.43
  • A51846 ACT 0.2235 0.2173 1-1/2 6 6 Uncoated 22
    $32.49
  • A50490 ACT 8.0mm 0.3150 8.000 1-1/8 3-1/4 50mm 0.0300 6 Uncoated 18
    $89.43
  • A51847 ACT 0.224 0.2173 1-1/2 6 6 Uncoated 18
    $32.61
  • A50491 ACT O 0.3160 0.3160 1-1/8 3-1/4 2 0.0300 6 Uncoated 5
    $99.28
  • A51848 ACT 0.2245 0.2173 1-1/2 6 6 Uncoated 16
    $32.49
  • A50492 ACT 0.3170 0.3170 1-1/8 3-1/4 2-1/8 0.0300 6 Uncoated 40
    $99.28
  • A51849 ACT 0.225 0.2173 1-1/2 6 6 Uncoated 14
    $32.61
  • A50493 ACT 0.3180 0.3180 1-1/8 3-1/4 2-1/8 0.0350 6 Uncoated 14
    $99.28
  • A51850 ACT 0.2255 0.2173 1-1/2 6 6 Uncoated 19
    $32.49
  • A50494 ACT 0.3190 0.3190 1-1/8 3-1/4 2-1/8 0.0350 6 Uncoated 20
    $99.28
  • A51851 ACT 0.226 0.2173 1-1/2 6 6 Uncoated 17
    $32.61
  • A50495 ACT 0.3200 0.3200 1-1/8 3-1/4 2-1/8 0.0350 6 Uncoated 19
    $99.28
  • A51852 ACT 0.2265 0.2173 1-1/2 6 6 Uncoated 30
    $32.49
  • A50496 ACT 0.3210 0.3210 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    $99.28
  • A51853 ACT 0.227 0.2173 1-1/2 6 6 Uncoated Available to Order*
    $32.61
  • A50497 ACT 0.3220 0.3220 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 7
    $99.28
  • A51854 ACT 0.2275 0.2173 1-1/2 6 6 Uncoated 13
    $32.61
  • A50498 ACT P 0.3230 0.3230 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 20
    $99.28
  • A51855 ACT 0.2285 0.2265 1-1/2 6 6 Uncoated 16
    $32.49
  • A50499 ACT 0.3240 0.3240 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    $99.28
  • A51856 ACT 0.229 0.2265 1-1/2 6 6 Uncoated 24
    $32.61
  • A50500 ACT 0.3250 0.3250 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated Available to Order*
    $99.28
  • A51857 ACT 0.2295 0.2265 1-1/2 6 6 Uncoated 8
    $32.61
  • A50501 ACT 0.3260 0.3260 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    $99.28
  • A51858 ACT 0.23 0.2265 1-1/2 6 6 Uncoated 84
    $32.61
  • A50502 ACT 0.3270 0.3270 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 24
    $99.28
  • A51859 ACT 0.2305 0.2265 1-1/2 6 6 Uncoated 12
    $32.49
  • A50503 ACT 0.3280 0.3280 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    $99.28
  • A51860 ACT 0.231 0.2265 1-1/2 6 6 Uncoated 30
    $32.49
  • A50504 ACT 21/64 0.3281 0.3281 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated Available to Order*
    $100.35
  • A51861 ACT 0.2315 0.2265 1-1/2 6 6 Uncoated 21
    $32.49
  • A50505 ACT 0.3290 0.3290 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 21
    $99.28
  • A51862 ACT 0.232 0.2265 1-1/2 6 6 Uncoated 43
    $32.61
  • A50506 ACT 0.3300 0.3300 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 10
    $99.28
  • A51863 ACT 0.2325 0.2265 1-1/2 6 6 Uncoated 15
    $32.49
  • A50507 ACT 0.3310 0.3310 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 14
    $99.28
  • A51864 ACT 0.233 0.2265 1-1/2 6 6 Uncoated 44
    $32.61
  • A50508 ACT Q 0.3320 0.3320 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    $99.28
  • A51865 ACT 0.2335 0.2265 1-1/2 6 6 Uncoated 16
    $32.49
  • A50509 ACT 0.3330 0.3330 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 11
    $99.28
  • A51866 ACT 0.2345 0.2265 1-1/2 6 6 Uncoated 20
    $29.39
  • A50510 ACT 0.3340 0.3340 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    $99.28
  • A51867 ACT 0.235 0.2265 1-1/2 6 6 Uncoated 28
    $29.47
  • A50511 ACT 8.5mm 0.3346 8.500 1-1/4 3-1/2 54mm 0.0350 6 Uncoated 14
    $99.28
  • A51868 ACT 0.2355 0.2265 1-1/2 6 6 Uncoated 44
    $29.47
  • A50512 ACT 0.3350 0.3350 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 20
    $99.28
  • A51869 ACT 0.236 0.2265 1-1/2 6 6 Uncoated 41
    $29.47
  • A50513 ACT 0.3360 0.3360 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 15
    $99.28
  • A51870 ACT 0.2365 0.2329 1-1/2 6 6 Uncoated 43
    $29.47
  • A50514 ACT 0.3370 0.3370 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 13
    $99.28
  • A51871 ACT 0.237 0.2329 1-1/2 6 6 Uncoated 26
    $29.47
  • A50515 ACT 0.3380 0.3380 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    $99.28
  • A51872 ACT 0.2375 0.2329 1-1/2 6 6 Uncoated 27
    $29.47
  • A50516 ACT R 0.3390 0.3390 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    $100.44
  • A51873 ACT 0.2385 0.2329 1-1/2 6 6 Uncoated 21
    $29.47
  • A50517 ACT 0.3400 0.3400 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 17
    $99.28
  • A51874 ACT 0.239 0.2329 1-1/2 6 6 Uncoated 41
    $29.47
  • A50518 ACT 0.3410 0.3410 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 16
    $99.28
  • A51875 ACT 0.2395 0.2329 1-1/2 6 6 Uncoated 12
    $29.47
  • A50519 ACT 0.3420 0.3420 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 12
    $99.28
  • A51876 ACT 0.24 0.2329 1-1/2 6 6 Uncoated 20
    $29.47
  • A50520 ACT 0.3430 0.3430 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 8
    $99.28
  • A51877 ACT 0.2405 0.2329 1-1/2 6 6 Uncoated 10
    $29.47
  • A50521 ACT 11/32 0.3438 0.3438 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 55
    $100.89
  • A51878 ACT 0.241 0.2329 1-1/2 6 6 Uncoated 19
    $29.47
  • A50522 ACT 0.3440 0.3440 1-1/4 3-1/2 2-1/8 0.0350 6 Uncoated 21
    $99.28
  • A51879 ACT 0.2415 0.2329 1-1/2 6 6 Uncoated 8
    $29.39

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

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