Reamers

Reamers

Atlas Cutting Tools carries one of the most complete ranges of reamer sizes and styles in the industry, including over 5,000 HSS and Cobalt Chucking Reamers alone. 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.

  • 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 Sku Price Quantity
    C 0.2420 0.2329 1-1/2 6 6 Uncoated 20
    A52858
    $31.38
  • C 0.2420 0.2329 1-1/2 6 6 Uncoated 14
    A52566
    $28.29
  • 0.084 0.081 3/4 3 4 Uncoated 29
    A51617
    $22.97
  • 0.1260 0.1260 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 62
    A50261
    $36.91
  • 8.0mm 0.3150 0.2792 1-1/2 6 6 Uncoated Call
    A53459
    $17.80
  • 8.0mm 0.2792 0.2792 1-1/2 6 6 Uncoated 21
    A53247
    $44.24
  • 8.0mm 0.3150 0.2792 1-1/2 6 6 Uncoated 16
    A53071
    $34.51
  • D 0.2460 0.2329 1-1/2 6 6 Uncoated 13
    A52859
    $28.62
  • D 0.2460 0.2329 1-1/2 6 6 Uncoated 21
    A52567
    $28.29
  • 0.0845 0.081 3/4 3 4 Uncoated 7
    A51618
    $22.97
  • 0.1265 0.1265 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 52
    A50262
    $48.82
  • O 0.3160 0.2792 1-1/2 6 6 Uncoated Call
    A53460
    $17.80
  • O 0.2792 0.2792 1-1/2 6 6 Uncoated 10
    A53248
    $44.12
  • O 0.3160 0.2792 1-1/2 6 6 Uncoated 14
    A53072
    $34.51
  • 0.249 O/U 0.2490 0.2405 1-1/2 6 6 Uncoated 20
    A52860
    $28.17
  • 0.249 O/U 0.2490 0.2405 1-1/2 6 6 Uncoated 100
    A52568
    $26.52
  • 0.085 0.081 3/4 3 4 Uncoated 27
    A51619
    $22.97
  • 0.1270 0.1270 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 39
    A50263
    $36.91
  • P 0.3230 0.2792 1-1/2 6 6 Uncoated Call
    A53461
    $19.04
  • P 0.2792 0.2792 1-1/2 6 6 Uncoated 18
    A53249
    $47.83
  • P 0.3230 0.2792 1-1/2 6 6 Uncoated 13
    A53073
    $36.91
  • 1/4 0.2500 0.2405 1-1/2 6 6 Uncoated 83
    A52861
    $26.76
  • 1/4 0.2500 0.2405 1-1/2 6 6 Uncoated 100
    A52569
    $25.16
  • 0.0855 0.081 3/4 3 4 Uncoated 24
    A51620
    $22.97
  • 0.1275 0.1275 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 14
    A50264
    $48.82
  • 21/64 0.3281 0.2792 1-1/2 6 6 Uncoated Call
    A53462
    $19.04
  • 21/64 0.2792 0.2792 1-1/2 6 6 Uncoated 24
    A53250
    $47.83
  • 21/64 0.3281 0.2792 1-1/2 6 6 Uncoated 7
    A53074
    $36.91
  • 0.251 O/U 0.2510 0.2405 1-1/2 6 6 Uncoated 87
    A52862
    $28.29
  • 0.251 O/U 0.2510 0.2405 1-1/2 6 6 Uncoated 100
    A52570
    $26.52
  • 0.0865 0.081 3/4 3 4 Uncoated 37
    A51621
    $22.97
  • 0.1280 0.1280 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 21
    A50265
    $36.91
  • Q 0.3320 0.2792 1-1/2 6 6 Uncoated Call
    A53463
    $19.04
  • Q 0.2792 0.2792 1-1/2 6 6 Uncoated 13
    A53251
    $47.54
  • Q 0.3320 0.2792 1-1/2 6 6 Uncoated 12
    A53075
    $36.91
  • 6.5mm 0.2559 0.2405 1-1/2 6 6 Uncoated 19
    A52863
    $31.38
  • 6.5mm 0.2559 0.2405 1-1/2 6 6 Uncoated 17
    A52571
    $28.29
  • 0.087 0.081 3/4 3 4 Uncoated 15
    A51622
    $22.97
  • #30 0.1285 0.1285 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 63
    A50266
    $36.91
  • 8.5mm 0.3346 0.2792 1-1/2 6 6 Uncoated Call
    A53464
    $19.04
  • 8.5mm 0.2792 0.2792 1-1/2 6 6 Uncoated 9
    A53252
    $47.54
  • 8.5mm 0.3346 0.2792 1-1/2 6 6 Uncoated 9
    A53076
    $36.91
  • F 0.2570 0.2485 1-1/2 6 6 Uncoated 20
    A52864
    $31.38
  • F 0.2570 0.2485 1-1/2 6 6 Uncoated 32
    A52572
    $28.29
  • 0.0875 0.081 3/4 3 4 Uncoated 6
    A51623
    $22.89
  • 0.1290 0.1290 5/8 2-1/4 1-1/8 0.0150 4 Uncoated 27
    A50267
    $36.91
  • R 0.3390 0.2792 1-1/2 6 6 Uncoated Call
    A53465
    $19.04
  • R 0.2792 0.2792 1-1/2 6 6 Uncoated Call
    A53253
    $47.54
  • R 0.3390 0.2792 1-1/2 6 6 Uncoated 20
    A53077
    $36.91
  • G 0.2610 0.2485 1-1/2 6 6 Uncoated 26
    A52865
    $31.38
  • G 0.2610 0.2485 1-1/2 6 6 Uncoated Call
    A52573
    $28.29
  • 0.088 0.081 3/4 3 4 Uncoated 11
    A51624
    $22.97
  • 0.1300 0.1300 5/8 2-1/2 1-1/8 0.0150 4 Uncoated 79
    A50268
    $36.91
  • 11/32 0.3438 0.2792 1-1/2 6 6 Uncoated Call
    A53466
    $19.04
  • 11/32 0.2792 0.2792 1-1/2 6 6 Uncoated 16
    A53254
    $47.54
  • 11/32 0.3438 0.2792 1-1/2 6 6 Uncoated 18
    A53078
    $36.91
  • 17/64 0.2656 0.2485 1-1/2 6 6 Uncoated 18
    A52866
    $42.43
  • 17/64 0.2656 0.2485 1-1/2 6 6 Uncoated 17
    A52574
    $31.34
  • 0.0885 0.081 3/4 3 4 Uncoated 14
    A51625
    $22.97
  • 0.1310 0.1310 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 80
    A50269
    $41.98
  • S 0.3480 0.3105 1-3/4 6 6 Uncoated Call
    A53467
    $19.20
  • S 0.3105 0.3105 1-3/4 6 6 Uncoated 11
    A53255
    $48.24
  • S 0.3480 0.3105 1-3/4 6 6 Uncoated 15
    A53079
    $37.32
  • H 0.2660 0.2485 1-1/2 6 6 Uncoated 20
    A52867
    $42.43
  • H 0.2660 0.2485 1-1/2 6 6 Uncoated 24
    A52575
    $31.34
  • 0.0895 0.088 3/4 3 4 Uncoated 19
    A51626
    $22.97
  • 0.1320 0.1320 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 68
    A50270
    $41.98
  • 9.0mm 0.3543 0.3105 1-3/4 7 6 Uncoated Call
    A53468
    $19.20
  • 9.0mm 0.3105 0.3105 1-3/4 7 6 Uncoated 9
    A53256
    $48.24
  • 9.0mm 0.3543 0.3105 1-3/4 7 6 Uncoated 13
    A53080
    $37.32
  • I 0.2720 0.2485 1-1/2 6 6 Uncoated 16
    A52868
    $42.43
  • I 0.2720 0.2485 1-1/2 6 6 Uncoated 16
    A52576
    $31.34
  • 0.09 0.088 3/4 3 4 Uncoated 14
    A51627
    $22.97
  • 0.1330 0.1330 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 34
    A50271
    $41.98
  • T 0.3580 0.3105 1-3/4 7 6 Uncoated Call
    A53469
    $19.20
  • T 0.3105 0.3105 1-3/4 7 6 Uncoated 7
    A53257
    $48.24
  • T 0.3580 0.3105 1-3/4 7 6 Uncoated 5
    A53081
    $37.32
  • 7.0mm 0.2756 0.2485 1-1/2 6 6 Uncoated 17
    A52869
    $42.43
  • 7.0mm 0.2756 0.2485 1-1/2 6 6 Uncoated 18
    A52577
    $31.34
  • 0.0905 0.088 3/4 3 4 Uncoated 14
    A51628
    $22.97
  • 0.1340 0.1340 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 17
    A50272
    $41.98
  • 23/64 0.3594 0.3105 1-3/4 7 6 Uncoated Call
    A53470
    $19.20
  • 23/64 0.3105 0.3105 1-3/4 7 6 Uncoated 20
    A53258
    $48.49
  • 23/64 0.3594 0.3105 1-3/4 7 6 Uncoated 9
    A53082
    $37.44
  • J 0.2770 0.2485 1-1/2 6 6 Uncoated 22
    A52870
    $42.43
  • J 0.2770 0.2485 1-1/2 6 6 Uncoated 15
    A52578
    $31.34
  • 0.091 0.088 3/4 3 4 Uncoated 24
    A51629
    $22.97
  • 0.1350 0.1350 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 100
    A50273
    $41.98
  • U 0.3680 0.3105 1-3/4 7 6 Uncoated Call
    A53471
    $19.20
  • U 0.3105 0.3105 1-3/4 7 6 Uncoated 8
    A53259
    $48.24
  • U 0.3680 0.3105 1-3/4 7 6 Uncoated 16
    A53083
    $37.32
  • K 0.2810 0.2485 1-1/2 6 6 Uncoated 15
    A52871
    $42.43
  • K 0.2810 0.2485 1-1/2 6 6 Uncoated 71
    A52579
    $31.34
  • 0.0915 0.088 3/4 3 4 Uncoated 15
    A51630
    $22.97
  • #29 0.1360 0.1360 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 37
    A50274
    $39.38
  • 9.5mm 0.3740 0.3105 1-3/4 7 6 Uncoated Call
    A53472
    $18.24
  • 9.5mm O/U 0.3105 0.3105 1-3/4 7 6 Uncoated 22
    A53260
    $45.81
  • 9.5mm O/U 0.3740 0.3105 1-3/4 7 6 Uncoated 19
    A53084
    $35.38
  • 9/32 0.2813 0.2485 1-1/2 6 6 Uncoated 6
    A52872
    $40.33
  • 9/32 0.2812 0.2485 1-1/2 6 6 Uncoated 100
    A52580
    $29.69
  • Total: items /

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