Chucking Reamers

Chucking Reamers

Carbide - Right Hand Spiral
Carbide - Right Hand Spiral
Carbide - Straight Flute
Carbide - Straight Flute
Cobalt - Right Hand Spiral
Cobalt - Right Hand Spiral
Cobalt - Straight Flute
Cobalt - Straight Flute
HSS - Intermediate Sizes
HSS - Intermediate Sizes
HSS - Left Hand Spiral
HSS - Left Hand Spiral
HSS - Right Hand Spiral
HSS - Right Hand Spiral
HSS - Straight Flute
HSS - Straight Flute

Our Chucking Reamer selection is one of the deepest in the industry, with straight flute and spiral flute options available in HSS, Cobalt, and Carbide, and in right-hand or left-hand spiral configurations. HSS Intermediate Sizes fill in the gaps between standard fractional sizes for closer tolerance matching.

Spiral flute chucking reamers help clear chips more efficiently in blind holes and through-holes alike, while straight flute versions are often preferred for interrupted cuts like keyways. Cobalt chucking reamers offer better heat resistance for stainless and tool steel work compared to standard HSS. With over 5,000 chucking reamers in stock, USA manufactured and ready to ship same day, we're built to match your exact tolerance and material needs.

  • 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
    A53272 ACT 27/64 0.3730 0.373 1-3/4 7 6 Uncoated 15
    $60.98
  • A53096 ACT 27/64 0.4219 0.373 1-3/4 7 6 Uncoated 7
    $42.15
  • A52884 ACT 21/64 0.3281 0.2792 1-1/2 6 6 Uncoated 9
    $45.77
  • A52592 ACT 21/64 0.3281 0.2792 1-1/2 6 6 Uncoated 20
    $33.53
  • A51643 ACT 0.1 0.095 7/8 3-1/2 4 Uncoated 18
    $22.97
  • A50287 ACT 0.1460 0.1460 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 22
    $44.17
  • A53273 ACT 11.0mm 0.3730 0.373 1-3/4 7 6 Uncoated 6
    $60.98
  • A53097 ACT 11.0mm 0.4331 0.373 1-3/4 7 6 Uncoated 5
    $41.93
  • A52885 ACT Q 0.3320 0.2792 1-1/2 6 6 Uncoated 19
    $45.77
  • A52593 ACT Q 0.3320 0.2792 1-1/2 6 6 Uncoated 9
    $33.53
  • A51644 ACT 0.1005 0.095 7/8 3-1/2 4 Uncoated 11
    $22.97
  • A50288 ACT #26 0.1470 0.1470 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 24
    $41.23
  • A78781 ACT 5.0mm 0.1969 0.1895 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53274 ACT 0.4365 O/U 0.3730 0.373 1-3/4 7 6 Uncoated 14
    $60.78
  • A53098 ACT 0.4365 O/U 0.4365 0.373 1-3/4 7 6 Uncoated 19
    $42.15
  • A52886 ACT 8.5mm 0.3346 0.2792 1-1/2 6 6 Uncoated 4
    $45.77
  • A52594 ACT 8.5mm 0.3346 0.2792 1-1/2 6 6 Uncoated 21
    $33.53
  • A51645 ACT 0.101 0.095 7/8 3-1/2 4 Uncoated 17
    $22.97
  • A50289 ACT 0.1480 0.1480 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 6
    $44.17
  • A53275 ACT 7/16 0.3730 0.373 1-3/4 7 6 Uncoated 19
    $58.05
  • A53099 ACT 7/16 0.4375 0.373 1-3/4 7 6 Uncoated 15
    $40.13
  • A52887 ACT R 0.3390 0.2792 1-1/2 6 6 Uncoated 19
    $45.77
  • A52595 ACT R 0.3390 0.2792 1-1/2 6 6 Uncoated 13
    $33.53
  • A51646 ACT 0.102 0.095 7/8 3-1/2 4 Uncoated 13
    $22.97
  • A50290 ACT 0.1490 0.1490 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 12
    $44.17
  • A78782 ACT #8 0.199 0.1895 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53276 ACT 0.4385 O/U 0.3730 0.373 1-3/4 7 6 Uncoated 11
    $60.78
  • A53100 ACT 0.4385 O/U 0.4385 0.373 1-3/4 7 6 Uncoated 9
    $41.93
  • A52888 ACT 11/32 0.3438 0.2792 1-1/2 6 6 Uncoated 13
    $45.77
  • A52596 ACT 11/32 0.3438 0.2792 1-1/2 6 6 Uncoated 19
    $33.53
  • A51647 ACT 0.1025 0.095 7/8 3-1/2 4 Uncoated 12
    $22.97
  • A50291 ACT #25 0.1495 0.1495 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 15
    $41.23
  • A53101 ACT 11.5mm 0.4528 0.373 1-3/4 7 6 Uncoated 3
    $45.82
  • A52889 ACT S 0.3480 0.3105 1-3/4 6 6 Uncoated 13
    $46.55
  • A52597 ACT S 0.3480 0.3105 1-3/4 6 6 Uncoated 6
    $34.10
  • A51648 ACT 0.103 0.095 7/8 3-1/2 4 Uncoated 24
    $22.97
  • A50292 ACT 0.1500 0.1500 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 19
    $44.17
  • A78783 ACT #7 0.201 0.1895 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53278 ACT 29/64 0.3730 0.373 1-3/4 7 6 Uncoated Available to Order*
    $69.64
  • A53102 ACT 29/64 0.4531 0.373 1-3/4 7 6 Uncoated 12
    $45.98
  • A52890 ACT 9.0mm 0.3543 0.3105 1-3/4 7 6 Uncoated 20
    $46.55
  • A52598 ACT 9.0mm 0.3543 0.3105 1-3/4 7 6 Uncoated 17
    $34.10
  • A51649 ACT 0.1035 0.095 7/8 3-1/2 4 Uncoated 11
    $22.97
  • A50293 ACT 0.1510 0.1510 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 20
    $44.17
  • A53279 ACT 15/32 0.3730 0.373 1-3/4 7 6 Uncoated 13
    $69.64
  • A53103 ACT 15/32 0.4688 0.373 1-3/4 7 6 Uncoated 23
    $45.98
  • A52891 ACT T 0.3580 0.3105 1-3/4 7 6 Uncoated 9
    $46.55
  • A52599 ACT T 0.3580 0.3105 1-3/4 7 6 Uncoated 23
    $34.10
  • A51650 ACT 0.1045 0.103 7/8 3-1/2 4 Uncoated 17
    $22.97
  • A50294 ACT #24 0.1520 0.1520 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 6
    $41.23
  • A53280 ACT 12.0mm 0.4355 0.4355 2 8 6 Uncoated 20
    $69.64
  • A53104 ACT 12.0mm 0.4724 0.4355 2 8 6 Uncoated 19
    $45.82
  • A52892 ACT 23/64 0.3594 0.3105 1-3/4 7 6 Uncoated 6
    $46.55
  • A52600 ACT 23/64 0.3594 0.3105 1-3/4 7 6 Uncoated 12
    $34.10
  • A51651 ACT 0.105 0.103 7/8 3-1/2 4 Uncoated 16
    $22.97
  • A50295 ACT 0.1530 0.1530 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 24
    $44.17
  • A78784 ACT #6 0.204 0.1945 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53281 ACT 31/64 0.4355 0.4355 2 8 6 Uncoated 8
    $69.64
  • A53105 ACT 31/64 0.4844 0.4355 2 8 6 Uncoated 24
    $45.82
  • A52893 ACT U 0.3680 0.3105 1-3/4 7 6 Uncoated 22
    $46.55
  • A52601 ACT U 0.3680 0.3105 1-3/4 7 6 Uncoated 20
    $34.10
  • A51652 ACT 0.1055 0.103 7/8 3-1/2 4 Uncoated 7
    $22.89
  • A50296 ACT #23 0.1540 0.1540 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 17
    $41.23
  • A53282 ACT 12.5mm 0.4355 0.4355 2 8 6 Uncoated 8
    $69.64
  • A53106 ACT 12.5mm 0.4921 0.4355 2 8 6 Uncoated 14
    $45.82
  • A52894 ACT 0.374 O/U 0.3740 0.3105 1-3/4 7 6 Uncoated 14
    $44.08
  • A52602 ACT 0.374 O/U 0.3740 0.3105 1-3/4 7 6 Uncoated 66
    $32.21
  • A51653 ACT 0.106 0.103 7/8 3-1/2 4 Uncoated 23
    $22.97
  • A50297 ACT 0.1545 0.1545 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 18
    $50.97
  • A78785 ACT #5 0.2055 0.2016 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53283 ACT 0.499 O/U 0.4355 0.4355 2 8 6 Uncoated 7
    $69.64
  • A53107 ACT 0.499 O/U 0.4990 0.4355 2 8 6 Uncoated 13
    $45.98
  • A52895 ACT 3/8 0.3750 0.3105 1-3/4 7 6 Uncoated 44
    $42.01
  • A52603 ACT 3/8 0.3750 0.3105 1-3/4 7 6 Uncoated 100
    $30.47
  • A51654 ACT 0.107 0.103 7/8 3-1/2 4 Uncoated 20
    $22.97
  • A50298 ACT 0.1550 0.1550 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 30
    $44.17
  • A53284 ACT 1/2 0.4355 0.4355 2 8 6 Uncoated 100
    $66.51
  • A53108 ACT 1/2 0.5000 0.4355 2 8 6 Uncoated 23
    $43.38
  • A52896 ACT 0.376 O/U 0.3760 0.3105 1-3/4 7 6 Uncoated 21
    $44.08
  • A52604 ACT 0.376 O/U 0.3760 0.3105 1-3/4 7 6 Uncoated 100
    $32.21
  • A51655 ACT 0.1075 0.103 7/8 3-1/2 4 Uncoated 23
    $22.89
  • A50299 ACT 0.1555 0.1555 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 12
    $50.97
  • A78786 ACT #4 0.209 0.2016 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53109 ACT 0.501 O/U 0.5010 0.4355 2 8 6 Uncoated 22
    $45.98
  • A52897 ACT V 0.3770 0.3105 1-3/4 7 6 Uncoated 24
    $56.95
  • A52605 ACT V 0.3770 0.3105 1-3/4 7 6 Uncoated 46
    $37.03
  • A51656 ACT 0.108 0.103 7/8 3-1/2 4 Uncoated 30
    $22.97
  • A50300 ACT 0.1560 0.1560 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 21
    $44.17
  • A53110 ACT 17/32 0.5313 0.4355 2 8 6 Uncoated 7
    $53.89
  • A52898 ACT W 0.3860 0.3105 1-3/4 7 6 Uncoated 16
    $56.95
  • A52606 ACT W 0.3860 0.3105 1-3/4 7 6 Uncoated 12
    $37.03
  • A51657 ACT 0.1085 0.103 7/8 3-1/2 4 Uncoated 12
    $22.97
  • A50301 ACT 5/32 0.1562 0.1562 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 23
    $39.87
  • A78787 ACT #3 0.213 0.2075 1-1/4 5 6 Uncoated Available to Order*
    $28.45
  • A53111 ACT 9/16 0.5625 0.4355 2 8 8 Uncoated 5
    $53.89
  • A52899 ACT 25/64 0.3906 0.3105 1-3/4 7 6 Uncoated 13
    $56.95
  • A52607 ACT 25/64 0.3906 0.3105 1-3/4 7 6 Uncoated 44
    $37.03
  • A51658 ACT 0.109 0.103 7/8 3-1/2 4 Uncoated 36
    $22.97
  • A50302 ACT 0.1565 0.1565 3/4 2-1/2 1-3/8 0.0170 4 Uncoated 10
    $50.97
  • A53112 ACT 19/32 0.5938 0.4355 2 8 8 Uncoated 13
    $53.89

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

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