Chucking Reamers
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.
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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 A52412 ACT 0.8095 0.624 2-1/2 9-1/2 8 Uncoated 10 $92.32 -
A52413 ACT 0.81 0.624 2-1/2 9-1/2 8 Uncoated 13 $92.32 -
A52414 ACT 0.8105 0.624 2-1/2 9-1/2 8 Uncoated 6 $92.32 -
A52415 ACT 0.811 0.624 2-1/2 9-1/2 8 Uncoated 16 $92.32 -
A52416 ACT 0.812 0.624 2-1/2 9-1/2 8 Uncoated 13 $92.32 -
A52417 ACT 0.813 0.624 2-1/2 9-1/2 8 Uncoated 29 $101.56 -
A52418 ACT 0.814 0.624 2-1/2 9-1/2 8 Uncoated 17 $102.01 -
A52419 ACT 0.8145 0.624 2-1/2 9-1/2 8 Uncoated 12 $101.56 -
A52420 ACT 0.815 0.624 2-1/2 9-1/2 8 Uncoated 15 $101.56 -
A52421 ACT 0.8155 0.624 2-1/2 9-1/2 8 Uncoated 14 $101.56 -
A52422 ACT 0.872 0.624 2-5/8 10 8 Uncoated 13 $104.23 -
A52423 ACT 0.8725 0.624 2-5/8 10 8 Uncoated 6 $104.23 -
A52424 ACT 0.873 0.624 2-5/8 10 8 Uncoated 16 $104.23 -
A52425 ACT 0.8735 0.624 2-5/8 10 8 Uncoated 12 $104.23 -
A52426 ACT 0.8745 0.749 2-5/8 10 8 Uncoated 10 $104.78 -
A52427 ACT 0.8755 0.749 2-5/8 10 8 Uncoated 16 $114.05 -
A52428 ACT 0.8765 0.749 2-5/8 10 8 Uncoated 5 $114.05 -
A52429 ACT 0.877 0.749 2-5/8 10 8 Uncoated 18 $114.05 -
A52430 ACT 0.8775 0.749 2-5/8 10 8 Uncoated 6 $113.56 -
A52431 ACT 0.878 0.749 2-5/8 10 8 Uncoated 16 $114.05 -
A52432 ACT 0.934 0.749 2-5/8 10 8 Uncoated 7 $113.56 -
A52433 ACT 0.9345 0.749 2-5/8 10 8 Uncoated 11 $113.56 -
A52434 ACT 0.935 0.749 2-5/8 10 8 Uncoated 6 $113.56 -
A52435 ACT 0.9355 0.749 2-5/8 10 8 Uncoated 15 $113.56 -
A52436 ACT 0.936 0.749 2-5/8 10 8 Uncoated 9 $113.56 -
A52437 ACT 0.937 0.749 2-5/8 10 8 Uncoated Available to Order* $113.56 -
A52438 ACT 0.938 0.749 2-5/8 10 8 Uncoated 16 $124.65 -
A52439 ACT 0.939 0.749 2-5/8 10 8 Uncoated 10 $124.65 -
A52440 ACT 0.9395 0.749 2-5/8 10 8 Uncoated 10 $124.65 -
A52441 ACT 0.94 0.749 2-5/8 10 8 Uncoated 14 $124.65 -
A52442 ACT 0.9405 0.749 2-5/8 10 8 Uncoated 8 $124.65 -
A52443 ACT 0.997 0.874 2-3/4 10-1/2 8 Uncoated 11 $126.99 -
A52444 ACT 0.9975 0.874 2-3/4 10-1/2 8 Uncoated Available to Order* $126.99 -
A52445 ACT 0.998 0.874 2-3/4 10-1/2 8 Uncoated 19 $127.73 -
A52446 ACT 0.9985 0.874 2-3/4 10-1/2 8 Uncoated 12 $126.99 -
A52447 ACT 0.9995 0.874 2-3/4 10-1/2 8 Uncoated 12 $126.99 -
A52448 ACT 1.0005 0.874 2-3/4 10-1/2 8 Uncoated 17 $176.46 -
A52449 ACT 1.0015 0.874 2-3/4 10-1/2 8 Uncoated 15 $176.46 -
A52450 ACT 1.002 0.874 2-3/4 10-1/2 8 Uncoated 14 $176.46 -
A52451 ACT 1.0025 0.874 2-3/4 10-1/2 8 Uncoated 16 $176.46 -
A52452 ACT 1.003 0.874 2-3/4 10-1/2 8 Uncoated 17 $176.46 -
A52453 ACT 0.63 0.5615 2-1/4 9 8 Uncoated 22 $72.56
* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.