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Reamers

Bad holes wreck fits, chew up bolts and waste time. Our reamers clean up off-size or misshapen holes fast, from tight maintenance-length tools to step reamers for material up to 1/2" thick. Use step styles for quick size changes and deburr in one pass, go impact hex-head when you need alignment with an impact tool. We keep them ready.

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71 results
Super Primalloy® + High-Performance Reamers
Super Primalloy® + High-Performance Reamers
Super Primalloy® + high speed steel reamers with a 30° left‑hand helix and right‑hand cutting action. Tool guard safety collar and triple‑flatted shank improve control and reduce slippage. Ferro‑Gold and black oxide finishes provide lubricity for faster, smoother hole enlargement.
Diameter Pilot Hole Flute Length Overall Length Material Finish Package Qty Item #
Price
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3/8"
1/4"
3"
5"
High Speed Steel
Black Oxide, Ferro-Gold
1
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7/16"
1/4"
3-1/4"
5-1/4"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1/2"
5/16"
3-15/16"
5-13/16"
High Speed Steel
Black Oxide, Ferro-Gold
1
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9/16"
5/16"
3-15/16"
5-15/16"
High Speed Steel
Black Oxide, Ferro-Gold
1
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5/8"
5/16"
4-1/2"
6-9/16"
High Speed Steel
Black Oxide, Ferro-Gold
1
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11/16"
1/2"
4-1/2"
6-9/16"
High Speed Steel
Black Oxide, Ferro-Gold
1
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3/4"
1/2"
4-15/16"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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13/16"
1/2"
4-15/16"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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7/8"
1/2"
5-3/16"
7-1/4"
High Speed Steel
Black Oxide, Ferro-Gold
1
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15/16"
5/8"
5-3/16"
7-1/4"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1"
5/8"
5-7/16"
7-1/4"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1-1/8"
13/16"
5-7/16"
7-1/4"
High Speed Steel
Black/Silver
1
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Step Reamer Sets
Step Reamer Sets
Step reamer sets for enlarging and finishing holes up to 1/2" thick. Made of high-speed tool steel with black oxide or AlCrN finishes. Flatted shanks resist slipping and split point tips improve self-centering and faster starts. Chamfered steps reduce burrs for cleaner holes.
Name Diameter Index Number of Pieces Finish Package Qty Item #
Price
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2 Piece SP Edge Step Reamer Set
5/16" - 13/16"
Plastic Case
2
Aluminum Chromium Nitride (AlCrN)
1
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2 Piece Step Reamer Set
5/16" - 13/16"
Plastic Case
2
Black Oxide
1
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3 Piece SP Edge Step Reamer Set
5/16" - 1-1/16"
Plastic Case
3
Aluminum Chromium Nitride (AlCrN)
1
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3 Piece Step Reamer Set
5/16" - 1-1/16"
Plastic Case
3
Black Oxide
1
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Cryo-Gen Super Primalloy® Reamers
Cryo-Gen Super Primalloy® Reamers
Cryo-Gen Super Primalloy® reamers are high tungsten steel cutting tools with multi‑phase cryogenic treatment for increased durability and longevity. Wide land geometry and a 30° helix provide smooth, fast cutting and deburring while Ferro‑Gold and black oxide finish improves lubricity. Made in the U.S.A.
Diameter Pilot Hole Number of Flutes Overall Length Material Finish Package Qty Item #
Price
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3/8"
1/4"
4
5-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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7/16"
1/4"
4
5-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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1/2"
5/16"
5
5-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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9/16"
5/16"
5
5-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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5/8"
3/8"
5
6-3/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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11/16"
7/16"
5
6-3/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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3/4"
1/2"
5
6-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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13/16"
1/2"
5
6-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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7/8"
1/2"
5
6-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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15/16"
5/8"
5
6-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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1"
5/8"
5
6-7/8"
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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Reamer Sets
Reamer Sets
Reamer sets for enlarging and finishing holes in metal, offered in high molybdenum, high-speed and tungsten steels with Ferro-Gold and black oxide finishes. Spiral and multi‑flute designs improve cutting control and safety and provide smoother, faster hole enlargement for repair work.
Name Diameter Index Number of Pieces Material Finish Package Qty Item #
Price
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3 Piece Cryo-Gen SP Reamer Set (1/2" - 3/4")
1/2" - 3/4"
Blow Molded Case
3
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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4 Piece Cryo-Gen SP Reamer Set
3/8"
Blow Molded Case
4
High Tungsten Steel
Black Oxide, Ferro-Gold
1
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SP Maintenance Length Reamer Set
3/8" - 3/4"
Ultra Index
8
High Speed Steel
Black Oxide, Ferro-Gold
1
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Super Primalloy® + Reamer Set (1/2" - 3/4")
1/2" - 3/4"
Blow Molded Case
3
High Speed Steel
Black Oxide, Ferro-Gold
1
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Super Primalloy® + Reamer Set (3/8" - 3/4")
3/8" - 3/4"
Blow Molded Case
4
High Speed Steel
Black Oxide, Ferro-Gold
1
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6 Piece Frame Master Set with Pilot Drill Bits
1/2" - 3/4"
8-Piece Hand Held
6
High Molybdenum Steel
Black Oxide, Ferro-Gold
1
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SP Edge Step Reamers
SP Edge Step Reamers
SP Edge step reamers are multi-step cutting tools with a split point and three-flatted shank for secure chucking. AlCrN coating provides added lubricity and longer life. Each tool offers five 1/16" incremental sizes and a chamfered step that improves hole finish.
Diameter Step Depth Number of Hole Sizes Finish Package Qty Item #
Price
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5/16" - 9/16"
1/2"
5
Aluminum Chromium Nitride (AlCrN)
1
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9/16" - 13/16"
1/2"
5
Aluminum Chromium Nitride (AlCrN)
1
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13/16" - 1-1/16"
1/2"
5
Aluminum Chromium Nitride (AlCrN)
1
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Step Reamers
Step Reamers
Step reamers for enlarging holes up to 1/2" thick with five 1/16" increment steps. Black oxide finish provides lubricity and longer life. Flatted shank with three flats helps prevent slipping in the chuck and chamfered steps improve hole quality and deburring.
Diameter Step Depth Chuck Size Number of Hole Sizes Finish Package Qty Item #
Price
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5/16" - 9/16"
1/2"
3/8"
5
Black Oxide
1
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9/16" - 13/16"
1/2"
3/8"
5
Black Oxide
1
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13/16" - 1-1/16"
1/2"
3/8"
5
Black Oxide
1
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3/4" Weldon Shank Step Reamers
3/4" Weldon Shank Step Reamers
3/4" Weldon shank step reamers for enlarging holes up to 1/2" thick. Each unit has five 1/16" increment steps and a chamfered next step that deburrs for superior hole quality. Black oxide finish provides lubricity and helps extend tool life.
Diameter Step Depth Chuck Size Number of Hole Sizes Finish Package Qty Item #
Price
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5/16" - 9/16"
1/2"
3/4"
5
Black Oxide
1
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3/8" - 5/8"
1/2"
3/4"
5
Black Oxide
1
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11/16" - 15/16"
1/2"
3/4"
5
Black Oxide
1
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1" - 1-1/4"
1/2"
3/4"
5
Black Oxide
1
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Super Primalloy® Hex Head Impact Reamers
Super Primalloy® Hex Head Impact Reamers
Super Primalloy® hex head impact reamers. Made from high speed steel with black oxide and Ferro-Gold finish. Hex head fits impact sockets for use with pneumatic or battery impact tools. Provides precision reaming of steel and stainless steel and reduces operator shock. Made in the U.S.A.
Diameter Pilot Hole Flute Length Overall Length Material Finish Package Qty Item #
Price
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1/2"
19/64"
4"
5-1/2"
High Speed Steel
Black Oxide, Ferro-Gold
1
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9/16"
19/64"
4"
5-1/2"
High Speed Steel
Black Oxide, Ferro-Gold
1
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5/8"
21/64"
4-1/2"
6"
High Speed Steel
Black Oxide, Ferro-Gold
1
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11/16"
25/64"
4-1/2"
6-3/8"
High Speed Steel
Black Oxide, Ferro-Gold
1
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3/4"
27/64"
5"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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13/16"
31/64"
5"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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7/8"
35/64"
5"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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15/16"
39/64"
5"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1"
43/64"
5"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1-1/8"
49/64"
5"
7"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1-3/16"
15/16"
7-3/8"
9-3/8"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1-5/16"
1-1/6"
7-3/8"
10"
High Speed Steel
Black Oxide, Ferro-Gold
1
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Maintenance Length Reamers
Maintenance Length Reamers
Maintenance length reamers made from high speed steel with a 30° left-hand helix and right-hand cut for safer, smooth cutting. Ferro-Gold and black oxide finish provides lubricity and helps resist wear. Shorter design improves strength and access in tight areas. Made in the U.S.A.
Diameter Pilot Hole Number of Flutes Overall Length Material Finish Package Qty Item #
Price
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3/8"
3/16"
3
4"
High Speed Steel
Black Oxide, Ferro-Gold
1
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1/2"
1/4"
3
4-5/8"
High Speed Steel
Black Oxide, Ferro-Gold
1
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5/8"
5/16"
5
5-3/16"
High Speed Steel
Black Oxide, Ferro-Gold
1
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3/4"
3/8"
5
5-3/4"
High Speed Steel
Black Oxide, Ferro-Gold
1
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Super Primalloy® Frame Master Hole Enlargers
Super Primalloy® Frame Master Hole Enlargers
Super Primalloy® Frame Master hole enlargers are high-molybdenum steel tools with a 4-flute rotary propeller point and Ferro-Gold surface treatment. The short flatted shank design improves control and reduces slippage, providing fast, smooth hole enlargement for frames and thin material.
Diameter Pilot Hole Flute Length Overall Length Material Finish Package Qty Item #
Price
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3/8"
1/4"
1-7/8"
4-5/16"
High Molybdenum Steel
Black Oxide, Ferro-Gold
1
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1/2"
5/16"
1-7/8"
4-1/4"
High Molybdenum Steel
Black Oxide, Ferro-Gold
1
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9/16"
25/64"
1-7/8"
4-5/16"
High Molybdenum Steel
Black Oxide, Ferro-Gold
1
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3/4"
15/32"
1-7/8"
4-5/16"
High Molybdenum Steel
Black Oxide, Ferro-Gold
1
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130 of 71 Results

Featured Reamers

Kimball Midwest offers top-of-the-line reamers designed for professionals who demand the best in metalworking tools:

Why Kimball Midwest Reamers?

Kimball Midwest reamers are crafted for precision and durability. Our advanced lines, including the Super Primalloy®, SP Edge and the innovative Cryo-Gen series, match the high standards of professionals across industries.

Get in touch with a local sales representative today to get the reamers you need.

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