Reamers
Reamers are rotary cutting tools used to enlarge, smooth and finish the diameter of previously drilled holes to precise sizes. They are essential in metalworking, machining and manufacturing for creating accurate and smooth holes.
Featured Reamers
Kimball Midwest offers top-of-the-line reamers designed for professionals who demand the best in metalworking tools:
- 9/16 - 13/16 SP Edge Step Reamer: Specialized for create holes with multiple diameters in a single pass.
- 7/8" Super Primalloy® + Reamer: Enhanced durability and precision for your most demanding projects.
- 13/16" Super Primalloy® + Reamer: Precision engineered for exceptional performance in tough materials.
- 1/2" Super Primalloy® Frame Master Hole Enlarger: Perfect for enlarging holes while maintaining accuracy and surface finish.
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.
62 results
Super Primalloy® + High-Performance Reamers
HIGH PERFORMANCE REAMERS with a 30° helix for smooth cutting, designed to quickly and accurately enlarge holes. Left hand helix spiral with a right hand cut enhances safety by preventing hogging in. Modified spiral design offers increased control. Tool guard safety collar protects against accidents. Cuts stainless steel and tough alloys. Triple flatted shanks ensure faster chucking.
| Diameter | Pilot Hole | Flute Length | Overall Length | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
1/4"
|
3"
|
5"
|
High Speed Steel
|
1
|
824830
|
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|
|
|
|||||||
|
7/16"
|
1/4"
|
3-1/4"
|
5-1/4"
|
High Speed Steel
|
1
|
824831
|
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|
|
|
|||||||
|
1/2"
|
5/16"
|
3-15/16"
|
5-13/16"
|
High Speed Steel
|
1
|
824832
|
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|
|
|
|||||||
|
9/16"
|
5/16"
|
3-15/16"
|
5-15/16"
|
High Speed Steel
|
1
|
824833
|
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|
|
|
|||||||
|
5/8"
|
5/16"
|
4-1/2"
|
6-9/16"
|
High Speed Steel
|
1
|
824834
|
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|
|
|
|||||||
|
11/16"
|
1/2"
|
4-1/2"
|
6-9/16"
|
High Speed Steel
|
1
|
824835
|
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|
|
|
|||||||
|
3/4"
|
1/2"
|
4-15/16"
|
7"
|
High Speed Steel
|
1
|
824836
|
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|
|
|
|||||||
|
13/16"
|
1/2"
|
4-15/16"
|
7"
|
High Speed Steel
|
1
|
824837
|
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|
|
|
|||||||
|
7/8"
|
1/2"
|
5-3/16"
|
7-1/4"
|
High Speed Steel
|
1
|
824838
|
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|
|
|
|||||||
|
15/16"
|
5/8"
|
5-3/16"
|
7-1/4"
|
High Speed Steel
|
1
|
824839
|
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|
|
|
|||||||
|
1"
|
5/8"
|
5-7/16"
|
7-1/4"
|
High Speed Steel
|
1
|
824840
|
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|
|
|
|||||||
|
1-1/8"
|
13/16"
|
5-7/16"
|
7-1/4"
|
High Speed Steel
|
1
|
824812
|
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|
|
|
|||||||
Cryo-Gen Super Primalloy® Reamers
CRYO-GEN DESIGN ensures durability and longevity. MULTI-PHASE CRYOGENIC TREATMENT involves a 24 hour thermal cycle reaching -300°F to 400°F. Features WIDE LAND CONSTRUCTION for cutting efficiency, FERRO-GOLD & BLACK OXIDE for lubricity, and a 30° helix for smooth cutting. Designed for fast cutting of stainless steel and tough alloys. Safety enhanced with left hand helix and TOOL GUARD SAFETY COLLAR. Made in the U.S.A.
| Diameter | Pilot Hole | Number of Flutes | Overall Length | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
1/4"
|
4
|
5-7/8"
|
Hi-Tungsten Steel
|
1
|
824915
|
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|
|
|
|||||||
|
7/16"
|
1/4"
|
4
|
5-7/8"
|
Hi-Tungsten Steel
|
1
|
824916
|
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|
|
|
|||||||
|
1/2"
|
5/16"
|
5
|
5-7/8"
|
Hi-Tungsten Steel
|
1
|
824917
|
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|
|
|
|||||||
|
9/16"
|
5/16"
|
5
|
5-7/8"
|
Hi-Tungsten Steel
|
1
|
824918
|
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|
|
|
|||||||
|
5/8"
|
3/8"
|
5
|
6-3/8"
|
Hi-Tungsten Steel
|
1
|
824919
|
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|
|
|
|||||||
|
11/16"
|
7/16"
|
5
|
6-3/8"
|
Hi-Tungsten Steel
|
1
|
824920
|
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|
|
|
|||||||
|
3/4"
|
1/2"
|
5
|
6-7/8"
|
Hi-Tungsten Steel
|
1
|
824921
|
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|
|
|
|||||||
|
13/16"
|
1/2"
|
5
|
6-7/8"
|
Hi-Tungsten Steel
|
1
|
824922
|
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|
|
|
|||||||
|
7/8"
|
1/2"
|
5
|
6-7/8"
|
Hi-Tungsten Steel
|
1
|
824923
|
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|
|
|
|||||||
|
15/16"
|
5/8"
|
5
|
6-7/8"
|
Hi-Tungsten Steel
|
1
|
824924
|
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|
|
|
|||||||
|
1"
|
5/8"
|
5
|
6-7/8"
|
Hi-Tungsten Steel
|
1
|
824925
|
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|
|
|
|||||||
Maintenance Length Reamers
MAINTENANCE LENGTH REAMERS designed for tough-to-get-at areas. HIGH PERFORMANCE with a 30° helix for smooth cutting. SAFER IN USE with a left hand helix spiral. FAST CUTTING for deburring and enlarging holes in metal. REAMS HARD MATERIAL like stainless steel. FERRO-GOLD & BLACK OXIDE for superior lubricity. TRIPLE FLATTED SHANK reduces slipping. MADE IN THE U.S.A.
| Diameter | Pilot Hole | Number of Flutes | Overall Length | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
3/16"
|
3
|
4"
|
High Speed Steel
|
1
|
824940
|
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|
|
|
|||||||
|
1/2"
|
1/4"
|
3
|
4-5/8"
|
High Speed Steel
|
1
|
824941
|
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|
|
|
|||||||
|
5/8"
|
5/16"
|
5
|
5-3/16"
|
High Speed Steel
|
1
|
824942
|
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|
|
|
|||||||
|
3/4"
|
3/8"
|
5
|
5-3/4"
|
High Speed Steel
|
1
|
824943
|
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|
|
|
|||||||
Super Primalloy® Frame Master Hole Enlargers
HIGH-PERFORMANCE HOLE ENLARGEMENT designed for fast, easy, and safe creation of larger diameter holes. Replaces reamers and other tools, ideal for all types of hole enlargement. Increased safety with a 4-flute design for better control. Compact size for hard-to-reach areas. Made from HIGH-MOLYBDENUM STEEL with FERRO-GOLD SURFACE TREATMENT for smooth cutting.
| Diameter | Minimum Starting Hole Diameter | Flute Length | Overall Length | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
1/4"
|
1-7/8"
|
4-5/16"
|
High Molybdenum Steel
|
1
|
82382
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
1/2"
|
5/16"
|
1-7/8"
|
4-1/4"
|
High Molybdenum Steel
|
1
|
82383
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
9/16"
|
25/64"
|
1-7/8"
|
4-5/16"
|
High Molybdenum Steel
|
1
|
82384
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
3/4"
|
15/32"
|
1-7/8"
|
4-5/16"
|
High Molybdenum Steel
|
1
|
82385
|
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|
|
Package Weight: 0.4 lbs
|
|||||||
Handheld Maintenance Reamer
Quickly clean and enlarge holes in mild steel, aluminum, composites, fiberglass, brass, and more. Heavy duty O1 tool steel construction ensures long life and fast cutting. Dual density ergonomic handle combines hard and soft compounds for strength and comfort. Tapered design reams holes from 1/8 to 1/2 diameter.
| Diameter | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|
|
1/8" - 1/2"
|
01 Tool Steel
|
1
|
824230
|
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|
|
|
||||
Step Reamers
Quickly enlarge holes in material up to 1/2" thick with 5 hole enlargement steps in 1/16" increments for accuracy. Features a flatted shank with 3 flats to prevent spinning in the chuck. Superior hole quality achieved with a chamfer that deburrs edges. Black oxide finish enhances lubricity for longer life and faster hole enlargement.
| Diameter | Step Depth | Number of Hole Sizes | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
|
5/16" - 9/16"
|
1/2"
|
5
|
1
|
824602
|
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|
|
9/16" - 13/16"
|
1/2"
|
5
|
1
|
824603
|
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|
|
|
|||||
|
13/16" - 1-1/16"
|
1/2"
|
5
|
1
|
824604
|
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|
|
|
|||||
3/4" Weldon Shank Step Reamers
Quickly enlarges holes in material up to 1/2" thick with five steps in 1/16" increments for accuracy. Features a 3/4" weldon shank for direct attachment to magnetic base drills. Ensures superior hole quality with a chamfer that deburrs edges. Black oxide finish adds lubricity for longer life and faster hole enlargement.
| Diameter | Step Depth | Number of Hole Sizes | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
|
5/16" - 9/16"
|
1/2"
|
5
|
1
|
824605
|
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|
|
|
|||||
|
3/8" - 5/8"
|
1/2"
|
5
|
1
|
824606
|
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|
|
1" - 1-1/4"
|
1/2"
|
5
|
1
|
824608
|
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|
|
11/16" - 15/16"
|
1/2"
|
5
|
1
|
824607
|
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|
|
|
|||||
SP Edge Step Reamers
QUICK & ACCURATE hole enlargement for materials up to 1/2" thick. Five sizes in 1/16" increments for precision. HIGH-PERFORMANCE COATING with Aluminum Chromium Nitride (AlCrN) for longer life. SPLIT POINT design starts holes faster. FLATTED SHANK prevents spinning. Achieves SUPERIOR HOLE QUALITY with burr removal and finished edges.
| Diameter | Step Depth | Number of Hole Sizes | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
|
5/16" - 9/16"
|
1/2"
|
5
|
1
|
824702
|
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|
|
|
|||||
|
9/16" - 13/16"
|
1/2"
|
5
|
1
|
824703
|
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|
|
|
|||||
|
13/16" - 1-1/16"
|
1/2"
|
5
|
1
|
824704
|
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|
|
|
|||||
Super Primalloy® Hex Head Impact Reamers
Designed for enlarging and aligning holes using impact tools. Hex head impact design fits into impact sockets for pneumatic or battery-powered tools. Precision hole formation for off-size and misshapen holes. Safer reaming with shock absorption to prevent wrist twisting. Reams hard materials like steel and stainless steel. Ferro-Gold treatment ensures smooth cutting. MADE IN THE U.S.A.
| Diameter | Minimum Starting Hole Diameter | Flute Length | Overall Length | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/2"
|
19/64"
|
4"
|
5-1/2"
|
High Speed Steel
|
1
|
824800
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
9/16"
|
19/64"
|
4"
|
5-1/2"
|
High Speed Steel
|
1
|
824801
|
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|
|
Package Weight: 0.5 lbs
|
|||||||
|
5/8"
|
21/64"
|
4-1/2"
|
6"
|
High Speed Steel
|
1
|
824802
|
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|
|
Package Weight: 0.6 lbs
|
|||||||
|
11/16"
|
25/64"
|
4-1/2"
|
6-3/8"
|
High Speed Steel
|
1
|
824803
|
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|
|
Package Weight: 0.6 lbs
|
|||||||
|
3/4"
|
27/64"
|
5"
|
7"
|
High Speed Steel
|
1
|
824804
|
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|
|
Package Weight: 0.9 lbs
|
|||||||
|
13/16"
|
31/64"
|
5"
|
7"
|
High Speed Steel
|
1
|
824805
|
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|
|
Package Weight: 0.9 lbs
|
|||||||
|
7/8"
|
35/64"
|
5"
|
7"
|
High Speed Steel
|
1
|
824806
|
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|
|
Package Weight: 1.2 lbs
|
|||||||
|
15/16"
|
39/64"
|
5"
|
7"
|
High Speed Steel
|
1
|
824807
|
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|
|
Package Weight: 1.4 lbs
|
|||||||
|
1"
|
43/64"
|
5"
|
7"
|
High Speed Steel
|
1
|
824808
|
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|
|
Package Weight: 1.4 lbs
|
|||||||
|
1-1/8"
|
49/64"
|
5"
|
7"
|
High Speed Steel
|
1
|
824810
|
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|
|
Package Weight: 1.8 lbs
|
|||||||
|
1-3/16"
|
15/16"
|
7-3/8"
|
9-3/8"
|
High Speed Steel
|
1
|
824930
|
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|
|
Package Weight: 2.9 lbs
|
|||||||
|
1-5/16"
|
1-1/6"
|
7-3/8"
|
10"
|
High Speed Steel
|
1
|
824931
|
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|
|
Package Weight: 4 lbs
|
|||||||
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