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  7. Reamers
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  9. Expansion Reamers

Expansion Reamers (128 items)

Milwaukee Tool Reamer Attachment for M18 FUEL Compact Band Saw 49-90-2029
Milwaukee Tool

Reamer Attachment for M18 FUEL Compact Band Saw

Zoro # G9265340
Mfr # 49-90-2029
product price:  $39.99
/ea
Drill America 1/2" HSS Straight Flute Hand Expansion Reamer DWRRHDE1/2
Drill America

1/2" HSS Straight Flute Hand Expansion Reamer

Zoro # G1826249
Mfr # DWRRHDE1/2
product price:  $109.99
/ea
Drill America 3/8" HSS Straight Shank Machine Expansion Reamer DWRRE3/8
Drill America

3/8" HSS Straight Shank Machine Expansion Reamer

Zoro # G1830065
Mfr # DWRRE3/8
product price:  $59.85
/ea
Drill America 1" HSS Spiral Flute Hand Expansion Reamer DWRRHDES1INCH
Drill America

1" HSS Spiral Flute Hand Expansion Reamer

Zoro # G1832804
Mfr # DWRRHDES1INCH
product price:  $184.99
/ea
Yankee ExpansionReamer, 10in, Straight, 7/8in 431-7/8
Yankee

ExpansionReamer, 10in, Straight, 7/8in

Zoro # G5924274
Mfr # 431-7/8
product price:  $258.99
/ea
Alfa Tools 1/4"-1-1/2" Plumber'S Premium High-Speed Steel Reamer MR54575
Alfa Tools

1/4"-1-1/2" Plumber'S Premium High-Speed Steel Reamer

Zoro # G6469182
Mfr # MR54575
product price:  $47.15
/ea
Drill America 5/8" HSS Taper Shank Machine Expansion Reamer DWRRETS5/8
Drill America

5/8" HSS Taper Shank Machine Expansion Reamer

Zoro # G1841484
Mfr # DWRRETS5/8
product price:  $72.49
/ea
Yankee Expansion Reamer, 8 in, Straight, 1/2 in 432-1/2
Yankee

Expansion Reamer, 8 in, Straight, 1/2 in

Zoro # G6005255
Mfr # 432-1/2
product price:  $169.99
/ea
Yankee Expansion Reamer, 9 in, Straight, 5/8 in 432-5/8
Yankee

Expansion Reamer, 9 in, Straight, 5/8 in

Zoro # G5883394
Mfr # 432-5/8
product price:  $188.99
/ea
Hardin Industrial 18V Cordless PEX-A Expansion Tool Kit with Heads (1/2in, 3/4in, 1in), Battery and Charger HD-8200
Hardin Industrial

18V Cordless PEX-A Expansion Tool Kit with Heads (1/2in, 3/4in, 1in), Battery and Charger

Zoro # G321724439
Mfr # HD-8200
product price:  $575.99
/ea
Yankee Expansion Reamer, 8 in, Straight, 1/2 in 431-1/2
Yankee

Expansion Reamer, 8 in, Straight, 1/2 in

Zoro # G5991955
Mfr # 431-1/2
product price:  $146.69
/ea
Yankee ExpansionReamer, 12-1/2in, 1-1/2in 431-1-1/2
Yankee

ExpansionReamer, 12-1/2in, 1-1/2in

Zoro # G6003277
Mfr # 431-1-1/2
product price:  $460.99
/ea
Kodiak Cutting Tools 3/8 High Speed Steel Expansion Reamer Straight Flute Taper Shank 5494819
Kodiak Cutting Tools

3/8 High Speed Steel Expansion Reamer Straight Flute Taper Shank

Zoro # G8624229
Mfr # 5494819
product price:  $144.99
/ea
Kodiak Cutting Tools 5/8 High Speed Steel Expansion Reamer Straight Flute Taper Shank 5494907
Kodiak Cutting Tools

5/8 High Speed Steel Expansion Reamer Straight Flute Taper Shank

Zoro # G8620640
Mfr # 5494907
product price:  $173.99
/ea
Kodiak Cutting Tools 1-1/16 Inch HSS Expansion Reamer Straight Flute Straight Shank 5494698
Kodiak Cutting Tools

1-1/16 Inch HSS Expansion Reamer Straight Flute Straight Shank

Zoro # G8602206
Mfr # 5494698
product price:  $306.99
/ea
Kodiak Cutting Tools 1-3/16 Inch HSS Expansion Reamer Straight Flute Straight Shank 5494742
Kodiak Cutting Tools

1-3/16 Inch HSS Expansion Reamer Straight Flute Straight Shank

Zoro # G8593754
Mfr # 5494742
product price:  $335.99
/ea
Qualtech Hand Expansion Reamer, Series DWRRHDES, 12 Diameter, 5 Overall Length, Round Shank, Spiral Flute DWRRHDES1/2
Qualtech

Hand Expansion Reamer, Series DWRRHDES, 12 Diameter, 5 Overall Length, Round Shank, Spiral Flute

Zoro # G608027277
Mfr # DWRRHDES1/2
product price:  $171.99
/ea
Kodiak Cutting Tools 3/4 High Speed Steel Expansion Reamer Straight Flute Taper Shank 5494951
Kodiak Cutting Tools

3/4 High Speed Steel Expansion Reamer Straight Flute Taper Shank

Zoro # G8633749
Mfr # 5494951
product price:  $228.99
/ea
Kodiak Cutting Tools 13/16 High Speed Steel Expansion Reamer Straight Flute Straight Shank 5494610
Kodiak Cutting Tools

13/16 High Speed Steel Expansion Reamer Straight Flute Straight Shank

Zoro # G8608208
Mfr # 5494610
product price:  $211.99
/ea
Garant Backing roller, Diameter: 100x100 mm, Type: AIR 568577 AIR
Garant

Backing roller, Diameter: 100x100 mm, Type: AIR

Zoro # G311470094
Mfr # 568577 AIR
product price:  $241.99
/ea
Qualtech Hand Expansion Reamer, Series DWRRHDE, 932 Diameter, 4 Overall Length, Round Shank, Straight Flu DWRRHDE9/32
Qualtech

Hand Expansion Reamer, Series DWRRHDE, 932 Diameter, 4 Overall Length, Round Shank, Straight Flu

Zoro # G108027364
Mfr # DWRRHDE9/32
product price:  $131.99
/ea
Garant Backing roller, Diameter: 90x100 mm, Type: AIR 568575 AIR
Garant

Backing roller, Diameter: 90x100 mm, Type: AIR

Zoro # G111470126
Mfr # 568575 AIR
product price:  $198.99
/ea
Qualtech Hand Expansion Reamer, Series DWRRHDES, 14 Diameter, 378 Overall Length, Round Shank, Spiral F DWRRHDES1/4
Qualtech

Hand Expansion Reamer, Series DWRRHDES, 14 Diameter, 378 Overall Length, Round Shank, Spiral F

Zoro # G308027294
Mfr # DWRRHDES1/4
product price:  $144.99
/ea
Qualtech Hand Expansion Reamer, Series DWRRHDE, 138 Diameter, 1012 Overall Length, Round Shank, Straig DWRRHDE1-3/8
Qualtech

Hand Expansion Reamer, Series DWRRHDE, 138 Diameter, 1012 Overall Length, Round Shank, Straig

Zoro # G508027230
Mfr # DWRRHDE1-3/8
product price:  $529.99
/ea
Qualtech Hand Expansion Reamer, Series DWRRHDE, 316 Diameter, 338 Overall Length, Round Shank, Straight DWRRHDE3/16
Qualtech

Hand Expansion Reamer, Series DWRRHDE, 316 Diameter, 338 Overall Length, Round Shank, Straight

Zoro # G708027313
Mfr # DWRRHDE3/16
product price:  $128.99
/ea
Kodiak Cutting Tools 1-3/8 Inch HSS Expansion Reamer Straight Flute Straight Shank 5494786
Kodiak Cutting Tools

1-3/8 Inch HSS Expansion Reamer Straight Flute Straight Shank

Zoro # G8611139
Mfr # 5494786
product price:  $386.99
/ea
Kodiak Cutting Tools 1/2 High Speed Steel Expansion Reamer Straight Flute Taper Shank 5494863
Kodiak Cutting Tools

1/2 High Speed Steel Expansion Reamer Straight Flute Taper Shank

Zoro # G8611586
Mfr # 5494863
product price:  $154.99
/ea
Kodiak Cutting Tools 3/8 High Speed Steel Expansion Reamer Straight Flute Straight Shank 5494456
Kodiak Cutting Tools

3/8 High Speed Steel Expansion Reamer Straight Flute Straight Shank

Zoro # G8586517
Mfr # 5494456
product price:  $129.99
/ea
Kodiak Cutting Tools 15/32 High Speed Steel Expansion Reamer Straight Flute Straight Shank 5494489
Kodiak Cutting Tools

15/32 High Speed Steel Expansion Reamer Straight Flute Straight Shank

Zoro # G8581294
Mfr # 5494489
product price:  $141.99
/ea
Kodiak Cutting Tools 1 Inch HSS Expansion Reamer Straight Flute Straight Shank 5494676
Kodiak Cutting Tools

1 Inch HSS Expansion Reamer Straight Flute Straight Shank

Zoro # G8617518
Mfr # 5494676
product price:  $296.99
/ea
Kodiak Cutting Tools 1/2 High Speed Steel Expansion Reamer Straight Flute Straight Shank 5494500
Kodiak Cutting Tools

1/2 High Speed Steel Expansion Reamer Straight Flute Straight Shank

Zoro # G8588845
Mfr # 5494500
product price:  $152.99
/ea
Kodiak Cutting Tools 9/16 High Speed Steel Expansion Reamer Straight Flute Straight Shank 5494522
Kodiak Cutting Tools

9/16 High Speed Steel Expansion Reamer Straight Flute Straight Shank

Zoro # G8592659
Mfr # 5494522
product price:  $168.99
/ea
Kodiak Cutting Tools 7/8 High Speed Steel Expansion Reamer Straight Flute Taper Shank 5494995
Kodiak Cutting Tools

7/8 High Speed Steel Expansion Reamer Straight Flute Taper Shank

Zoro # G8624956
Mfr # 5494995
product price:  $264.99
/ea
Kodiak Cutting Tools 9/16 High Speed Steel Expansion Reamer Straight Flute Taper Shank 5494885
Kodiak Cutting Tools

9/16 High Speed Steel Expansion Reamer Straight Flute Taper Shank

Zoro # G8623127
Mfr # 5494885
product price:  $161.99
/ea
Kodiak Cutting Tools 1-7/16 Inch HSS Expansion Reamer Straight Flute Taper Shank 5495160
Kodiak Cutting Tools

1-7/16 Inch HSS Expansion Reamer Straight Flute Taper Shank

Zoro # G8652037
Mfr # 5495160
product price:  $442.99
/ea
Kodiak Cutting Tools 1-1/32 Inch HSS Expansion Reamer Straight Flute Taper Shank 5495050
Kodiak Cutting Tools

1-1/32 Inch HSS Expansion Reamer Straight Flute Taper Shank

Zoro # G8638168
Mfr # 5495050
product price:  $291.99
/ea
Expansion Reamers (128 items)
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About Expansion Reamers

Expansion reamers are specialized tools used to enlarge existing holes in metal or wood. They are designed with a cutting edge that can expand the hole as it is rotated, and they come in various sizes and styles for different types of applications.

Types of Expansion Reamers

There are many different types of expansion reamers available, including solid carbide, high speed steel, cobalt alloy, and spiral flute. Each type is best suited for certain materials and applications due to their unique design features. For example, solid carbide reamers are great for machining harder materials like stainless steel while high speed steel reamers are better suited for softer metals.

How Expansion Reamers Are Made

Expansion reamers are made using a variety of materials such as high-grade steel alloys, titanium alloys, tungsten carbide inserts, diamond-coated surfaces, and special coatings. They must also be constructed with precise tolerances in order to ensure the best results when enlarging holes.

Industries That Use Expansion Reamers

Expansion reamers can be found in use across many industries including automotive repair shops, machine shops, aerospace engineering firms, plumbing contractors and more. Professionals rely on these tools to quickly expand existing holes without damaging surrounding material.

Find the Expansion Reamers You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of Expansion Reamers along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.

Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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