Best Round Expansion Reamers in 2026

Daisy
Last Updated: Feb 12, 2026

At a Glance: Our Top Picks for Round Expansion Reamers

uxcell Chucking Reamer 3/8", H7 HSS Lathe Machine Reamer 6 Straight Flutes, Round Shank Milling Cutting Tool, for Metal Non-Ferrous Metal Copper
#TOP1
Uxcell Chucking Reamer 3/8", H7 Hss Lathe Machine
9.3
PM SCORE
uxcell 1/8" 3/16" 1/4" 5/16" Chucking Reamer H7 Accuracy High Speed Steel Lathe Machine Reamer 6 Straight Flutes Round Shank Milling Cutter Tool Reamer Set for Bore Machining 4pcs
#TOP2
Uxcell 1/8" 3/16" 1/4" 5/16" Chucking Reamer H7
6.1
PM SCORE
uxcell Hand Reamer 5/8" High Speed Steel H7 8 Straight Flutes Hand Milling Cutter Tool
#TOP3
Uxcell Hand Reamer 5/8" High Speed Steel H7
6.1
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Round Expansion Reamers of 2026

Uxcell Chucking Reamer 3/8", H7 Hss Lathe Machine Reamer 6 Straight Flutes, Round Shank Milling Cutting Tool, For Metal Non-Ferrous Metal Copper

UXCELL
A18091400UX0318
3.94 X 0.39 X 0.39 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Specifications: Cutting Dia.: 3/8"; Tool flute length: 23.2mm / 0.91"; Overall length: 105mm / 4.13". High-speed steel tool is good for general purpose applications, with combination of hardness and toughness for wear resistance

Uncoated Tool: Features just the base substrate without any additional treatment or coatings, suitable for wide ranges of applications

Round Shank: Can be used with a wide variety of tool holding systems. Reamers are used for light cut, repair work, removing stock or simply for enlarging holes

Straight Flute Tool: Allows chips to collect in the flutes when cutting, well suited for most applications in shallow cuts

Application: Designed for accurate reaming in most materials, using all types of equipment including screw machines, turret lathes, drill presses and machining centers

Uxcell 1/8" 3/16" 1/4" 5/16" Chucking Reamer H7 Accuracy High Speed Steel Lathe Machine Reamer 6 Straight Flutes Round Shank Milling Cutter Tool Reamer Set For Bore Machining 4Pcs

UXCELL
A20103000UX0036
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amadeo City 9.86

Features

Specifications: Cutting diameter: 1/8", 3/16", 1/4", 5/16"; accuracy class: H7. The hand reamers ream the cylindrical shape. Good for general purpose applications. Straight round shank provides a stable holding and can be used with a variety of tool holding systems.

Material and Coating: Made of high-speed steel, the reamers have combination of hardness and toughness for wear resistance. The cutter body is sturdy and damage-resistant, with strong heat resistance that stable processing. Features just the base substrate without any coatings, suitable for wide ranges of applications.

Wide Applications: Sharp blade for easy cutting and high efficiency. Used for processing, and bore machining. Suitable for accurate reaming in aluminum, cast iron, copper, plastic, wood, alloy, and other soft materials.

Easy to Use: Can be used on screw machines, turret lathes, drilling and milling machines. Great for light cut, repair work, or simply for enlarging holes. Always keep reamers clean, and used with machine oil for long service use.

Straight Flute: Straight flute tools allow chips to collect in the flutes when cutting. Well suited for most applications in shallow cuts.

Uxcell Hand Reamer 5/8" High Speed Steel H7 8 Straight Flutes Hand Milling Cutter Tool

UXCELL
A18091400UX0328
6.30 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

High-speed Steel Tool: Good for general purpose applications, offering combination of hardness and toughness for wear resistance

Uncoated Tool: Features just the base substrate without any additional treatment or coatings, suitable for wide ranges of applications

Hand Reamer: Reamer can be hand operated by use of wrenches and used for light cut, repair work, removing stock or simply for enlarging holes

Straight Flute Tool: Allows chips to collect in the flutes when cutting, well suited for most applications in shallow cuts. Heat resistance, long service life

Application: Designed for accurate reaming in aluminum, cast iron, copper, magnesium alloy, plastic, wood, etc.

Uxcell Hand Reamers Set H8 Accuracy Alloy Tool Steel 6 Flutes Straight Shank Milling Cutter Tool 10Pcs (3Mm, 4Mm, 5Mm, 6Mm, 7Mm, 8Mm, 9Mm, 10Mm, 11Mm, 12Mm)

UXCELL
A20103000UX0076
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amadeo City 9.86

Features

Specifications: cutting diameter: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm; accuracy class: H8. The hand reamers ream the cylindrical shape. Good for general purpose applications.

Material and Coating: Made of alloy tool steel, the reamers have high hardness, durability, and provide finish cuts. Features just the base substrate without any coatings, suitable for wide ranges of applications.

Wide Applications: Used for handicraft processing, and bore machining. Suitable for accurate reaming in aluminum, cast iron, copper, plastic, wood, and other soft materials.

Easy to Use: Can be hand operated by use of wrenches. Great for light cut, repair work, or simply for enlarging holes. Always keep reamers clean, and used with machine oil for long service use.

Straight Flute: Straight flute tools allow chips to collect in the flutes when cutting. Well suited for most applications in shallow cuts.

Uxcell 2.5Mm Chucking Reamer, Tungsten Carbide Lathe Machine Reamer H7 4 Straight Flutes, Round Shank Milling Cutting Tool, For Stainless Steel Alloy Copper Metal

UXCELL
A19120900UX0890
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Specifications: Cutting dia.: 2.5mm / 0.1"; tool flute length: 25mm / 1.0"; overall length: 50mm / 2.0"; accuracy: H7. Tungsten carbide tool is hardened to 50HRC, good for general purpose applications

Uncoated Tool: Features just the base substrate without any additional treatment or coatings. Heat treated and quenched for stable performance, suitable for wide ranges of applications

Round Shank: Can be used with a wide variety of tool holding systems. Good for use in through or blind holes and used for light cut, repair work, removing stock

Features: Straight flute tool allows chips to collect in the flutes when cutting, well suited for applications in shallow cuts. Tungsten carbide reamer is with high hardness and strong wear resistance for long service life

Application: Designed for accurate reaming in stainless steel, alloy steel and other metal materials, used on equipment including screw machines, turret lathes, drill presses and machining centers

Uxcell 3/8" Hand Reamer H8 Accuracy Alloy Tool Steel 6 Flutes Straight Shank Milling Cutter Tool

UXCELL
A20103000UX0056
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Specifications: cutting diameter: 3/8"; accuracy class: H8. The hand reamers ream the cylindrical shape. Good for general purpose applications.

Material and Coating: Made of alloy tool steel, the reamers have high hardness, durability, and provide finish cuts. Features just the base substrate without any coatings, suitable for wide ranges of applications.

Wide Applications: Used for processing, handicraft processing, and bore machining. Suitable for accurate reaming in aluminum, cast iron, copper, plastic, wood, and other soft materials.

Easy to Use: Can be hand operated by use of wrenches. Great for light cut, repair work, or simply for enlarging holes. Always keep reamers clean, and used with machine oil for long service use.

Straight Flute: Straight flute tools allow chips to collect in the flutes when cutting. Well suited for most applications in shallow cuts.

Uxcell Chucking Reamer Set Lathe Machine Reamer Straight Flute Milling Cutter High Speed Steel H8 Tolerance (6Mm 8Mm 10Mm 12Mm) 4Pcs

UXCELL
A20102800UX0562
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Chucking Reamer: Size: 6mm, 8mm, 10mm, 12mm; tolerance: H8. Features just the base substrate without any additional coatings, good for wide ranges of applications

Material: High-speed steel tools are with combination of hardness and toughness for wear resistance, suitable for general purpose applications

Applications: Cut and remove the thin layer metal on hole surface that has been processed, mainly to improve the precision of holes and reduce the surface roughness

Features: Straight flute tools allow chips to collect in the flutes and can make shallow cuts in most applications

How to Use: Chucking reamers (machine reamers) are used on lathes, drill presses and screw machines. Designed for accurate reaming in stainless steel, aluminum, copper, alloy, plastic

Uxcell Adjustable Hand Reamer 11.75-12.75Mm High Speed Steel H8 6 Straight Flutes Milling Cutter Tool Metric Reaming Drill Bit For Metal

UXCELL
A18091400UX0333
5.91 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

High-speed Steel Reamers: Accuracy: H8; Adjustment Range: 11.75mm - 12.75mm (Cutting Diameter); Tool Flute Length: 45mm / 1.77"; Square Shank Size: 6.1mm / 0.24"; Overall Length: 136mm / 5.35". Provides durability, high hardness, good toughness, wear resistance, high temperature resistance, the ability to maintain sharpness over time.

Wide Applications: The reamer is designed to accurately enlarge, smooth or finish holes in stainless steel, cast iron, aluminum, non-ferrous metals, plastic, and wood, widely used in hole repair work, pipe and fittings, woodworking applications.

Hand Reamer: The reamer drill bit can be hand operated by use of a wrench, T-handle wrench, extension rod, drill chuck. Used for light cut, repair work, removing stock or simply for enlarging holes.

Straight Flute Reamer: Allows chips and debris to escape easily from the hole, well suited for most applications in shallow cuts. Can achieve the required roundness, straightness, and concentricity of the hole.

Uncoated Reamer Drill Bit: Features just the base substrate without any additional coatings, used on a wide range of materials. Tapping fluid or cutting oil can be used to lubricate the reamer and workpiece to help reduce friction and increase tool life.

Uxcell 1/8" Chucking Reamer H7 Accuracy High Speed Steel Lathe Machine Reamer 6 Straight Flutes Round Shank Milling Cutter Tool For Bore Machining 2Pcs

UXCELL
A20103000UX0044
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Specifications: Cutting diameter: 1/8"; accuracy class: H7. The hand reamers ream the cylindrical shape. Good for general purpose applications. Straight round shank provides a stable holding and can be used with a variety of tool holding systems.

Material and Coating: Made of high-speed steel, the reamers have combination of hardness and toughness for wear resistance. The cutter body is sturdy and damage-resistant, with strong heat resistance that stable processing. Features just the base substrate without any coatings, suitable for wide ranges of applications.

Wide Applications: Sharp blade for easy cutting and high efficiency. Used for processing, and bore machining. Suitable for accurate reaming in aluminum, cast iron, copper, plastic, wood, alloy, and other soft materials.

Easy to Use: Can be used on screw machines, turret lathes, drilling and milling machines. Great for light cut, repair work, or simply for enlarging holes. Always keep reamers clean, and used with machine oil for long service use.

Straight Flute: Straight flute tools allow chips to collect in the flutes when cutting. Well suited for most applications in shallow cuts.

Uxcell 3/8" 5/8" 1/2" 3/4" Chucking Reamer H7 Accuracy High Speed Steel Lathe Machine Reamer 6 Straight Flutes Round Shank Milling Cutter Tool Reamer Set For Bore Machining 4Pcs

UXCELL
A20103000UX0040
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amadeo City 9.86

Features

Specifications: Cutting diameter: 3/8", 5/8", 1/2", 3/4"; accuracy class: H7. The hand reamers ream the cylindrical shape. Good for general purpose applications. Straight round shank provides a stable holding and can be used with a variety of tool holding systems.

Material and Coating: Made of high-speed steel, the reamers have combination of hardness and toughness for wear resistance. The cutter body is sturdy and damage-resistant, with strong heat resistance that stable processing. Features just the base substrate without any coatings, suitable for wide ranges of applications.

Wide Applications: Sharp blade for easy cutting and high efficiency. Used for processing, and bore machining. Suitable for accurate reaming in aluminum, cast iron, copper, plastic, wood, alloy, and other soft materials.

Easy to Use: Can be used on screw machines, turret lathes, drilling and milling machines. Great for light cut, repair work, or simply for enlarging holes. Always keep reamers clean, and used with machine oil for long service use.

Straight Flute: Straight flute tools allow chips to collect in the flutes when cutting. Well suited for most applications in shallow cuts.

Uxcell Chucking Reamer Set Lathe Machine Reamer Straight Flute Milling Cutter High Speed Steel H7 Tolerance (4Mm 5Mm 6Mm 8Mm 10Mm 12Mm) 6Pcs

UXCELL
A20102800UX0557
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Chucking Reamer: Size: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm; tolerance: H7. Features just the base substrate without any additional coatings, good for wide ranges of applications

Material: High-speed steel tools are with combination of hardness and toughness for wear resistance, suitable for general purpose applications

Applications: Cut and remove the thin layer metal on hole surface that has been processed, mainly to improve the precision of holes and reduce the surface roughness

Features: Straight flute tools allow chips to collect in the flutes and can make shallow cuts in most applications

How to Use: Chucking reamers (machine reamers) are used on lathes, drill presses and screw machines. Designed for accurate reaming in stainless steel, aluminum, copper, alloy, plastic

Uxcell Chucking Reamer Set Lathe Machine Reamer Straight Flute Milling Cutter High Speed Steel H7 Tolerance (4Mm 5Mm 6Mm 8Mm 10Mm) 5Pcs

UXCELL
A20102800UX0559
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Chucking Reamer: Size: 4mm, 5mm, 6mm, 8mm, 10mm; tolerance: H7. Features just the base substrate without any additional coatings, good for wide ranges of applications

Material: High-speed steel tools are with combination of hardness and toughness for wear resistance, suitable for general purpose applications

Applications: Cut and remove the thin layer metal on hole surface that has been processed, mainly to improve the precision of holes and reduce the surface roughness

Features: Straight flute tools allow chips to collect in the flutes and can make shallow cuts in most applications

How to Use: Chucking reamers (machine reamers) are used on lathes, drill presses and screw machines. Designed for accurate reaming in stainless steel, aluminum, copper, alloy, plastic

Top 10 expansion reamers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Uxcell 12

Top 10 expansion reamers Brands Pie Chart


We've carried out a comprehensive analysis of 304 reviews on expansion reamers, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select expansion reamers priced around $15.49, with top brands including jerax tools, knkut, uxcell, wflnhb, neiko, findmall, cme tools, icrimp and bettomshin and walfront

Our team of expert editors reviewed these high-quality items and handpicked the top 12 expansion reamers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include jerax tools, jbtools, uxcell, wflnhb, amazon.com, amadeo city, actools, findmall and icrimptools and bettomshin us .

We are dedicated to assisting our users in finding the right reamers Products based on their needs, saving them considerable time when choosing which expansion reamers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.