Best Brush Research Flex Hones in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Brush Research Flex Hones

Brush Research FLEX-HONE Cylinder Hone, GB Series, Silicon Carbide Abrasive, 4-1/8" (105 mm) Diameter, 240 Grit Size
#TOP1
Brush Research Flex-Hone Cylinder Hone, Gb Series, Silicon
9.9
PM SCORE
Brush Research FLEX-HONE Cylinder Hone, BC Series, Silicon Carbide Abrasive, 2-1/2" (64 mm) Diameter, 240 Grit Size
#TOP2
Brush Research Flex-Hone Cylinder Hone, Bc Series, Silicon
9.8
PM SCORE
Brush Research FLEX-HONE Cylinder Hone, GBD Series, Silicon Carbide Abrasive, 3-3/4" (95 mm) Diameter, 240 Grit Size
#TOP3
Brush Research Flex-Hone Cylinder Hone, Gbd Series, Silicon
9.8
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 Brush Research Flex Hones of 2026

Market Overview
Brush Research Flex Hones Reviewed
  • Reviews Analyzed: 4436 Items
  • PM Avg. Rating: 6.2 / 10
19 Products Evaluated
  • Highest Price: $201.57
  • Lowest Price: $19.99
  • Avg. Price: $57.10

Brush Research Flex-Hone Cylinder Hone, Gb Series, Silicon Carbide Abrasive, 4-1/8" (105 Mm) Diameter, 240 Grit Size

FLEX-HONE
GB41824
13.50 X 5.00 X 5.10 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flexible abrasive cylinder hone for surface finishing and cross hole deburring

Self-centering, self-aligning, self-compensating for wear

Use by hand or in CNC equipment

Order by actual bore size, tool produced oversized

Sizes from 4mm to 36 inches

Brush Research Flex-Hone Cylinder Hone, Bc Series, Silicon Carbide Abrasive, 2-1/2" (64 Mm) Diameter, 240 Grit Size

FLEX-HONE
BC21224
8.00 X 4.70 X 3.10 Inches
0.37 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flexible abrasive cylinder hone for surface finishing and cross hole deburring

Self-centering, self-aligning, self-compensating for wear

Use by hand or in CNC equipment

Order by actual bore size, tool produced oversized

Sizes from 4mm to 36 inches

Brush Research Flex-Hone Cylinder Hone, Gbd Series, Silicon Carbide Abrasive, 3-3/4" (95 Mm) Diameter, 240 Grit Size

BRUSH RESEARCH
GBD33424
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flexible abrasive cylinder hone for surface finishing and cross hole deburring

Self-centering, self-aligning, self-compensating for wear

Use by hand or in CNC equipment

Order by actual bore size, tool produced oversized

Sizes from 4mm to 36 inches

Brush Research Flex-Hone Oil, 1 Quart Can (Pack Of 1)

FLEX-HONE
FHQ
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

For use with the Flex-Hone in honing all types of metals

Contains a blend of honing and lapping oils, a lard oil to stop galling of aluminum and aide in lubricating of the surface

Country Of Origin: United States

Brush Research Bc Standard Flex Hone For Brake Cylinders, Hydraulics And Valve Guides, Aluminum Oxide, 3/4" Diameter, 240 Grit (Pack Of 1)

FLEX-HONE
BC34240AO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[QUALITY]- Proudly Made in the USA. The FLEX-HONE is long lasting, lowering total cost of use compared to other brush options.

[DESIGN]- The FLEX-HONE is manufactured to be self-centering, self-aligning and self-compensating for wear for easy use.

[FINISHING BENEFITS]- Offered in a wide variety of grits and abrasives to allow machinists to achieve specific finishing tolerances as well as a beautiful crosshatch finish.

[CROSSHOLE DEBURRING]- Ideal for finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle.

[ALUMINUM OXIDE ABRASIVE]- Excellent on aluminum, brass, bronze, and softer non-ferrous materials.

Small Flex Hone For Lifter Bore Sbc Bbc .875" Or 7/8"

BRM
BC7818
8.00 X 1.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PMD Products 9.69

Brush Research 09247 Rifle Chamber Flex-Hone, Silicon Carbide, 800 Grit, For 5.56 Nato (Pack Of 1)

FLEX-HONE
09247
14.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[QUALITY]- Proudly Made in the USA. The FLEX-HONE improves firearm performance.

[IMPROVES THE FINISH]- Removes nicks and scratches and allows the rounds to “fall” from the cylinder with ease, and eject smoothly from your chamber.

[REMOVES BRASS SCARRING]- Reloads will enter quickly and smoothly.

[CLEANING BENEFITS]- Efficiently removes oxidation and corrosion from your rifle chamber.

[STYLE]- For 5.56 NATO in 800 Grit Silicon Carbide

Brush Research 3 3/4" (95Mm) Flex-Hone Cylinder Hone Tool 240 Grit (Silicon Carbide)

BRUSH RESEARCH
GB334240SC
13.00 X 3.80 X 13.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PMD Products 9.69

Features

Flexible Cylinder Hone made of Silicon Carbide

Hone is Made in USA by Brush Research Manufacturing

Hone is self centering and can be used with 3/8" or 1/2" chuck drill

Perfect for bore honing and cylinder refinishing

The hone size listed on the product is the bore it is intended to be used for (or slightly smaller bore will work)

Brush Research 14353 Automotive Flex-Hone® Kit, Diameters Included: 10Mm, 1/2", 5/8”, 3/4”, 7/8”, 1”, 1-1/4”, 1-1/2” 1-3/4” And 2”, 180 Grit, Silicon Carbide Abrasive (Pack Of 10)

FLEX-HONE
14353
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[QUALITY]- Proudly Made in the USA. The FLEX-HONE is long lasting, lowering total cost of use compared to other brush options.

[INCLUDES]- Kit contains 10 popular automotive FLEX-HONE sizes: 10mm, 1/2", 5/8”, 3/4”, 7/8”, 1”, 1-1/4”, 1-1/2” 1-3/4” and 2”.

[IDEAL FOR]- Silicon carbide abrasive is ideal for mild steel, stainless steel and cast iron materials.

[DESIGN]- The FLEX-HONE is manufactured to be self-centering, self-aligning and self-compensating for wear for easy use. Can be used in virtually any rotating spindle.

Brush Research Gb Standard Duty Flex Hone For Block Cylinders, Aluminum Oxide, 3-1/2" Diameter, 240 Grit (Pack Of 1)

BRUSH RESEARCH
GB312240AO
2.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PMD Products 9.69

Features

[QUALITY]- Proudly made in the USA. The FLEX-HONE is long lasting, lowering total cost of use compared to other brush options.

[DESIGN]- The FLEX-HONE is manufactured to be self-centering, self-aligning and self-compensating for wear for easy use.

[FINISHING BENEFITS]- Offered in a wide variety of grits and abrasives to allow machinists to achieve specific finishing tolerances as well as a beautiful crosshatch finish.

[CROSSHOLE DEBURRING]- Ideal for finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle.

Brush Research Flex-Hone For Rotors, Fine Grit (Pack Of 1)

FLEX-HONE
RMFH240Z25
4.00 X 3.00 X 3.00 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[MADE IN USA]- The FLEX-HONE is a BRM invention and is still Proudly Made in the USA.

[ELIMINATE BRAKE NOISE]- Easily produce the ideal non-directional crosshatch finish in seconds to lower harmonic vibration.

[APPLICATIONS]- Ideal for new and re-turned rotors, flywheels and clutch plates.

[FINE GRIT]- Choose Fine Grit FLEX-HONE for Rotors (240 grit) for light duty vehicles and when appearance is important like motorcycles and exposed rotors.

Heavy Duty Flex-Hone, 4-1/4" To 4-1/2", 114Mm, 240Sc

BRUSH RESEARCH
GBD41224
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.69

Features

Highly Recommended.

Classic design.

Top quality.

Brush Research Ch-B Medium Chamfer Flex-Hone, Silicon Carbide, 12Mm Diameter, 180 Grit (Pack Of 1)

FLEX-HONE
CHB12M18
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[QUALITY]- Proudly Made in the USA. The FLEX-HONE is long lasting, lowering total cost of use compared to other brush options.

[BENEFITS]- The FLEX-HONE for Chamfer Blending blends and radiuses sharp edges and removes microburrs on chamfered holes eliminating stress risers caused by the chamfering operation.

[STYLE]- Designed for 0.016"-0.030" Chamfer Size Range.

[MATERIALS]- Suitable for mild steel, stainless steel, cast iron and other softer ferrous materials.

Brush Research Flex-Hone For Rotors, Coarse Grit (Pack Of 1)

BRUSH RESEARCH
RMFH60Z25
4.00 X 3.00 X 3.00 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[MADE IN USA]- The FLEX-HONE is a BRM invention and is still proudly made in the USA.

[ELIMINATE BRAKE NOISE]- Easily produce the ideal non-directional crosshatch finish in seconds to lower harmonic vibration.

[APPLICATIONS]- Ideal for new and re-turned rotors, flywheels and clutch plates.

[COARSE GRIT]- Choose Coarse Grit FLEX-HONE for Rotors (60 grit) to blend poorly turned rotors, remove heavy corrosion or for use on flywheels.

Brush Research 2 7/8" (73Mm) Flex-Hone Cylinder Hone Tool 120 Grit (Silicon Carbide)

BRUSH RESEARCH
BC278120SC
8.00 X 2.90 X 8.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PMD Products 9.69

Features

Flexible Cylinder Hone made of Silicon Carbide

Hone is Made in USA by Brush Research Manufacturing

Hone is self centering and can be used with 3/8" or 1/2" chuck drill

Perfect for bore honing and cylinder refinishing

The hone size listed on the product is the bore it is intended to be used for (or slightly smaller bore will work)

Brush Research 09260 Rifle Chamber Flex-Hone, Silicon Carbide, 800 Grit, For 7.62X51Mm Nato (Pack Of 1)

FLEX-HONE
09260
12.00 X 2.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

[QUALITY]- Proudly Made in the USA. The FLEX-HONE improves firearm performance.

[IMPROVES THE FINISH]- Removes nicks and scratches and allows the rounds to “fall” from the cylinder with ease, and eject smoothly from your chamber.

[REMOVES BRASS SCARRING]- Reloads will enter quickly and smoothly.

[CLEANING BENEFITS]- Efficiently removes oxidation and corrosion from your rifle chamber.

[STYLE]- For 7.62X51mm NATO in 800 Grit Silicon Carbide

Flexit®: Red Mat Zapper Firm Flex Twin (Single)

GROOMERS HELPER
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Groomers Helper 5.71

Features

Firm brush-head, firm special mat-breaking bristles

Flexit® Red/Silver Firm Flex Mat Zapper Dog Grooming Brush – Undercoating Combo (Double)

GROOMERS HELPER
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Groomers Helper 5.71

Features

Two dog grooming brushes in one

Flexit® Gold Soft Flex Undercoating Twin Dog Grooming Brush (Double)

GROOMERS HELPER
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Groomers Helper 5.71

Features

50% less time on most dog brushing applications

Top 10 flex hones Brands on Amazon

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

Brand Count
Flex-Hone 9
Brush Research 6
Groomers Helper 3
Brm 1

Top 10 flex hones Brands Pie Chart


We've carried out a comprehensive analysis of 4,436 reviews on flex hones, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select flex hones priced around $57.10, with top brands including and brush research

Our team of expert editors reviewed these high-quality items and handpicked the top 19 flex hones for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and amazon.com and pmd products .

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