20 Best 4 Inch Flex Hone [2024]

Are you looking for the best 4 Inch Flex Hone? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4 Inch Flex Hone.

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# Preview Product
1 Flex Hone 4' to 4.25' Heavy Duty Ball Hone SBC SBF New Flex Hone 4" to 4.25" Heavy Duty Ball Hone SBC SBF New
2 Flex Hone 4' To 4.125' SBC SBF Ball Hone For Cast Rings Flex Hone 4" To 4.125" SBC SBF Ball Hone For Cast Rings
3 Brush Research GBD40032 FLEX-HONE®, 4' (102mm) Diameter, 320 Grit, Silicon Carbide, for Mild Steel,... Brush Research GBD40032 FLEX-HONE®, 4" (102mm) Diameter, 320 Grit, Silicon Carbide, for Mild...
4 4 1/8' (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide 4 1/8" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide
5 Brush Research GB418180AO FLEX-HONE®, 4-1/8' (105mm) Diameter, 180 Grit, Aluminum Oxide, For... Brush Research GB418180AO FLEX-HONE®, 4-1/8" (105mm) Diameter, 180 Grit, Aluminum Oxide, For...
6 PMD Products 4-1/8' (105MM) BRM Cylinder Hone Flex-Hone 240 Grit Aluminum Oxide PMD Products 4-1/8" (105MM) BRM Cylinder Hone Flex-Hone 240 Grit Aluminum Oxide
7 CTA Tools 2292 H.D. Engine Cyl. Flex Hone - 101mm CTA Tools 2292 H.D. Engine Cyl. Flex Hone - 101mm
8 4 1/8' (105mm) Flex-Hone Cylinder Hone 120 grit silicon carbide 4 1/8" (105mm) Flex-Hone Cylinder Hone 120 grit silicon carbide
9 YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2'-7' Diameter with 3-Piece 4' Long Stones 220... YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2"-7" Diameter with 3-Piece 4" Long Stones...
10 YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2'-7' Diameter 4' Long Green Stones 220 Grit YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2"-7" Diameter 4" Long Green Stones 220 Grit
11 Brush Research Manufacturing - BC23424 FLEX-HONE Cylinder Hone, BC Series, Silicon Carbide Abrasive,... Brush Research Manufacturing - BC23424 FLEX-HONE Cylinder Hone, BC Series, Silicon Carbide...
12 Brush Research GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 3-1/2' Diameter, 240... Brush Research GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 3-1/2" Diameter,...
13 Flex Hone 4-1/8' (105MM) BRM Cylinder Hone 320 Grit Aluminum Oxide Flex Hone 4-1/8" (105MM) BRM Cylinder Hone 320 Grit Aluminum Oxide
14 Flex-Hone 4' (101MM) 600 Grit Silicon Carbide Commercial Grade Flex-Hone 4" (101MM) 600 Grit Silicon Carbide Commercial Grade
15 4' (101MM) Flex Hone 60 Grit Silicon Carbide Commercial Grade 4" (101MM) Flex Hone 60 Grit Silicon Carbide Commercial Grade
16 ABN Brake Cylinder Hone – 4in 3 Stone Piston Honing Tool Cylinder Bore Hone with 2in to 7in Honing... ABN Brake Cylinder Hone – 4in 3 Stone Piston Honing Tool Cylinder Bore Hone with 2in to 7in...
17 YOTOO 3-Piece Engine Cylinder Hone Adjustable Deglazer Set for Grinding Holes from Minium 3/4' to... YOTOO 3-Piece Engine Cylinder Hone Adjustable Deglazer Set for Grinding Holes from Minium 3/4" to...
18 YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2'-7' Diameter 4' Long Stones 220 Grit YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2"-7" Diameter 4" Long Stones 220 Grit
19 Flex-Hone 3-1/2' (89MM) 320 Grit Aluminum Oxide Flex-Hone 3-1/2" (89MM) 320 Grit Aluminum Oxide
20 Brush Research GBD40024 Heavy Duty FLEX-HONE, 4' (101 mm) Diameter, Silicon Carbide Abrasive, 240... Brush Research GBD40024 Heavy Duty FLEX-HONE, 4" (101 mm) Diameter, Silicon Carbide Abrasive, 240...
Bestseller No. 1
Flex Hone 4" to 4.25" Heavy Duty Ball Hone SBC SBF New
  • 240 Grit
  • Fits common V-8 Ford Chev Chrys 4" - 4.250" bore applications
SaleBestseller No. 3
Brush Research GBD40032 FLEX-HONE®, 4" (102mm) Diameter, 320 Grit, Silicon Carbide, for Mild Steel,...
  • [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool.
  • [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder...
  • [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for...
  • [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand...
  • [320 GRIT SILICON CARBIDE ABRASIVE]-Excellent on mild steel, stainless steel, cast iron and other softer ferrous materials. Typically achieves a...
Bestseller No. 4
4 1/8" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide
  • 4-1/8" (105mm) 180 Grit Flex hone made of silicon carbide
  • Bore Range 3.750"-4.125"
  • 13-1/2" Overall Length
  • tools required Use with any Cordless or Shop Air Drill
  • Made in the U.S.A.
Bestseller No. 5
Brush Research GB418180AO FLEX-HONE®, 4-1/8" (105mm) Diameter, 180 Grit, Aluminum Oxide, For...
  • [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool.
  • [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder...
  • [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for...
  • [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand...
  • [180 GRIT ALUMINUM OXIDE ABRASIVE]-Excellent on Aluminum, Brass, Bronze, and softer non-ferrous materials. 240 AO is commonly used for deglazing...
Bestseller No. 6
PMD Products 4-1/8" (105MM) BRM Cylinder Hone Flex-Hone 240 Grit Aluminum Oxide
  • Brand new sealed in package engine cylinder hone is for 3.625" to 4.125" BORES.
  • Perfect for Nikasil coated or chrome bores but will work with other engines as well.
  • 240 grit, EXCELLENT for reringing jobs or final bore.
  • Tool is is labeled as 4.125" diameter but is slightly larger to apply the required wall force for a 4 1/8" bore
  • Tool is self centering , Tool can be used with a 3/8" or 1/2" chuck portable drill or drill press
Bestseller No. 7
CTA Tools 2292 H.D. Engine Cyl. Flex Hone - 101mm
  • Wide range of professional automotive specialy tools
  • Professional grade
  • Heavy duty design
Bestseller No. 8
4 1/8" (105mm) Flex-Hone Cylinder Hone 120 grit silicon carbide
  • 4-1/8" (105mm) 120 Grit Flex hone made of silicon carbide
  • Bore Range 3.750"-4.125"
  • 13-1/2" Overall Length
  • No special tools required Use with any Cordless or Shop Air Drill
  • Made in the U.S.A.
Bestseller No. 9
YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2"-7" Diameter with 3-Piece 4" Long Stones 220...
  • Engine cylinder hone for deglazing engine cylinders 2-Inch to 7-Inch in diameter
  • Durable flexible shaft for easy use and self centering
  • Knurled wheel adjusts spring pressure of stones against cylinder bore
  • Cylinder Hone features 3 replaceable 4-Inch long 220 grit stones. And includes additional 3-Piece replacement stones for long time use.
  • WARRANTY&SUPPORT: One year warranty. Any problem, please feel free to contact us.
Bestseller No. 10
YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2"-7" Diameter 4" Long Green Stones 220 Grit
  • Engine cylinder hone for deglazing engine cylinders 2-Inch to 7-Inch in diameter
  • Durable flexible shaft for easy use and self centering
  • Knurled wheel adjusts spring pressure of stones against cylinder bore
  • Cylinder Hone features 3 replaceable 4-Inch long 220 grit stones
  • WARRANTY&SUPPORT: One year warranty. Any problem, please feel free to contact us.
Bestseller No. 11
Brush Research Manufacturing - BC23424 FLEX-HONE Cylinder Hone, BC Series, Silicon Carbide Abrasive,...
  • [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool.
  • [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder...
  • [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for...
  • [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand...
  • [240 GRIT SILICON CARBIDE ABRASIVE]-Excellent on mild steel, stainless steel, cast iron and other softer ferrous materials. Typically achieves a...
Bestseller No. 12
Brush Research GB Standard Duty Flex Hone for Block Cylinders, Aluminum Oxide, 3-1/2" Diameter, 240...
  • [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...
  • [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. 240 AO is commonly used for deglazing Nikasil...
Bestseller No. 13
Flex Hone 4-1/8" (105MM) BRM Cylinder Hone 320 Grit Aluminum Oxide
  • Brand new sealed in package engine cylinder hone is for 3.625" to 4.125" BORES.
  • Perfect for Nikasil coated or chrome bores but will work with other engines as well.
  • 320 grit, EXCELLENT for reringing jobs or final bore.
  • Tool is is labeled as 4.125" diameter but is slightly larger to apply the required wall force for a 4 1/8" bore
  • Tool is self centering , Tool can be used with a 3/8" or 1/2" chuck portable drill or drill press
Bestseller No. 14
Flex-Hone 4" (101MM) 600 Grit Silicon Carbide Commercial Grade
  • This brand new sealed in package Commercial Version engine cylinder hone is for 3.825" to 4.055" BORES.
  • That includes the popular engine bore sizes of 4.00", 4.030", 4.060" inch bores.
  • 600 grit, Excellent for those application requiring a fine finish
  • Made in USA by the one of the best cylinder hone manufacturers.
  • Hone can be used with a 3/8" or 1/2" chuck portable drill or drill press
Bestseller No. 15
4" (101MM) Flex Hone 60 Grit Silicon Carbide Commercial Grade
  • This brand new sealed in package Commercial Version engine cylinder hone is for 3.685" to 4.075" BORES.
  • 60 grit, For aggressive deburring or tube cleaning
  • Tool is labeled as 4.000" diameter, but is actually slightly larger to apply the required wall force for honing a 4" bore
  • THIS TOOL HAS MORE GLOBULES and THE 13 1/2" LONG SHAFT for production, commercial engine honing.
  • Self Centering, can be used with hand drill or drill press,
Bestseller No. 16
ABN Brake Cylinder Hone – 4in 3 Stone Piston Honing Tool Cylinder Bore Hone with 2in to 7in Honing...
  • [Make Break Repair Jobs Easier]: Remove carbon, rust, and heat glaze deposits from your caliper and piston cylinder walls with ABN 2 Inch Cylinder...
  • [Built to Last]: Flexible shaft and spread-control tension nut allow faster cutting and maneuverability; 3 stone design makes insertion easy by...
  • [Choose your Size]: Engine cylinder hone tool features 3 carbide stones that help you remove glaze build up on brake cylinders; 220 medium grit stones...
  • [Adjustable Range]: Control the range and pressure placed against cylinder for a smoother and cleaner surface; Spring and knurled adjusting nut...
  • [Service your Vehicles]: 11.5-inch (29.2cm) long brake wheel cylinder hone brake caliper tool fits your small cars, trucks, tractors, and diesel...
Bestseller No. 17
YOTOO 3-Piece Engine Cylinder Hone Adjustable Deglazer Set for Grinding Holes from Minium 3/4" to...
  • This YOTOO engine cylinder hone set has 3-Piece different sizes are packed for widely use. It can deglaze engine cylinder holes from minumium 3/4" to...
  • Durable flexible shaft for easy use and self centering
  • Knurled wheel adjusts spring pressure of stones against cylinder bore
  • Includes: 1pc 2"-7" Diameter cylinder hone tool with 3-Piece 4" Long Stones 220 grit; 1pc 1-1/4" to 3-1/2" Diameter cylinder hone tool with 3-Piece 2"...
  • WARRANTY&SUPPORT: One year warranty. Any problem, please feel free to contact us.
SaleBestseller No. 18
YOTOO Engine Cylinder Hone Tool Adjustable Deglazer 2"-7" Diameter 4" Long Stones 220 Grit
  • Engine cylinder hone for deglazing engine cylinders 2-Inch to 7-Inch in diameter
  • Durable flexible shaft for easy use and self centering
  • Knurled wheel adjusts spring pressure of stones against cylinder bore
  • Cylinder Hone features 3 replaceable 4-Inch long 220 grit stones
  • WARRANTY&SUPPORT: One year warranty. Any problem, please feel free to contact us.
Bestseller No. 19
Flex-Hone 3-1/2" (89MM) 320 Grit Aluminum Oxide
  • for all engine applications utilizing a 3.350" to 3.550"" or 85mm to 90mm
  • Perfect for for all Nikasil coated or chrome plated engine cylinder blocks materials.
  • with Nikasil Plated/Coated or Chrome Cylinder Walls.
  • - Brand new sealed in package Aluminum Oxide engine cylinder flex-hone.
  • Made in USA by the best cylinder hone manufacturer, FLEX-HONE.
Bestseller No. 20
Brush Research GBD40024 Heavy Duty FLEX-HONE, 4" (101 mm) Diameter, Silicon Carbide Abrasive, 240...
  • 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

Having trouble finding a great 4 Inch Flex Hone?

This problem is well understood by us because we have gone through the entire 4 Inch Flex Hone research process ourselves, which is why we have put together a comprehensive list of the best 4 Inch Flex Hones available in the market today.

After hours of searching and using all the models on the market, we have found the best 4 Inch Flex Hone for 2023. See our ranking below!

How Do You Buy The Best 4 Inch Flex Hone?

Do you get stressed out thinking about shopping for a great 4 Inch Flex Hone? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4 Inch Flex Hone, which is why we have assembled a comprehensive list of the greatest 4 Inch Flex Hone available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4 Inch Flex Hone that you consider buying. Your questions might include the following:

  • Is it worth buying an 4 Inch Flex Hone?
  • What benefits are there with buying an 4 Inch Flex Hone?
  • What factors deserve consideration when shopping for an effective 4 Inch Flex Hone?
  • Why is it crucial to invest in any 4 Inch Flex Hone, much less the best one?
  • Which 4 Inch Flex Hone are good in the current market?
  • Where can you find information like this about 4 Inch Flex Hone?

We’re convinced that you likely have far more questions than just these regarding 4 Inch Flex Hone, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4 Inch Flex Hone, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4 Inch Flex Hone. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4 Inch Flex Hone buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4 Inch Flex Hone currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4 Inch Flex Hone has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4 Inch Flex Hone?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4 Inch Flex Hone.
  5. Customer Ratings: Number ratings grade 4 Inch Flex Hone objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4 Inch Flex Hone.
  7. Product Quality: You don’t always get what you pay for with an 4 Inch Flex Hone, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4 Inch Flex Hone is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4 Inch Flex Hone information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4 Inch Flex Hone is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What size does a flex-hone come in?

A: Size Whatever size cylinder you’re working on, odds are there’s a Flex-Hone® that will fit the bill. They start at 4mm (5/32”) and run all the way up to 24-1/2”. (NOTE: Goodson doesn’t carry every single size, but if you need a size other than what is stocked, let us know and we’ll order it in for you).

Q: What size flex-Hone for block cylinder?

A: 4 to 4-1/8, 105mm, 120SC, (Grit) Standard duty Flex-Hones for Block Cylinders (13 1/2OAL)…You are bidding on a Brand NewBRM Standard Duty Flex-Hone part number GB41812. This hone is for a 4 – 4.125 inch bore and has a 120 Grit. This is for honing a block for cast rings.

Q: What size hone should I use for my cylinder?

A: If your cylinder is a non-standard size select the next largest size. For example, for a cylinder that has been machined to 3-3/8”, choose a 3-1/2” hone. The “flex” that’s build into the Flex-Hone® will adjust to the size difference.

Q: What types of abrasives are available in the flexflex-hones®?

A: Flex-Hones® are available in several abrasives – silicon-carbide, aluminum oxide, alumina zirconia and diamond are most common in engine building/machining. Each of these abrasives has a purpose. Silicon-Carbide is generally used on aluminum and cast iron but can also be used on brass and non-metallic materials.