Brush Research GB31212 FLEX-HONE®, 3-1/2" (89mm) Diameter, 120 Grit, Silicon Carbide, For Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
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Brush Research GB31212 FLEX-HONE®, 3-1/2" (89mm) Diameter, 120 Grit, Silicon Carbide, For Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials

4.7/5
Product ID: 149138050
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Details

  • Material
    Silicon
  • Brand
    Flex-Hone
  • Grit Material
    Silicon
  • Bristle Type
    Abrasive To
  • Product Dimensions
    13.5"L x 5.1"W
Finishing finesse
🔧Versatile use
🇺🇸Made in USA

Description

🔩 Hone your skills with precision and ease!

  • WIDE GRIT SELECTION - 120 grit silicon carbide for optimal performance on various materials.
  • USER FRIENDLY DESIGN - Compatible with hand drills, drill presses, and CNC equipment.
  • PRECISION ENGINEERING - Self-centering and self-aligning for effortless use.
  • VERSATILE APPLICATIONS - Perfect for hydraulic, pneumatic, and engine cylinders.
  • EXCEPTIONAL FINISH QUALITY - Achieves a stunning crosshatch finish with minimal effort.

The Brush Research GB31212 FLEX-HONE® is a high-quality honing tool designed for professionals, featuring a 3-1/2" diameter and 120 grit silicon carbide abrasive. Made in the USA, it offers exceptional finishing capabilities on mild steel, stainless steel, cast iron, and softer ferrous materials. Its innovative oversized design ensures self-centering and self-aligning functionality, making it ideal for a variety of applications, including hydraulic and pneumatic cylinders, with a finish quality of 35 - 50 Microinch.

Have a Question? See What Others Asked

Wish one is best for a cylinder wall that is 75mm (2.95 inch) ?
Hello, my cylinder bore is 3 1/8" what size tool do i need to purchase thank you.
Can i use this to hone out an old cast iron pipe? it's about 3 3/4" now and i want it at 4" id. thanks
I see that it says tool is oversized. For a cylinder bore of 3.66, should I be getting the 3.75 or the 3.50 model?

Reviews

4.7

All from verified purchases

D**S

Perfect Tool for Smoothing Various Metal Surfaces

I recently tried out the Brush Research GB41824 FLEX-HONE® in 4-1/8" diameter with 240 grit, and I am amazed by its performance. This tool is ideal for working on mild steel, stainless steel, cast iron, and other softer ferrous materials. The results were fantastic – the surfaces were smooth and polished to perfection. I love how versatile this FLEX-HONE® is, making it a valuable addition to my workshop. I highly recommend it to anyone looking to achieve professional results with ease.

T**O

Five stars

The FLEX-HONE® is a game-changer for surface finishing! The 240-grit silicon carbide abrasive works flawlessly on mild steel, stainless steel, and cast iron. It delivers a smooth, uniform finish while removing burrs effortlessly. Durable and easy to use—highly recommended for professionals and DIYers. Consistent performance and great value. Five stars

L**R

Five stars!

The FLEX-HONE® is an outstanding tool for deburring and surface finishing! The 240-grit silicon carbide abrasive works perfectly on mild steel, stainless steel, and cast iron. It delivers a smooth, uniform finish with minimal effort. Durable and easy to use—highly recommended for automotive and machining applications. Great value for the quality.

R**O

This FLEX-HONE® GB41824 tool performs very well

This FLEX-HONE® GB41824 tool performs very well, truly achieving efficient and uniform deburring and polishing. The 240-grit silicon carbon sand material combined with the flexible brush wire can easily process the inner walls of various metals such as cast iron, stainless steel, and low carbon steel, improving the surface finish and contact performance.

S**E

A must-have for precision work.

The Brush Research GB41824 FLEX-HONE® is an outstanding tool for honing mild steel, stainless steel, and cast iron. The 240-grit silicon carbide abrasive delivers a smooth, consistent finish. Its 4-1/8" diameter is perfect for my applications, and the flexible design ensures even material removal. Highly durable and efficient—exceeds expectations! A must-have for precision work.

J**T

Great Tool for Engine Work

The 240 grit silicon carbide bristles work really well on stainless steel and mild steel, giving it a smooth finish. It’s easy to use and cleans up my parts without damage.

M**Y

5/5 stars!

The Brush Research GB41824 FLEX-HONE® is excellent for smoothing and deburring! The 4-1/8" (105mm) diameter and 240-grit silicon carbide abrasive work perfectly on mild steel, stainless steel, cast iron, and softer ferrous materials. Delivers a consistent finish, enhances performance, and lasts long. Highly recommended for professional and DIY use—great value for money! 5/5 stars!

D**N

Perfect Tool for Smoothing Surfaces

Get ready for a game-changer, folks! 🛠️ This brush is like magic for getting that smooth finish on steel and iron surfaces. It's seriously the best thing since sliced bread! I absolutely love how it effortlessly works on mild steel, stainless steel, and cast iron. Trust me, this tool is a must-have in your workshop. Can't recommend it enough! 🔥👌

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Brush Research Gb31212 Flex Hone 3 1 2 89mm Diameter | Desertcart GB