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๐ ๏ธ Elevate your cylinder game with the ultimate self-aligning hone!
The Brush Research BC23424 FLEX-HONE is a 2.75-inch diameter, 240 grit silicon carbide honing tool designed for mild steel, stainless steel, cast iron, and softer ferrous materials. Its oversized, self-centering design ensures optimal pressure and alignment for a precise plateau finish, ideal for automotive, hydraulic, and pneumatic cylinder refinishing. Made in the USA by the original inventors, it offers simultaneous deburring and finishing capabilities, delivering superior surface quality and extended seal life.













| ASIN | B002XUL0SG |
| Best Sellers Rank | #3,862 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Flex Hones |
| Brand | Flex-Hone |
| Brand Name | Flex-Hone |
| Bristle Type | Abrasive Globule Bonded To Flexible Nylon Filament |
| Color | Black |
| Compatible Material | Cast Iron, Mild Steel, Other Softer Ferrous Materials, Stainless Steel |
| Customer Reviews | 4.8 out of 5 stars 1,271 Reviews |
| Grit Material | Silicon Carbide |
| Grit Material Type | Silicon Carbide |
| Grit Number | 240 |
| Grit Type | 240 |
| Included Components | BC 2-3/4" (70MM) 240SC FLEX-HONE |
| Item Diameter | 2.75 inches |
| Item Dimensions | 8 x 4.7 x 3.7 inches |
| Manufacturer | Brush Research Manufacturing |
| Material | Silicon Carbide |
| Material Type | Silicon Carbide |
| Model | BC23424 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Number | BC23424 |
| Recommended Uses For Product | Deburring, Finishing |
| UPC | 843469124791 |
| Unit Count | 1 Count |
| Warranty Description | Manufacturer Warranty |
U**Y
Good quality
Perfect hone . Worked great . Used it on my chain saw cylinder when I put a new piston .
E**T
Perfect for lifter bore
Fantasies for lifter bore hone. Used 2 different grades to get the desired finish like a cylinder wall. Flat tappet motor is humming along now. Just follow the instructions. Cheap for the results I got
T**R
Did the job
Worked perfect for my 58mm bore and will many more times I'm sure.
S**3
flex hone 7mm
always a great product from BRM
S**.
Good product
I called Brush Research for a recommendation of 2 stroke cylinder. I received their recommended size and ended up putting it on the shelf and ordering a smaller size. The Flex Hone is a great product but keep in mind they are oversized to work in your bore. The 2 stroke cylinder needed a lighter touch due to the coating and ports.
E**Z
These were perfect for deglazing.
These were perfect for deglazing. Did 3 passes with these at 15 seconds a pass it it worked perfectly for a piston replacement and degalazing. Before you go getting these make sure all you want is deglazing and not an actual 3 stone deep cuting hone..
B**E
Good
Good for motorized bike 2 stroke minarelli
B**R
Quality
If your changing your cam buy this and condition your lifter bores ,use alittle wd40 and 2 or 3 quick passes in each bore no more with a slow to medium speed up and down for a cross hatch pattern lifters need to rotate to stay alive
D**D
Excellent Product
Worked great for honing 2001 Honda Civic cylinder walls. This restored the crosshatch in order for new piston rings to seat.
C**E
Works great
Worked perfectly to hone a snowmobile cylinder
E**E
Parfait
Parfait pour un cylindre de honda big red 200es
A**R
Good size for my yz125 jug
Work very well. Yz125 cylinder
S**A
Hone mop
This works very well. Soak in oil and reuse. Brilliant
Trustpilot
1 month ago
5 days ago