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🔧 Elevate your cylinder prep game with precision and ease!
The Brush Research BC78400AO Flex-Hone® is a 7/8" diameter, 400 grit aluminum oxide honing tool designed for soft non-ferrous materials like aluminum, brass, and bronze. Proudly made in the USA, its oversized, self-centering design delivers a consistent crosshatch finish that enhances oil retention and seal life. Ideal for automotive, hydraulic, and pneumatic cylinder refinishing, it also deburrs crossholes efficiently, making it a must-have for professional and DIY engine rebuilds.
| ASIN | B002T01VTI |
| Best Sellers Rank | #28,737 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in Flex Hones |
| Brand | Flex-Hone |
| Brand Name | Flex-Hone |
| Bristle Type | Abrasive Globule Bonded To Flexible Nylon Filament |
| Compatible Material | Aluminum, Brass, Bronze, Nikasil Cylinders, Softer Non-Ferrous Materials |
| Customer Reviews | 4.4 out of 5 stars 32 Reviews |
| Grit Material | Aluminum Oxide |
| Grit Material Type | Aluminum Oxide |
| Grit Number | 400 |
| Grit Type | 400 Grit |
| Included Components | FLEX-HONE® Tool |
| Item Diameter | 0.88 Inches |
| Item Dimensions | 8 x 0.88 x 0.04 inches |
| Item Weight | 2.08 ounces |
| Manufacturer | Brush Research Manufacturing |
| Material | Aluminum Oxide |
| Material Type | Aluminum Oxide |
| Model | BC78400AO |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Part Number | BC78400AO |
| UPC | 843469130907 |
| Unit Count | 1.0 Count |
| Warranty Description | Manufacturer Warranty |
L**N
Worked for exactly what I needed.
I needed a flex hone to clean up the inside of a Moen Positemp shower valve, when replacing a leaking cartridge. This worked perfectly to clean the corrosion and scale from the inside of the valve body, and left a pristine surface for the new cartridge to seal against. I’ve used these for years on engine cylinders, so I had no doubt it would do the job needed. These are a bit pricey, but it was less expensive than replacing the entire faucet assembly in my shower.
B**S
Great product
Need to repair a damaged cylinder wall or cylinder with scratches. This is the tool works great and restores the cross hatches needed in a cylinder. Highly recommended!!!
A**R
Quality product
Flex hone brand are a quality product, used for chainsaw cylinder. Works well.
J**N
Great product
Bought for my 1965 390 FE. Worked very well with WD-40. Great cross hatch. Easy to use.
D**E
Fast response, excellent product!
These hones are excellent quality with great longevity. I build custom saws, and they always have what I'm looking for. Very fast delivery.
M**D
PERFECT
DID GREAT FOR LIFT BORE. IN A 5.3 LS.
J**O
Great hone
This hone worked great, as expected.
D**H
Best to use a bit of honing oil
I have several sizes of these hones. All work well. Best to use a bit of honing oil.
Trustpilot
2 weeks ago
2 weeks ago