








🔩 Elevate your cylinder finish game with the Flex-Hone — where precision meets effortless perfection!
The Brush Research Flex-Hone GBD Series is a 3.75-inch diameter silicon carbide abrasive honing tool with 240 grit size, designed for superior surface finishing and deburring. Its flexible, self-centering design ensures consistent plateau finishes that enhance oil retention and seal performance across a wide range of applications, from automotive cylinders to firearms and industrial components. Compatible with hand use or CNC equipment, it offers sizes from 4mm to 36 inches, making it a versatile, professional-grade solution for precision honing.







| ASIN | B002XUL1LC |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 56,290 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 25 in Flex Hones |
| Customer Reviews | 4.7 4.7 out of 5 stars (332) |
| Cutting Diameter | 3.75 Inches |
| Date First Available | 10 Dec. 2013 |
| Grit Number | 240 |
| Grit type | Fine |
| Included components | GBD 3-3/4" (95MM) 240SC FLEX-HONE |
| Item Package Quantity | 1 |
| Item Weight | 454 g |
| Item diameter | 3.75 Inches |
| Item model number | GBD33424 |
| Manufacturer | Brush Research Mfg. |
| Measurement System | Inch |
| Number of pieces | 1 |
| Part number | GBD33424 |
| Recommended uses for product | Deburring, Finishing |
| Size | 3-3/4" |
| Style | 240 GRIT |
| UPC | 843469149404 |
| Unit count | 1.0 Count |
A**R
It was delivered promptly and worked very well.
D**A
En verdad cubre las espectativas que tenía del producto.
P**L
am a believer! Almost machine shop quality hone, but done at home
W**L
It worked prefect for me I did the 4 cylinder walls I needed to do.
P**S
Worked as it should. Took the glaze right off but a number of the silicone globules came off and some even cracked off. Used it as directed on the box. Kind of disappointed after only one use 👎🏻
Trustpilot
2 months ago
2 weeks ago