GBD414800BC FLEX-HONE, 4.250" (108mm) bore, 13.5" OAL, 800 Grit, Boron Carbide (BC) MPN:GBD414800BC
GBD414800BC FLEX-HONE, 4.250" (108mm) bore, 13.5" OAL, 800 Grit, Boron Carbide (BC)
The Flex-Hone 414800BC is a precision tool for honing and polishing bores up to 4.250in in diameter. Its 800 grit boron carbide surface effectively removes imperfections and smooths out surfaces, improving engine performance and fuel efficiency. Ideal for automotive, aerospace, and industrial applications, this tool is also used for deburring, polishing, and finishing internal surfaces. Its durable construction and long-lasting abrasive surface make it a reliable choice for heavy-duty use, reducing the need for frequent replacements and saving time and money in the long run.
Top product features:
- 4.250in bore for large engine or machinery applications
- 800 Grit surface finish for precise polishing and deburring
- Boron Carbide construction for durability and long tool life
Top product applications:
- Engine Block Resurfacing
- Bore Finishing
- Cylinder Head Porting
Flex Hone,4-1/4",108mm,800G Boron
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 18 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 14.00
- Package Width: 5.00
- Package Height: 5.00
- Package Weight: 1.56
- California Prop 65 Warning: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Product info last updated on January 13, 2026 1:26am UTC
Category: Buffing and Polishing