HD Block Cylinder Flex-Hone - 7 In - 180 Grit - Brush Research

The Brush Research GBD7 HD Block Cylinder Flex-Hone is a professional-grade honing tool engineered for superior surface finishing in block cylinders. With a 7-inch diameter and 180 grit abrasive, this heavy-duty Flex-Hone delivers a controlled, soft cutting action to create an optimal plateau finish and deglaze cylinder walls, crucial for proper piston ring seating and oil retention. Its unique design ensures consistent performance and reliability for demanding automotive and industrial applications.

Key Features

• Self-Centering and Self-Aligning: The flexible design allows the tool to be self-centering within the bore and self-aligning to the bore's axis, ensuring uniform pressure and consistent finish.
• Self-Compensating for Wear: Each abrasive globule has independent suspension, allowing the tool to compensate for wear and maintain consistent honing action throughout its lifespan.
• Optimal Plateau Finish: The 180 grit silicon carbide abrasive is ideal for generating a precise cross-hatch pattern and deglazing cylinder walls, promoting effective piston ring sealing.
• Heavy-Duty Construction: Built for the rigorous demands of professional workshops, this Flex-Hone features a robust construction for extended durability and reliable performance.
• Generous Length: A 17-1/2" overall length provides excellent reach and control for a wide range of block cylinder honing tasks.

Applications

This HD Block Cylinder Flex-Hone is indispensable for professional technicians and mechanics involved in engine rebuilding, repair, and maintenance. It is commonly used for:

• Deglazing and surface conditioning of cast iron and steel cylinder bores in automotive, marine, and industrial engines.
• Creating a specified cross-hatch pattern essential for piston ring seating and improved lubrication retention.
• Preparing cylinder walls after boring or sleeving operations to achieve a precise surface finish.
• Refurbishing hydraulic and pneumatic cylinders where surface integrity is critical.

Specifications

• Diameter: 7 inches
• Grit: 180
• Overall Length: 17-1/2 inches