GB 3 1/4" 83MM 120SC FLEX HONE - Brush Research

The Brush Research GB 3 1/4" (83MM) 120SC Flex-Hone, model GB31412, is engineered for professional bore finishing in critical automotive and industrial applications. Part of the robust GBD Series, this heavy-duty honing tool provides a consistent and controlled surface finish, essential for optimal performance and longevity of engine components and industrial piping. Its specialized construction ensures effective material removal and superior surface conditioning.

Key Features

• Twisted-in-Wire Construction: Provides enhanced durability and effective abrasive action for consistent bore finishing.
• Precision Sizing: Designed for bore diameters of 3 1/4" (83MM), part of the GBD series which covers 3" through 8" applications.
• Optimized Length: Features a 13 1/2" (OAL) overall length, suitable for accessing and effectively honing bores within the 3" to 4 1/2" diameter range.
• 120 Grit Silicon Carbide Abrasive: Utilizes 120SC grit for efficient material removal and achieving a refined surface finish.
• Heavy-Duty Design: Recommended for large diameter bores or high-production applications, ensuring longevity and consistent performance under demanding conditions.

Applications

The GB 3 1/4" 120SC Flex-Hone is a versatile tool for professional technicians across various sectors:

• Engine Block Cylinders and Liners: Ideal for deglazing and preparing cylinder walls for new piston rings in automotive, heavy-duty, and industrial engines.
• Stationary Diesel Engines: Used for maintaining and reconditioning bore surfaces in industrial power generation and equipment.
• Oil and Gas Pipes: Critical for deburring, cleaning, and achieving specific surface finishes within pipeline applications to optimize flow and sealing.
• Marine Engines: Suitable for cylinder maintenance and surface finishing in demanding marine environments.
• General Industrial Bore Finishing: Applicable wherever a precise and consistent bore finish is required to improve sealing, reduce wear, or prepare surfaces for coating.

Specifications

• Manufacturer: Brush Research
• Model Number: GB31412
• Product Name: GB 3 1/4" 83MM 120SC FLEX HONE
• Nominal Diameter: 3 1/4 inches (83MM)
• Abrasive Type & Grit: Silicon Carbide (SC) 120 Grit
• Overall Length (OAL): 13 1/2 inches (for 3" - 4 1/2" diameter tools)