Weiler 34127 Flexible Cylinder Hone 120 Grit 7.00 Mm

Product Description

The WEILER 34127 is a flexible cylinder hone designed for deglaze and surface finishing work inside small-bore cylinders. Built with 120-grit silicon carbide abrasive, it delivers a coarse-grade cut suited to steel workpieces where controlled material removal and surface conditioning are required. The abrasive length measures 1.969 inches, and the tool runs up to 900 RPM on a 0.130-inch shank. The overall length of 7.875 inches provides enough reach for standard bore access. Machinists, engine rebuilders, and maintenance technicians use this tool with a handheld drill or drill press to restore cylinder wall geometry and finish.

This hone is suited for small-bore applications in automotive, hydraulic, and general machining environments. The flexible ball-style construction allows the abrasive stones to conform to the bore wall, maintaining consistent contact through the stroke. It is rated for steel material applications and fits bores with a minimum diameter of 0.276 inches and a maximum diameter of 7.00 mm, making it appropriate for precision small-bore work where rigid hones cannot conform adequately.

Key Features

• 120-grit silicon carbide abrasive for coarse-grade surface finishing on steel
• Flexible design conforms to bore walls for consistent abrasive contact
• Maximum bore diameter of 7.00 mm with a minimum of 0.276 inches
• Rated up to 900 RPM for controlled, safe operation
• 1.969-inch abrasive length on a 0.130-inch diameter shank
• Overall length of 7.875 inches for standard bore reach

Compatibility

Designed for use in steel cylinder bores with a maximum diameter of 7.00 mm. Compatible with standard handheld drills and drill presses accepting a 0.130-inch shank. Intended for coarse-grade deglaze and surface conditioning applications in small-bore machining.

Installation Notes

This tool is typically used by machinists or engine rebuilders operating a variable-speed drill or drill press. Secure the shank firmly in the chuck and verify the bore diameter falls within the rated range before operation. Do not exceed 900 RPM. Use an appropriate cutting fluid or honing oil to flush debris and reduce heat during the honing stroke.