Wish one is best for a cylinder wall that is 75mm (2.95 inch) ?

For the cylinder wall bore size of 2.95", the 3" Flex-Hone is the correct choice., Enter this ASIN # B002N3AA2A in the Amazon search bar for the correct hone.

Hello, my cylinder bore is 3 1/8" what size tool do i need to purchase thank you.

For a 3.125" bore, your application will require the 3-1/4" (3.250") diameter Flex-hone. The 3-1/4" will work perfectly in the 3-1/8" bore as the 3-1/4" Flex-hones working range is down to 3.000". Thank you for the inquiry.

Can i use this to hone out an old cast iron pipe? it's about 3 3/4" now and i want it at 4" id. thanks

This hone is not coarse enough to remove that much material. It would take forever and the hone would wear out first. You would need a lathe to remove that amount of thickness.

I see that it says tool is oversized. For a cylinder bore of 3.66, should I be getting the 3.75 or the 3.50 model?

1I bought a 4.50 and used it on a 3.55 bore with no problem I didn't hone as much as instruction said for large bore, hatch marks were beautiful so go bigger and you can use it over a broad area of bores.

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🔩 Hone your skills with precision and ease!

WIDE GRIT SELECTION - 120 grit silicon carbide for optimal performance on various materials.
USER FRIENDLY DESIGN - Compatible with hand drills, drill presses, and CNC equipment.
PRECISION ENGINEERING - Self-centering and self-aligning for effortless use.
VERSATILE APPLICATIONS - Perfect for hydraulic, pneumatic, and engine cylinders.
EXCEPTIONAL FINISH QUALITY - Achieves a stunning crosshatch finish with minimal effort.

The Brush Research GB31212 FLEX-HONE® is a high-quality honing tool designed for professionals, featuring a 3-1/2" diameter and 120 grit silicon carbide abrasive. Made in the USA, it offers exceptional finishing capabilities on mild steel, stainless steel, cast iron, and softer ferrous materials. Its innovative oversized design ensures self-centering and self-aligning functionality, making it ideal for a variety of applications, including hydraulic and pneumatic cylinders, with a finish quality of 35 - 50 Microinch.

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