3-1/2" (89mm) Nikasil Cylinder Engine Flex-Hone Ball Hone 180 Grit GB312180AO

Description

3 1/2"
(3.500") (89mm)
Nikasil Cylinder Engine Aluminum Oxide Flex-Hone
for all engine applications utilizing a 3.350" to 3.550"" or  85mm to 90mm
with Nikasil Plated/Coated or Chrome Cylinder Walls.
180 GRIT
- Brand new sealed in package Aluminum Oxide engine cylinder flex-hone.
- Designed to work with Nikasil cylinder bores from 3.350" to 3.055".
- Hone will also work with steel or iron cylinders
- Perfect for for all Nikasil coated or chrome plated engine cylinder blocks materials.
- Made in USA by the best cylinder hone manufacturer, FLEX-HONE.
- 180 grit, Good for re-ringing jobs or final bore.
- Tool is labeled as a 3.500" diameter but is actually slightly larger to apply the required wall for for honing a 3 1/2" bore
- Tool is self centering and is easy to use (email for questions)
- Tool can be used with a 3/8" or 1/2" chuck portable drill or drill press
This patented Flex-Hone is the best way to create a Cross Hatch surface finish with suspended globule working abrasives.  Contact us for more information as we use this hone on all of our race motors.  Most of the engine hone articles reference this exact brand and type of tool.
THIS TOOL HAS THE 13 1/2" LONG SHAFT for engine rebuilding.
For the Nikasil Cylinder Honing:  Run the hone at 800 RPM for most refresh jobs, no more than 8 stroke rotations.
Perfect for aluminum cylinders,85mm to 90mm Made USA
ITEM IS BRAND NEW NEVER REMOVED FROM FACTORY PACKING