A compact 320-grit ball-hone kit for the smaller jobs that always turn up in the workshop.
 
The UNRVLD Small Bore Ball Hone Kit includes 8, 10, 12 and 14 mm silicon-carbide hones. Ideal for small cylinders and precision repair work where a light deglaze or surface refresh is required.
 
Each hone features a flexible ball-hone construction that conforms to the bore and is 300 mm overall length for simple drill operation.
 
Features
 
Includes 8 mm, 10 mm, 12 mm and 14 mm 320-grit hones
300 mm overall length
8 mm hone suits 6–8 mm bores (0.25–0.312 in)
10 mm hone suits 8–10 mm bores (0.312–0.375 in)
12 mm hone suits 10–12 mm bores (0.375–0.437 in)
14 mm hone suits 12–14 mm bores (0.437–0.50 in)
 
 
Ball hones are intended for light deglazing and surface refreshing only. They are not a substitute for precision boring and honing equipment. Always measure the bore, follow the piston-ring manufacturer’s finish requirements, use suitable honing lubricant, and thoroughly clean the bore before assembly.