surface grinder wheel hub balancer

Description

OSB Tools surface grinder wheel hub balancer.
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3 1/4" stock OD (6061)
1/2" thick
20 - 1/4-20 tapped holes equally spaced at 18 degrees on a 2.750" dia BC
All edges broken or radiused as shown
2.25" dia central recess
.06-.07 thick rear
1.250 Dia center bore
balance weights included
Made in USA
see photos/instructions
Condition is "New"
Free shipping