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806 front end threads

M

mazemeister

Member
the threads in the lower 2 holes in the front bolster have been stripped, probably from years of use with front mounted IH cultivator (it bolts on to connect). Anyone have any good ideas, other than a whole new bolster, for repairing the threads to be strong enough to hold a bracket with 1000# of suitcase weights?

thanks
Nathan
 
Keen Serts simple to use and stronger then any Heilicol , Standard drill bit standard tap screw in with your fingers use the tool to set the locks and it is there nver to come out and if you strip it out you just use a standard drill drill out the locks and unscrew and screw in a new one
 
The Vet has spoken the truth. No Helicoil will come close or make a stronger thread. Helicoil has its place in my kit, but not on that application. JimN
 
Keen serts won't work for your application. My brother owns a company that manufactures state of the art thread repair inserts that are approved by all OEM's Cat, Cummins, detroit, Ford, John Deere, Mack, etc.
Check out thier web site

http://www.FullTorque.com
Industrial Casting and Gear
 
Really....by the time you get done drilling oversize and tapping for a helicoil, you could probably just go up to the next coarse thread size.

IMHO there are two options that stand out in my mind amongst "a thousand ways to skin a cat".

1. Examine the bolster casting to see if you could drill and tap existing threads deeper, approx 1 diameter's worth of new threads should be sufficient. Two diameters' worth of new threads would be excellent.

2. Drill and tap oversize as above. Best to study the thread charts to make sure the next pilot drill will "cleanup" the major diameter of the existing threads.

To do either job with quality and reliability I would want the bolster casting out of the tractor and setup on a milling machine or radial drill press.
 
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