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Working on my South Bend 9C

Two little projects today.

1. Cutting down a box wrench so I have a dedicated QCTP adjuster.

2. Setting up the spare gear bracket so I have a "quick" change between my threading gear range and my turning/cutting gear range.

(I want another of those square head bolts that secures the gear bracket so I can use the same tool on both.)
 

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Golem Pens said:
I guess I could hand grind the head (no mill or anything)
Click to expand...

Or you could chuck an endmill in the lathe, put the bolt in the toolpost and use the lathe to "mill" four flats in the bolt head. Be even better if you had a boring bar holder the same diameter as the bolt threads. But you can also sleeve the boring bar holder to get the same result.
 
Susquatch said:
Or you could chuck an endmill in the lathe, put the bolt in the toolpost and use the lathe to "mill" four flats in the bolt head. Be even better if you had a boring bar holder the same diameter as the bolt threads. But you can also sleeve the boring bar holder to get the same result.
Click to expand...
This, I have done, and it works well, I used a little level to make the 90° changes...... getting that first flat in the right place is the challenge. 🙄 😉 😛
 
Golem Pens said:
Clever! I don't have an endmill though. I suspect the necessary tooling to do that right would end up costing more than a new bolt 😉
Click to expand...

Of course it will! That's how it is supposed to work! Sooner or later you end up with enough endmills, to justify getting a mill and then a bigger mill. It's all part of the master plan to accumulate enough tools and machines to justify that big shop we all dream about! Gotta get it done before it's time to say goodbye!
 
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