Ed, personally i wouldn't recommend the welded or brazed approach. I've used 3 air chisel shanks and welded on various ends using different methods each time. All worked for several hours, but ultimately failed at the weld through fatigue. In the end I purchased a billet shank from Sky Lowrider on here. He makes beautiful shanks from 4140 heat treated steel and also inserts for Flow forming. All were not expensive and were beautifully crafted. Highly recommended 👍
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