User avatar
By signeddiamond
#4923134
For my wand tip I'm tossing in a ag1 bulb and want to hold it inwith a grub screw. I attempted this once the hole drilled and tapped fine. I installed the bulb and called it a night. Next morning I wake up to find hairline cracks spidering around the tube. Anyone got advice for a take 2. I have enough tube here for around 4 more attempts.
User avatar
By bishopdonmiguel
Supporting Member
#4923137
Sounds like the screw is over torqued to hold the bulb. How did you install bulb? A plastic or metal ring that has a small dimple for the screw to set in without over tightening might help.
User avatar
By bishopdonmiguel
Supporting Member
#4923141
Can you create a small dimple in that housing so you don’t need to overnighten?

Here’s how I approached this. I’m not using the tube itself to hold the set so I realize it’s not the same setup but mine hasn’t cracked.

Bishop’s AG-1 Bulb
User avatar
By signeddiamond
#4923142
I like the idea of not tapping the tube. I drilled a hole farther down the tube and stat no issues there. It only seems to be the tapped area. Perhaps I can drill and thread the aluminum tube and run it into that.
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