Would this work? https://www.ebay.com/itm/60-Degree-Thread-Measuring-Gage-Dual-Head-Metric-Screw-Pitch-Gauge/362191785034?hash=item5454500c4a:g:7PoAAOSw0W5aOfXD
Hi, I was wondering if anyone knows the thread on the 301/303 lasers. I plan on 3d printing an attachment so I can power my laser with a power supply easier, but am unable to figure out the thread of the main tube. Thanks!
The link on the homepage, that says "LPF Laser Pointer Company Database (link opens new window)" goes to toplaserpointers.com which has been bought out and sold to advertisers