Dye penetrant won't tell much if the cap is sound. Bend test, ultrasonic or X-ray is the only way to test the complete weld. Would really need to see...
The 4.5's are rated higher.... I was looking at the 7" and 9" discs I had on the Blue Point and the DeWalt. Nothing special, one Jet, bunch of brand...
In high school shop class our instructor was an old codger who had zero tolerance for shenanigans or failing to adhere to clearly defined safety gear...
I was never really a fan, but you need one of those old Versatile bi-directionals. IHC had those 4wd anteaters too... you could pick one of those up...
Congratulations, you now know NOTHING other than the effects of UV radiation. keep wearing those shoes. Soon, a big ol' berry will make you discover...
In cold areas that is not a plus. Put a zirconium disc on that thing with a little beeswax and you will almost never want to use a carborundum disc....
Road side finds are always the best... because the price is right. I've found flashlights, channelocks, pipe wrenches, hammers, phones on the side of...