The fast easy way to make permanent repairs and patches; it works even on wet surfaces and up to 150 degC.
Chop a piece off the two part stick, kneed together, press onto the roughened surface. After 1/2 hour it can be filed, drilled, tapped or sawn. Cures to full strength in 24 hours.
This Aqua Stick Ceramic Epoxy Putty Repair Under Water Use (125g) is a must for every toolbox.