Drilling holes in automatic distribution boxes
Twist drills grab in thin material and drill three-lobed holes and can distort the material where you want it to be flat at the seal. The main function of the explosion-proof distribution box is to ensure the normal operation of electrical equipment in flammable and explosive environments and to prevent explosion accidents caused by electrical sparks. What tools do I use to drill clean holes in both the plastic and aluminum enclosures so that the cable glands fit snugly without any gaps? I tried searching for M20 drill bits and thread taping, but couldnt really find anything solid. A manufacturing company looking for a automated solution to drill holes in large assembly panels. Always check to see if the shop has a hazardous location UL NNY certificate and is familiar with the specific UL code for drilling.
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