Enlarge holes in metal plates with ease and precision! Our Multi - Step reamer step drill kit comes in three different sizes. It's the only tool you need to enlarge holes in metal plates up to ½” thick, ranging from 5/16” diameter all the way to 1 - 1/16”. Here are the technical details: the order number is 01 - W 955, and the standard package quantity is 1.

Using this step drill reamer set is quite simple. First, select the appropriate size from the three available ones according to the hole you want to enlarge. Then, start the drilling process on the metal plate that is up to ½” thick. You can gradually increase the hole size from 5/16” to 1 - 1/16”. When using it, make sure to wear safety goggles to protect your eyes from metal chips. After each use, clean the drill bits with a dry cloth to remove any metal debris. Store the set in a dry place to prevent rusting. Avoid using excessive force while drilling as it may damage the drill bits.