#4 HSS Quick Change Hex Shank Step Drill Bit (3/16" - 7/8" by 1/16") sds max adapter As you know

As you know

0 Diopter At The Top With 7

OLFA Compass Cutter Heavy Duty Circle Cutter CMP-2 Model 9902 is designed to cut circles from approximately 3" to 12" diameter

keyed cylinders

1/2" Drive 12 Point Standard Impact Socket - 1/2"

#4 HSS Quick Change Hex Shank Step Drill Bit (3/16" - 7/8" by 1/16") sds max adapter As you knowStep drills have single radial concave flutes to create a perfectly round hole in metal, plastic wood and other thin materials without center punching. Constructed of industrial grade high speed molybdenum steel, heat treated and temperature for long life. Self starting tip. No center punching needed. Automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials. They have a bright finish with a 1 4" quick change