Countersinks with Slow Spiral Stepped Drills for Wood Screws
55120 Carbide Tipped 82 Degree Countersink with Slow Spiral Stepped Drill, #5 & #6 Screws 25/64 Dia x 9/64 Drill Dia x 5/16 Round Shank
Available in a wide variety of sizes, complete with slow spiral HSS M2 DIN 338 fully ground stepped drill bit.
#5 Screw for Hard Wood
#6 Screw for Soft Wood
Excellent for Drilling:
- Natural Woods
- Man-Made Boards
- Aluminum Composite Material (ACM)
- Composite Decking Materials
- High Density Polyethylene (HDPE)
Warning: When drilling aluminum/non-ferrous materials, for optimal results and extended tool life use lubricant or air cooling. Make sure the material is fixed and drill is stable during drilling.
Drilling countersinks with these bits on the CNC machine is a great way to save time and have your pieces look great every time!
With the adjustable depth drill bit you can adjust them for whatever size material you’re working with. They are best used with a drilling toolpath, utilizing the peck drill option at .25" per pass with a .125" retract height.