Amana 55124 Carbide Tipped Countersink w/ Slow Spiral Stepped Drill 7/16 D x 11/64 Drill D x 5/16 Round Shank
Amana 55124 Carbide Tipped 82 Degree Countersink with Slow Spiral Stepped Drill, #8 & #9-10 Screws 7/16 Dia x 11/64 Drill Dia x 5/16 Round ShankAvailable in a wide variety of sizes, complete with slow spiral HSS M2 DIN 338 fully ground stepped drill bit.
#8 Screw for Hard Wood
#9-10 Screw for Soft Wood
Excellent for Drilling:
- Natural Woods
- Man-Made Boards
- MDF
- Chipboard
- Plywood
- Aluminum/Non-Ferrous
- Aluminum Composite Material (ACM)
- Composites
- Composite Decking Materials
Warning: When drilling aluminum-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.