Specifications:

• 5/16" Hex Shank
• 1/4" Hex Shank with E6.3 groove    

     
          Drill        Screw

• 2.8mm      # 6-8 
• 3.0mm      # 8-10 
• 3.5mm      #10-12 

Features:

• Adjustable auto-stop collar controls depth of countersink pilot holes.
• Anti-clog debris holes are for scraps out easily while drilling.
• Auto-stop collar free-spins at the fixed depth.
• Special o-ring protects the workpiece surface.
• Sharp, three-flutes countersink.
• Parabolic HSS drill bit won't embed scraps in grooves of drills.Drill bit is replaceable.

Order Information:

• Minimum Order: Negotiable
• FOB: Taiwan