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> Step cone drill bit 3/16"-1/2", 1/4"-3/4" & 1/8"-1/2"
Step cone drill bit 3/16"-1/2", 1/4"-3/4" & 1/8"-1/2"
Step Cone Drill Bit Hole Cutter 3/16"-1/2", 1/4"-3/4" & 1/8"-1/2" .
step1.jpg picture by gingernuts-2008
step.jpg picture by gingernuts-2008
Made by Am-Tech Quality Tools.
Sealed in Manufacturers Packaging and with a storage pouch.
This Set Comprises 3 Graduated Tapered Drills ideal For Woodworking And Plumbing Applications.
1/4" Quick Change Hex Shank Can Be Used In Any Drill Or Drill Press.
Use To Obtain The Proper Depth Needed For Any Application In Plumbing Or Woodworking.
Drop Forged High Speed Steel (HSS) With Titanium Coating Providing Added Durability.
Two Flute Design Provides Faster, Smoother And Cleaner Cuts Each Step Is Clearly Labelled With The Depth Diameter In Steps.
Step drill cutting specification
1 x 3/16" To 1/2" Six Step Bit:-
3/16'', 1/4'', 5/16'', 3/8'',7/16'', 1/2''
1 x 1/4" To 3/4" Nine Step Bit:-
1/4'', 5/16'', 3/8'', 7/16'' ,1/2'', 9/16'', 5/8'', 11/16'', 3/4''
1 x 1/8" To 1/2" Thirteen Step Bit:-
1/8'', 5/32'', 3/16'', 7/32'', 1/4'', 9/32'', 5/16'', 11/32'', 3/8'', 13/32'' , 7/16'', 15/32'' & 1/2''
Made of High Grade High Speed Steel.
Heat Treated and Highly Polished.
Drills Perfectly Round Holes in Steel, Brass, Plastic, Wood etc.
Titanium Coated to Reduce Friction and Heat.
Aircraft technician quality tool.
