Sell 5 Pcs Large Titanium HSS Step Cone Drill Hole Cutter Bit Set Tool + Case best price

New and high quality. This set replaces 50 individual drill bits. Two-flute design gives you faster, smoother cutting. 3-sided (TRI-FLAT) shank will not slip in your drill's chuck. Cobalt coated for smoother cooler cutting. Titanium coated to reduce friction and run cooler. Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck. Automatically deburrs holes as you drill. Long Life high speed steel. Includes protective padded aluminum case. Sizes: 1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') 2: 1/8" to 1/2" 13 Steps (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'') 3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") 4: 1/4" to 1-3/8"' 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") 5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8") Drill：1/4-1-3/8；Shank Diameter：9mm； Drill：3/16-7/8；Shank Diameter：9mm Drill：1/4-3/4；Shank Diameter：9mm Drill：1/8-1/2；Shank Diameter：6mm Drill：3/16-1/2；Shank Diameter：6mm Material: fast working steel Package included: 1 x 1/4-1-3/8 Step Drill 1 x 3/16-7/8 Step Drill 1 x 1/4-3/4 Step Drill 1 x 1/8-1/2 Step Drill 1 x 3/16-1/2 Step Drill 1 x Aluminum Box Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.