Drillpro DB-S4 HSS Titanium Pagoda Drill/Ladder Drill 1/4&3/8&1/2 Inch Round Shank Step Dril

Description: Drillpro DB-S4 HSS Titanium Pagoda Drill/Ladder Drill 1/4 & 3/8 &1/2 Inch Round Shank Step Drill Bit Specifications: Brand: Drillpro Model: DB-S4 Material: HSS 4241 Surface treatment: titanium Tools: Pagoda drill, bench drill. Material:HSS 4241 Shank :1/4" & 3/8" Round Shank Quantity: 1pcs Size: 3/16-1/2''---3/16,1/4,5/16,3/8,7/16,1/2 (inch) -- 6.35mm (1/4") Shank 1/8-1/2''---1/8,5/32,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32,1/2 (inch) -- 6.35mm (1/4" )Shank 1/4-3/4''---1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4 (inch) -- 9.53mm (3/8") Shank 3/16-7/8''---3/16,1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4,13/16,7/8 (inch) -- 9.53mm (3/8") Shank 1/4-1-3/8''---1/4,3/8,1/2,5/8,3/4,7/8,1,1-1/8,1-1/4,1-3/8 (inch) -- 12.7mm (1/2") Shank Features: 1.Unique ladder structure, round shank. Straight grooves 2.Automatically Deburrs Holes as you Drill. Two-flute Design Gives You Faster, Smoother Cutting. 3.Titanium Nitride Coating for Cooler Running, can effectively extend the service life of the drill bit. 4.Suitable for carbon steel plate, sheet iron, steel plate, insulation boards, wood. Cannot be used for stainless steel.Suitable for the workpiece 25 or less . Package Included: 1x Step Drill Bit More Details: