Product description
Feature
-Cobalt high speed steel along with the titanium coating ensures
extreme durability, will stay new and shiny for years to come.
-Different sized shanks ensure compatibility with 1/4 and 3/8 in. chuck sizes.
-Non-walking drill tip provides fast and smooth drills on steel
sheets, aluminum sheets, wood board, plastic board etc. (the board must
be smaller in thickness than the height of step drill bits).
-Please mark the spot that you are to drill for easier drilling and improved drill bits life.
-All the bits come in a well-organized case for easy transport and storage.
Package Included: 5x Step Drill Bit Set
1x Aluminum Case
Size: #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 (3/16",1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")"