Product Review

Features:

COMOWARE step drill bits can replace 50 individual drill bits. 118 degrees split point tip design provides faster and smoother cutting, increase the wear resistance. HSS along with titanium coating ensures the bits stay sharp for years, perfect to drill holes on steel/aluminum/plastic etc. A well-organized case provides users with easy storage and transport, truly a must-have for DIY lovers.

 

Package:

5 x Step Drill Bit Set

1 x Aluminum Case

 

Size Include:

#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")

Notice: 

Please keep cool and gentle using, the working life of the step drill bits can be largely prolonged by proper usage.