COMOWARE Step Drill Bit Set & Automatic Center Punch- Black and Gold, Double Cutting Blades, High Speed Steel, Short Length Drill Bits Set of 5 pcs, Total 50 Sizes with Aluminum Case

HSS – High Speed Steel Black and Gold, resists corrosion, ensures outstanding durability and sharpness, can reduces the friction, runs cooler.

Meet Your Demands – With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.

Design – The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.

Easy Organizing – A drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.

Set Includes – The drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market.

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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.

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