3Pcs Drill Bit Set Steel Titanium Coated Step Quick Change

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Description:

Size Includes - Bit #1 (): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (9 Steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"; Bit #3 (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". Replace 28 individual , save amount of money and troubles.
HSS Titanium Coating classic high speed steel with titanium coating for proven capability and durability in drilling holes in , aluminum, copper, stainless steel and many other types of sheet metal.
Meet Your Demands - With the step we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble. Great for steel sheets/ aluminum sheets/ copper/ / wood board and many other types of sheet metal with ease countersunk. Suitable for home diy, and general building/ engineering use.
Design - The titanium coated step drill bit set adopts groove design, allows particles easily, help the electric drill clamp it more firmly, prevent sliding or falling off during rotation.
Wide Application - Prefect for sheets of metal,wood, , aluminum, copper, etc.

Specification:

Material: HSS 4241
Shank Type: 1/4" hex shank, quick change

Size Chart:

Bit #1 - 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"
Bit #2 - 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
Bit #3 - 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"

Package Includes:

3 Pieces Step

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