11Pieces Metal Coated Countersink Drill Bit Featuring 1/4Inch Hex Shank Adjustable Depth for Woodworking

Features: This 11 piece metal Coated Countersink Drill Bit Set boasts superior wear resistance with a 50% durability increase, featuring a 1/4 inch hexagonal shank for secure tool compatibility and adjustable depth experimental holes for precise woodworking applications.

Designed with advanced metal coating and a standard hexagonal shank, the set includes bits #4 to #12 for adjustable depth countersinking, ensuring smooth surfaces without post processing and largest drilling diameters up to 3.4mm in various materials.

Ideal for professional like woodworkers, electricians, and construction workers, as well as craft enthusiasts seeking efficient and accurate drilling performances in demanding tasks.

Perfect for scenarios such as furniture assembly, home renovation, and model crafting, these bits efficiently handle wood, aluminum, and plastic with their quick chip removal design to prevent blockages.

Engineered with helical grooves for enhanced chip ejection, this countersink drill bit set promotes faster drilling speeds and reduced heat buildup, making it a versatile option for extended projects across multiple industries.

Specifications: Materials: High Speed Steel 4241 Size: 12#: 6.92x0.635cm/2.72x0.25inches, 10#: 6.56x0.635cm/2.58x0.25inches, 8#: 6x0.635cm/2.36x0.25inches, 6#: 5.65x0.635cm2.22x0.25inches, 4#: 5.05x0.635cm/1.98x0.25inches

Package Includes: 11Pcs metal Coated Countersink Drill Bits

note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item.