Hex Shank Helical Drill Bit Set 3 Pack for Water Pipe Expansion Punching 15~31mm HSS Suitable with Most Drills

Features: This 3 pack hexagonal helical countersink drill bit set features a shank that triples lifespans and boosts cutting efficiency, solving slow drilling with its superior hardness and high speed steel construction for efficient performances.

Designed with a three flute helical structure and a 6.35mm hexagonal shank, these bits ensures stable gripping and precise water pipe expansion from 15~31mm, made from sturdy alloy for accurate punching in various materials.

Ideal for electricians, plumbers, and craft enthusiasts, this tool helper professionals in demanding tasks like plumbing repairs, offering enhanced grip and reduced slippage for efficient workflow.

Perfect for scenarios such as water pipe repairing, reaming, woodworking, and soft metal drilling in homes renovations, furniture assembly, or industrial projects, ensuring versatility across applications.

The built in tip minimizes wobble for accurate starts, while compatibility with most drills enhances safety and speed, making it a must have for any drilling set requiring accuracy and durability.

Specifications: Materials: Alloy Size: Handle Diameter 0.635cm/0.25inches; Length 5.5cm/2.17inches Color:Gold/Silver

Package Includes: 3Pcs helical Drill Bits

note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!