8-piece HSS twist drill bit set, large heat-treated industrial drill bit

Features:

1. Made of heat-treated hardened steel, very durable in use. 2. They can provide a perfect cut every time, suitable for high-speed drills. 3. High-quality HSS drill bits have reliable performance and durability when drilling holes in plastic, aluminum/copper up to 1mm thick, and many other types of materials. 4. There are 8 different sizes, and it comes with a hardwood packing case, ensuring safe storage and easy handling. 5. Suitable for carpenters, builders, electricians, workshops, DIY projects, home crafts, hobbyists, designers, etc.

Specifications:

Description: This HSS drill bit set is specially designed for professionals and is also suitable for the toolkit of DIY enthusiasts. These drill bits are made of heat-treated hardened steel, so they are very durable in use. Features: 1. Made of heat-treated hardened steel, very durable in use.

2. They can provide the perfect cut every time, suitable for high-speed drills. 3. High-quality HSS drill bits offer reliable performance and durability when drilling holes in plastics, aluminum/copper up to 1 mm thick, and many other types of materials. 4. Available in 8 different sizes and comes in a hardwood packing case, ensuring safe storage and easy transport. 5. Suitable for carpenters, builders, electricians, workshops, DIY enthusiasts, home craftspeople, hobbyists, designers, etc. 6. Fits securely into power tool chucks and eliminates slippage. Specifications: Material: HSS Shank Diameter: 1/2 inch Shank Type: Triangle Surface Treatment: Polished and Nitrocharged Size: 14 mm, 16 mm, 18 mm, 19 mm, 21 mm, 22 mm, 24 mm, 25 mm Weight: Approx. 1788 g Length: approx. 150 mm/6 inches Package includes: 1 set x twist drill bit