Multifunctional Drill Bits with Triangular Handle – Hard Alloy Hole Expansion Set

Upgrade your drilling performance with these premium multifunctional drill bits, engineered for strength, accuracy, and long-term durability. Manufactured from high-quality hard alloy material, this set is designed to handle demanding drilling and hole expansion tasks with ease.

The triangular handle tool holder provides a secure anti-slip grip inside the drill chuck, preventing slipping during operation and improving torque transfer. This ensures greater stability, reduced vibration, and more precise drilling results.

Featuring a 135° blade top corner design, these drill bits allow faster penetration and improved centering, making them ideal for clean and efficient hole expansion. The outer cooling design helps reduce heat buildup during use, extending the lifespan of the drill bits and maintaining consistent performance.

📦 Complete Set Includes:

• 2 pieces – 6mm

• 1 piece – 8mm

• 1 piece – 10mm

• 1 piece – 12mm

Perfect for professionals, workshop use, and DIY home improvement projects.

📏 Product Specifications

Material: Hard Alloy
Tool Holder Type: Triangle Handle
Cooling Type: Outer Cold
Blade Top Angle: 135°
Category: Hole Expansion Drill

Size Details:

• 6mm – Total Length: 100mm | Working Length: 60mm | Handle Diameter: 5mm

• 8mm – Total Length: 110mm | Working Length: 70mm | Handle Diameter: 7mm

• 10mm – Total Length: 120mm | Working Length: 75mm | Handle Diameter: 8mm

• 12mm – Total Length: 125mm | Working Length: 77mm | Handle Diameter: 9mm

Designed for drilling and enlarging holes in various materials, these multifunctional drill bits are suitable for wood, plastic, soft metals, and general construction applications. Whether you're assembling furniture, installing fixtures, working on garden structures, or handling workshop tasks, this set delivers reliable, clean, and accurate results.

Built for durability. Designed for precision. Made for performance.