Extra Long HSS Drill Bit Set for Deep Precision Drilling

Reach deeper holes with greater accuracy and less difficulty. This five-piece extra long drill bit set features 150 mm shafts for working through thick or hard-to-reach areas. Made from high-speed steel, the bits are suitable for wood, plastic, aluminum, and other compatible soft materials. Five useful diameters support detailed repairs, installations, crafts, and workshop projects.

Key Features

• 150 mm length reaches recessed and deep drilling points
• Five sizes handle a range of small-hole applications
• HSS drill bits offer dependable wear resistance
• Spiral flutes help clear chips while drilling

Why Choose Our Extra Long HSS Drill Bit Set

Unlike standard short bits, these extended tools can reach through thicker workpieces and narrow spaces. The mixed-size set provides greater flexibility without requiring separate purchases. Straight round shanks fit many compatible hand drills and drill presses.

Perfect For

Ideal for woodworking, furniture assembly, model building, electrical installations, crafts, repairs, and drilling compatible plastic or aluminum pieces.

How to Use

Secure the workpiece and select the correct bit size. Drill at a suitable speed with light, steady pressure, withdrawing the bit regularly to clear debris. Wear proper eye protection and avoid excessive sideways force.

Product Specs

Quantity: 5 pieces
Material: High-speed steel
Length: 150 mm
Sizes: 2 mm, 3 mm, 3.5 mm, 4 mm, and 5 mm
Shank type: Straight round shank

Reach Further on Every Project

Order this long drill bit set and tackle deep, detailed drilling jobs with greater convenience and control.