► Harlingen | Drill Sets

Precision Drilling Tools for Professional Trades

Every accurate hole starts with a sharp edge. Harlingen Drill Sets are engineered for tradespeople who value precision, durability & cutting efficiency. Designed for use with both handheld drills & machine setups, these sets deliver consistent performance across steel, wood, plastic & composite materials.

Each drill bit is crafted from high-speed steel or cobalt alloy, offering superior heat resistance, edge retention & stability under continuous load. Built for industrial performance, Harlingen ensures clean cuts, reduced wander & longer lifespan — whether for assembly, repair or production work.

Optimize your drilling system with Drill Chuck Arbors, enhance finishing accuracy through Countersink Sets & maintain proper lubrication with Lubrication & Cleaning Gear. Keep your bits protected in Tool Storage & Workbenches, refine measurements using Measuring & Layout Tools & rely on Same Day Dispatch & Warranty & Parts Support for dependable trade service.

What’s in This Collection:

► 170 Piece Cobalt/HSS Twist Drill Set
‣ Comprehensive trade set offering a wide range of sizes for precision drilling in ferrous & non-ferrous materials.

► Spiral Flute HSS-Cobalt Step Drill Set of 3
‣ Step drill trio providing smooth cutting transitions for sheet metal & thin material applications.

► HSS Plug Tap & Twist Drill Set
‣ Combined drilling & threading set for creating or repairing threaded holes with exact alignment.

► 1–13.0mm HSS Stepped Head Drill Set
‣ Versatile set featuring stepped head design for reduced friction & enhanced chip evacuation.

► 1–13.0mm Cobalt/HSS Split Point Drill Set 25pc
‣ Premium cobalt drill set with split-point tips that prevent wandering & deliver fast, clean drilling starts.

► 1–13.0mm HSS Drill Set 25pc
‣ Standard high-speed steel drill set ideal for daily trade use, providing long-lasting sharpness & balance.