Drill, Insert Bits

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Chas H. Day CO., located in Milwaukie, Oregon, supplies a comprehensive selection of drill and insert bits built to meet the demands of residential and commercial projects. Our inventory includes premium bits designed to deliver precision, durability, and long-lasting performance across materials like wood, metal, and masonry. Whether you’re a professional contractor or a skilled DIYer, call 503-232-1659 to consult with our experts and find the best bits for your specific application.

Why Choosing the Right Drill Bit Matters for Your Project

The importance of selecting the correct drill bit cannot be overstated. A bit that fails to meet your project’s demands can lead to poor-quality holes, material damage, increased tool wear, and potential safety hazards. Using low-quality or improper bits results in uneven drilling and broken bits and can even harm the drill itself.

For professionals who rely on consistency and efficiency, drill bits that hold sharpness and resist overheating increase productivity and reduce costly downtime. Improper bits slow progress, causing frustration and adding labor costs. When the stakes are high, such as in structural or mechanical assembly, even minor errors can cause significant delays or costly rework.

The Hidden Costs of Substandard Drill Bits

Choosing inexpensive or incorrect bits often results in a cascade of issues that impact your operation beyond the bit itself. Frequent bit replacements, damage to expensive materials, and slow drilling times can all add up to wasted time and money.

Additionally, poor drill bits cause unnecessary strain on your drill motors. As the bit struggles, it overheats the tool and shortens its lifespan. Over time, this leads to increased maintenance, repairs, or early replacement of your equipment. These hidden costs can drastically affect profitability, especially on large-scale or repeated projects.

High-Quality Drill and Insert Bits from Trusted Brands

Chas H. Day CO. offers drill and insert bits engineered for precision and durability. We source bits from top manufacturers, ensuring you receive products tested for real-world performance. Our extensive selection includes:

Twist drill bits in various diameters for general-purpose drilling

Spade bits and auger bits optimized for clean cuts in wood

Masonry bits with carbide tips designed to penetrate concrete, brick, and stone

Cobalt- and titanium-coated annular cutter bits for tougher metals and longer bit life

Carbide insert bits industrial applications

Impact rated sockets and insert bits

Each category serves a specific purpose, and choosing the right type improves efficiency and finish quality and reduces tool damage.

Match Your Drill Bit to Your Material for Best Results

Understanding the properties of your materials is essential to selecting the right drill or insert bit. Our team at Chas H. Day CO. guides customers to choose bits tailored to their substrates and applications.

  • Wood: Use spade bits, auger bits, or brad point bits for clean, precise holes without splintering.
  • Metal: Opt for cobalt- or titanium-coated bits that resist heat and maintain sharp edges, suitable for stainless steel, aluminum, and alloys.
  • Concrete and Masonry: Carbide-tipped bits deliver strong penetration and durability for hard surfaces like brick, stone, and concrete block.
  • Plastic and Composites: Specialized bits reduce cracking and melting by controlling heat and providing smooth cuts.


For industrial needs, insert bits provide cost-effective solutions. These bits maintain cutting efficiency by allowing quick tip changes, minimizing downtime, and improving tool life.

Expert Support for Drill Bits

Beyond just supplying bits, Chas H. Day CO. offers expert advice to optimize your drilling process. Our technicians help identify worn or damaged bits, recommend sharpening or replacement schedules, and provide tailored bit solutions for unique or difficult materials.

We offer:

Tips on maintenance to extend bit life and improve hole quality

Matching bits with your drill type, ensuring optimal compatibility

Our commitment to service means you get more than just a product—you get a partnership focused on improving your efficiency and quality.

Enhancing Productivity and Safety with the Right Drill Bits

Proper drill bit selection also supports jobsite safety. Worn or incorrect bits can cause sudden breaks or binding, potentially causing injury. Sharp, high-quality bits reduce user fatigue by requiring less force and delivering smoother operation. This leads to fewer accidents and better overall worker well-being.

Furthermore, clean and precise holes ensure better-fitting assemblies, reducing rework and improving final product reliability. In regulated industries, meeting quality standards depends on the right tooling, which Chas H. Day CO. consistently provides.

Ensure your projects proceed smoothly with reliable drill and insert bits from Chas H. Day Co. Call us today at 503-232-1659 to get personalized recommendations and premium tools in Milwaukie, Oregon.