Simpson 3/8" x 6" Straight Shank Drill Bit by Simpson is a premium, professional-grade carbide-tipped drill bit engineered to deliver precise, efficient drilling in demanding jobsite conditions. Manufactured in Germany to the highest industry standards for Simpson Strong-Tie, this straight shank bit is built to meet tight tolerance requirements while incorporating proprietary design features that enhance durability, improve drilling speed, and make every bore easier and more controlled. Whether you are working with concrete anchors, masonry applications, or structural installations, this carbide-tipped bit provides the performance reliability that professionals depend on.

Key Features

• Carbide-tipped cutting edge - provides exceptional hardness and wear resistance, extending bit life through tough materials and reducing the need for frequent replacement on the job.
• 3/8" straight shank diameter - fits standard 3/8" chucks and rotary drill tools without requiring adapters, making tool changes fast and hassle-free.
• 6" overall length with 4" drilling depth - gives you reach into deeper anchor holes and thicker substrates while maintaining stability and control throughout the bore.
• Manufactured in Germany to highest industry standards - precision fabrication ensures consistent tolerances from bit to bit, so every hole meets the requirements for Simpson Strong-Tie anchor installations.
• Proprietary features for enhanced durability and drilling speed - purpose-built engineering improvements mean faster penetration rates and a longer service life compared to generic bits, reducing downtime on-site.
• Professional-grade construction - designed for repeated, heavy-use applications where reliability matters, delivering consistent results across concrete, masonry, and similar substrates.

Why This Product

• Built specifically to Simpson Strong-Tie standards, this drill bit ensures hole tolerances match the precise requirements of Simpson anchor systems - reducing the risk of installation errors and improving structural confidence.
• The carbide tip and German-engineered construction mean the bit holds its edge longer under demanding drilling conditions, helping professionals work faster with fewer interruptions to swap out worn tooling.
• The straight shank design provides universal compatibility with standard 3/8" drill chucks, making this bit a practical fit for tools already on the job without requiring specialty adapters or equipment.
• At 6" overall length with a 4" drilling depth, this bit handles the deeper hole requirements common in anchor and fastener installations, eliminating the need to switch to a longer bit mid-task.

Specifications

• Brand: Simpson Strong-Tie
• Shank Type: Straight
• Shank Diameter: 3/8 in.
• Drilling Depth: 4 in.
• Overall Length: 6 in.
• Tip Material: Carbide
• Country of Origin: Germany

Available Pack Options

• MDB03706: 1 Ea
• MDB03706-R25: 25 Pk

Frequently Asked Questions

What type of shank does this drill bit have, and what tools will it fit?

This drill bit features a straight shank with a 3/8" diameter. It is compatible with any standard drill or rotary tool equipped with a 3/8" chuck, making it straightforward to use with common professional drilling equipment without the need for special adapters.

What is the drilling depth and overall length of this bit?

The bit has an overall length of 6 inches and provides a drilling depth of 4 inches. This combination gives you the reach needed for deeper anchor holes while maintaining the rigidity and control required for accurate, clean drilling.

What makes this a carbide-tipped drill bit and why does it matter?

Carbide is an exceptionally hard material that maintains a sharp cutting edge through repeated contact with tough substrates like concrete and masonry. A carbide-tipped bit lasts significantly longer than standard high-speed steel bits under heavy use, which means fewer replacements and more consistent hole quality over time.

Is this drill bit compatible with Simpson Strong-Tie anchor installations?

Yes. This bit is manufactured specifically to meet the precise tolerance requirements for Simpson Strong-Tie systems. Using a bit designed to Simpson's standards helps ensure drilled holes conform to the specifications required for proper anchor seating and structural performance.

Note: Product dimensions or length may differ from picture. Please see the item description above for specifications.