(207) 442-7938   873 U.S. Route One, Woolwich, ME 04579   M-F 9am-4:30pm SA 9am-3pm

Counter Sink Drill Bit Set for TF

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  • Regular price $14.95
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We have hunted high and low for the best drill bit and counterbore combination for timber frame assembly. These are ideal for countersinking GRK Fasteners in floor joists and roof rafters for a clean assembly.
The drill bit is made by ITW and is cost effective and can be replaced. The counterbore is made in the US by W.L. Fuller Company and the high speed steel is durable and can be sharpened. It will last you many frames.
Drill Bit: 1/4-in x 12-inches long with a 9-in flute. High Speed Steel and an all-purpose point.

Counterbore: Type 'X' 3/4-in cutting diameter, 1-in overall length -- 'designed to cut faster and deeper in hardwoods. It is adaptable to high or low speed spindles and hardened for long service. The four-blade rugged construction cuts a smooth hole and stays sharp longer.



Our Promise To You.

If it is for sale in our store -- it is because we use it and love it!

We are happy to share our experiences with these tools which may enhance your own. Given care, maintenance, and love, each of these fine tools is capable of lasting a lifetime. We do limit warranties to those offered by our supplying manufacturers. If ever you have a question or concern regarding any of the tools we sell, please let us know.

Online. On Campus. On The Job Site.

These tools, toys and supplies are in constant use by our students, timber framing crews, and family. At Shelter Tools, we have a working knowledge of every product we sell. Graduates will find particular items recommended in class and on site.


If you don't see the tools or items you need, we can find it for you. Write us or call us anytime.