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Those who regularly use #8 screws longer than 2", or #9 or #10 screws longer than 2 1/2", should buy extra-long drill bits so that they don't have to remove the countersink/counterbore unit from the drill for extra-depth drilling.

These HSS drill bits, all about 6" long, will handle just about any long screw you will be using. They can be used with our drill bit/countersink/counterbore assemblies.

Made in USA.

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