The Snappy Tools 44006 9/64" Tapered Drill Countersink is a tapered drill countersink built for drilling pilot holes and cutting a matching countersink or counterbore for wood screws. This is a tapered drill countersink designed for prepping wood for #6 tapered wood screws. Model Number 44006. If you do cabinet work, trim, furniture assembly, or any wood fastening where screw fit and finish matter, this tool gives you a cleaner, more controlled result than drilling and countersinking as separate steps.

The core setup is straightforward and useful: a 9/64 inch high speed steel tapered twist drill paired with a 3/8 inch x 82 degree counterbore. In practical terms, that means the pilot hole better matches the shape of a tapered wood screw, which helps reduce splitting and gives the screw a more natural seat in the material. The 82 degree countersink also helps the screw head sit properly instead of fighting the surface or tearing out the edges around the hole.

The 1/4 inch hex power bit shank is another part of why this tool makes sense on the job. It works with quick-change drills and impact-ready hex holders, so swapping between this countersink and a driver bit is fast. For anyone doing repeated fastening in hardwood, softwood, or trim stock, that time adds up. You get less fumbling with chuck jaws and more consistent prep from hole to hole.

Snappy also calls out the newer design with a reusable hex shank for use with round shank tapered twist drills. That matters because it gives the tool a more serviceable setup instead of treating the whole assembly like a throwaway piece. When the drill wears, the listed replacement twist drill is part 49406, which makes ongoing use more practical for people who actually burn through accessories.

This countersink is not limited to one style of fastener prep. It can drill a pilot hole and countersink or counterbore for tapered screws, or it can be used to drill a clearance hole for straight screws. That gives it some flexibility in the shop or on site, especially when you move between traditional wood screws and other fastening setups in wood components.

For compatibility, the tool is designed around a standard 1/4 inch hex shank interface, uses replacement drill 49406, and can be paired with the Snappy 44036 9/16 inch Premium Rotating Depth Stop for Tapered Drill Countersinks. It is specifically not compatible with part 43032 Premium Rotating Stop Collar (1/2 inch inner diameter). That is worth knowing before you order accessories, because countersink and stop collar fit is one of those small details that can waste time if you get it wrong.

Who should buy it? If you regularly install brass or steel wood screws in visible wood surfaces, this is the kind of accessory that earns its keep fast. It makes the most sense for woodworkers, finish carpenters, cabinet installers, and serious DIY users who want properly fitted pilot holes instead of oversized straight-drilled holes. If your work depends on clean screw seating and repeatable results in wood, the Snappy Tools 44006 9/64" Tapered Drill Countersink is the right kind of simple tool that fixes a real problem.

Small Accessory, Big Difference

The Snappy Tools 44006 9/64" Tapered Drill Countersink is one of those simple accessories that makes wood screw work look a lot more intentional.

• Who it's for: Woodworkers, trim carpenters, cabinet installers, and anybody driving #6 tapered wood screws into visible wood.
• Why it stands out: It combines a 9/64 inch tapered pilot drill with a 3/8 inch 82 degree countersink and uses a quick-change 1/4 inch hex shank, so the setup makes sense both in the shop and on site.
• Worth knowing: This is a purpose-built fastening accessory, not a general drill bit. If you want properly matched pilot holes for tapered screws, that is exactly why you buy it.

• What screw size is this countersink designed for? It is recommended for #6 tapered wood screws.
• What shank does it use? It uses a 1/4 inch hex power bit shank for quick-change compatibility.
• Can it be used for straight screws too? Yes. It can also be used to drill a clearance hole for straight screws.
• Is there a replacement drill available? Yes. The listed replacement twist drill is part number 49406.