#12 Countersink 7/32" Replacement Drill Bit

Features

  • Performs drill, countersink and counterbore in one step
  • Four-cutter countersink for consistent finish
  • Tapered drill bit design for improved cutting speed and finish
  • Quick-change compatible
  • Sold as a single replacement bit (not a set)

Specifications

Sku 194206
Brand DeWalt
Warranty 30 Day Money Back Guarantee
Is It A Set No
Weight (Lb) 0.06
Applications Fine wood drilling
Manufacturer DEWALT ACCESSORIES
Model Number DW2540
Has Quick Change Yes
Number Of Pieces 1
Country Of Origin CN
Package Width (In) 0.25
Package Height (In) 6.75
Package Length (In) 1.87
Product Diameter (In) 7/32
Product Diameter (Mm) 5.556
California Proposition 65 Contains dust from drilling that may include chemicals known to the State of California to cause cancer or reproductive harm; see www.P65Warnings.ca.gov for details

Replacement countersink and tapered drill bit designed to perform drilling, countersinking, and counterboring in a single step. It uses a four-cutter countersink and a tapered drill to improve cutting speed and produce a smoother finish. Intended for fine wood drilling. Sold individually; replacement tapered bits are available.

Model Number: DW2540

Project Ideas

Business

Flush-Finish Deck and Stair Upgrade

Offer a premium add-on for new or existing decks/handrails: face-screw for strength, then counterbore and plug for a smooth, barefoot-safe surface. The single-step bit speeds pilot+countersink on site, reducing labor and increasing margins.


Furniture Tightening & Discreet Repair Service

Mobile service that stabilizes wobbly chairs, tables, and rails by adding well-placed #12 screws with clean countersinks/counterbores, then color-matched plugs. Market to property managers and high-end Airbnb hosts for quick, invisible repairs.


Matched Plug & Hardware Kits

Sell species-matched kits: #12 screws, pre-cut 3/8" (or matching) wood plugs, and a depth-stop card. Include instructions for using a countersink/counterbore bit to achieve a pro finish. Offer custom wood species upgrades (walnut, maple, oak).


Cabinet and Built-in Install Efficiency

For installers, package a service where face frames, cleats, and fillers are secured with perfectly flush screws in one pass. The quick-change compatibility speeds bit swaps, helping you bid fixed-price installs with tighter timelines.


Content + Workshops: Flush Joinery Mastery

Create tutorials, short-form videos, and in-person classes focused on countersinking, counterboring, and plug-making. Monetize via course fees, sponsorships, and affiliate links to the bit and matching plug cutters.

Creative

Plug-Mosaic Wall Art

Lay out a grid on a hardwood panel and use the countersink/counterbore to create a field of identical recesses. Fill selected holes with contrasting wood plugs to create pixel-art patterns, gradients, or typography. The tapered pilot keeps each counterbore perfectly centered and consistent so the dots align crisply.


Hidden-Fastener Floating Shelves

Assemble solid-wood floating shelves with internal cleats using #12 screws driven into studs. Use the bit to drill, countersink, and counterbore in one step; plug the holes with matching species for an invisible, furniture-grade finish on the shelf’s underside and ends.


Heirloom Keepsake Box with Flush Screws

Build a small box (jewelry/keepsake) and mechanically reinforce mitered corners or hinges with #12 brass screws. The four-cutter countersink yields a clean seat for the screw heads; optionally counterbore and cap with wood plugs for a seamless look before final sanding and finish.


Danish-Cord Stool Frame

Make a minimalist stool frame from hardwood, using the tapered pilot to reduce splitting at the ends of rails. Countersink and counterbore all structural screws, then plug and sand flush so the woven cord seat has no snag points.


Acoustic Diffuser Panels

Assemble stepped wooden skyline or QRD diffuser panels with lots of repetitive blocks. Use the bit to drive hundreds of screws quickly with consistent countersinks and plug holes for a smooth, studio-grade aesthetic.