Product Details

Get clean, professional results every time with the 9/64" Adjustable Countersink Drill Bit. Designed for #6 screws in wood and PVC plastic, this bit combines drilling, countersinking, and counterboring into one fast step. With its adjustable set-screw design and 4-edge cutting action, it delivers smooth, precise holes and a flush finish-perfect for fine woodworking, cabinetry, and trim work.

Why Choose Spyder

Sized for #6 screws - 9/64" tapered countersink drill bit engineered for precision fit

Adjustable depth control - Set-screw design lets you fine-tune pilot hole depth to your project

1-step performance - Drill, countersink, and counterbore in one smooth, efficient motion

4 cutting-edge design - Creates clean, tear-free countersinks and accurate pilot holes in wood and PVC plastic

Professional 3/8" countersink bore - Ensures consistent, flush finishes across multiple applications