NAMOKA Screw Size Chart & Drill Bit Gauge, Laser-Etched 6061 Aluminum

Key features

• Precision Screw Size Chart & Drill Bit Gauge : Laser-etched chart instantly matches ​**#4-#14 wood screws** to ​fractional-inch pilot holes (softwood left, hardwood right). Ex: #14 screw uses 15/64" tapered (softwood) or 1/4" straight (hardwood).
• Dual Drill Bit Compatibility (Tapered & Straight) : Tapered bits for countersinking (left), straight bits for shank clearance (right). Eliminates split wood and stripped screws.
• Aerospace 6061 Aluminum + Dual-Scale Ruler : 4mm-thick aluminum with fade-proof markings. ​15cm metric scale (screw lengths) and ​6-inch ruler (drill bit checks) built into edges.
• Fractional-Inch Pilot Hole Standardization : Softwood/hardwood pilot holes use ​fractional inches only (e.g., 11/64") for global drill bit compatibility.
• Pro-Grade Drill Gauge & Screw Sizer : Trusted by woodworkers for ANSI-compliant sizing and ​lifetime durability. Mounting holes for wall/toolbox storage; rounded edges for safe handling.

Free shipping included. 30-day hassle-free returns.