Screw Length & Gauge Guide Calculator

Match wood screw gauge to pilot hole size and recommended length in inches for clean joinery.

Screw Length & Gauge Guide

#8 Wood Screw

Shank Diameter

0.164"

Pilot Hole

0.1094"

Clearance Hole

0.1875"

Common Lengths

1", 1-1/4", 1-1/2", 2"

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