Wood Screw Pilot Hole Sizes: #5 wood screw

Specific conversion page with reference context, calculator, and nearby values.

Author

Prof. Kenji Tanaka

Woodworking editorial contributor

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

Reviewed by

Prof. Anna Kowalska

Woodworking content reviewer

Polish biostatistician at the University of Warsaw, advancing Bayesian methods for clinical trial design

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

#5 wood screw converts to

0.1094 in softwood / 0.125 in hardwood

Use this as a quick reference for Wood Screw Pilot Hole Sizes.

Value Details

Input: #5 wood screw

Output: 0.1094 in softwood / 0.125 in hardwood

Browse all reference values for Wood Screw Pilot Hole Sizes

softwoodPilotIn: 0.1094 | hardwoodPilotIn: 0.125 | clearanceIn: 0.1406 | softwoodPilotMm: 2.78 | hardwoodPilotMm: 3.18 | clearanceMm: 3.57

Pilot Hole Size Calculator

Select a screw gauge and wood type to get recommended pilot and clearance diameters.

Pilot Hole Result

Nearby Reference Values

Wood Screw Pilot Hole Sizes values near #5 wood screw
Screw GaugeSoftwood Pilot (in)Hardwood Pilot (in)Clearance (in)
#2 wood screw0.06250.07810.0938
#3 wood screw0.07810.09380.1094
#4 wood screw0.09380.10940.125
#5 wood screw0.10940.1250.1406
#6 wood screw0.10940.14060.1562
#7 wood screw0.1250.14060.1719
#8 wood screw0.1250.15620.1719
#9 wood screw0.14060.15620.1875
#10 wood screw0.14060.17190.2031

Frequently Asked Questions

Common questions about Wood Screw Pilot Hole Sizes, formulas, and expected usage.

Why use different pilot holes for hardwood and softwood?

Hardwoods split more easily, so they usually need a larger pilot hole than softwoods for the same screw gauge.

What is a clearance hole?

A clearance hole is drilled through the top piece so screw threads do not bite that layer, helping pull parts tightly together.

Should I always drill pilot holes?

Pilot holes are strongly recommended near board ends, in hardwoods, and for larger screws to reduce splitting and improve driving accuracy.

Do these values replace manufacturer guidance?

Use these as practical defaults, then adjust to screw type, wood moisture, and manufacturer recommendations for critical work.

Methodology and Review

This page is generated from the same conversion definition used by the main calculator page, which keeps the calculator, reference table rows, and FAQ schema aligned.

Reviewer and update metadata are shown above and included in structured data. See our editorial policy, review process, and corrections policy.

Use this page as a fast lookup reference, then confirm final project values using applicable standards and manufacturer documentation.