Short Run Pro - Manufacturer of metal parts, custom metal brackets and custom metal fabrication services provider.
go | Advanced Search
| Share
build a bracket
request a quote
Allow us to draw your part.
General Engineering Guidelines
Home > Resources > Wood Screw Guide
  • Wood Screw Guide

    Short Run Pro American Wood Screw Guide

    The chart below will give the user the various dimensions for American Wood screws. All dimensions are in inches. The shank pilot hole is the one which will clear the thickest part of the screw body.

    Screwgauge Body dia. Shank pilot hole Pilot hole in softwood Pilot hole in hardwood
    0 0.060 1⁄16 1⁄64 1⁄32
    1 0.073 5⁄64 1⁄32 1⁄32
    2 0.086 3⁄32 1⁄32 3⁄64
    3 0.099 7⁄64 3⁄64 1⁄16
    4 0.112 7⁄64 3⁄64 1⁄16
    5 0.125 1⁄8 1⁄16 5⁄64
    6 0.138 9⁄64 1⁄16 5⁄64
    7 0.151 5⁄32 1⁄16 3⁄32
    8 0.164 11⁄64 5⁄64 3⁄32
    9 0.177 3⁄16 5⁄64 7⁄64
    10 0.190 3⁄16 3⁄32 7⁄64
    11 0.203 13⁄64 3⁄32 1⁄8
    12 0.216 7⁄32 7⁄64 1⁄8
    14 0.242 1⁄4 7⁄64 9⁄64
    16 0.268 17⁄64 9⁄64 5⁄32
    18 0.294 19⁄64 9⁄64 3⁄16
    20 0.320 21⁄64 11⁄64 13⁄64
    24 0.372 3⁄8 3⁄16 7⁄32
DD
Short Run Pro wins an Epic Award from Montcross Chamber in Belmont, NC
Short Run Pro is a proud member of the Building Trade Assoications Metal Fabrication – Made in American Strong