Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

This is an AMP page - Open full page! for all features.

US Machine Screws - Dimensions

Sponsored Links

US Machine Screws - Dimensions
Size no.Thread DiameterTPI

Nearest Fractional
0 0.0600 1/16 80
1 0.0730 5/64 72 64
2 0.0860 3/32 64 56
3 0.0990 7/64 56 48
4 0.1120 7/64 48 40
5 0.1250 1/8 44 40
6 0.1380 9/64 40 32
8 0.1640 5/32 36 32
10 0.1900 3/16 32 24
12 0.2160 7/32 28 24
1/4 0.2500 1/4 28 20
5/16 0.3125 5/16 24 18
3/8 0.3750 3/8 24 16
Sponsored Links

Related Topics


Bolts, nuts and threaded rods - torque, tension and loads.


Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.

Related Documents

Metric Bolt Heads and Wrench Sizes

ANSI/SO, DIN and JIS bolts.

Metric Steel Bolts - Grades and Property Classes

Metric steel bolts, screws and studs - proof and tensile strength.

Reduced Torque with Lubricated Bolts

Lubrication effect on bolt tension and torque.

Screws - Metric vs. Inches

Metric versus Imperial equivalent screw dimensions.

UNC and UNF - Unified Coarce and Unified Fine Inch Threads

ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.

US Bolts - Head and Wrench Sizes

Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt.

US Bolts - Tightening Torques

Recommended bolt torques.

US Machine Screws - Dimensions

Machine screw diameters.

US Machine Screws - Dimensions

Machine screw diameters.

US Wood Screws - Nominal Sizes

Wood screws - nominal sizes vs. diameters.

US Wood Screws - Pilot Holes

Hard wood and soft wood pilot holes, shank clearance holes and countersink diameters.

Wood Screws - Withdrawal Force

Allowable withdrawal load force.

Wrench Spanners - Inches vs. mm

Convert between US Inches and metric mm wrench and spanner sizes.

Sponsored Links

Search Engineering ToolBox

  • the most efficient way to navigate the Engineering ToolBox!

SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!


We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.