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


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

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Bolt Stretching and Tensile Stress

Tensile stress and Hooke's Law

Bolt Torque Calculator

Calculate required bolt torque

Drill Bits - Conversion Chart

Convert between drill bit dimensions - gauge numbers, inches and mm

Fasteners - Type Chart

Wood screws, machine screws, sheet metal screws, self drilling SMS and more

Improvised Torque Wrench

Improvise a torque wrench with a luggage scale

Metric Bolt Head and Wrench Size

ANSI/SO, DIN and JIS bolts

Metric Bolts - Minimum Ultimate Tensile and Proof Loads

Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads

Metric Bolts - Tightening Torques

Typical maximum recommended thightening torques for metric bolts

Metric Nuts - Proof Loads

Proof loads of metric nuts - coarse and fine threads

Metric Steel Bolts - Grades and Property Classes

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

Metric Threads - Clearance Holes and Tapping Drill Sizes

Recommended clearance holes and drill tap sizes

Nails and Spikes - Metric Dimensions

Nails and spikes - commonly used metric sizes

Nails and Spikes - US Standard Dimensions

US common wire standard nail and spikes sizes and dimensions - Imperial Units

Nails and Spikes - Withdrawal Force

Allowable withdrawal load for nail and spikes

Reduced Torque with Lubricated Bolts

Lubrication effect on bolt tension and torque

Screws - Metric vs. Inches

Metric versus Imperial equivalent screw dimensions

Steel Bolts - ASTM Grades

ASTM steel bolts - proof and tensile strength

Steel Bolts - SAE Grades

SAE steel bolts - grades ranging grade 1 to 8.2 - proof and tensile strength

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T-Slots and T-Nuts - Metric Sizes

Standard metric T-slots and T-nuts

Threaded Bolt Stress Area

Threaded bolts tensile stress area

Threaded Rods - Loads in Imperial Units

Weight rating of threaded hanger rods

Threaded Rods - Proof Loads in Metric Units

Proof load capacities of metric threaded steel rods

UNC and UNF - Unified Inch Screw Threads

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

US and Metric Fasteners - Thread Sizes

Printable fastener chart

US Bolts - Head and Wrench Sizes

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

US Bolts - Tensile Strength and Proof Loads

Tensile strength and proof loads SAE bolts

US Bolts - Tightening Torques

Recommended bolt torques

US Hex Bolts - Inches

ANSI/ASME B18.2.1 Dimensions of Hex Bolts - Imperial units

US Hex Bolts - Metric

ANSI/ASME B18.2.3M Dimensions of Hex Bolts - Metric units

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

Whitworth Bolt Torques

Torque specifications Whitworth bolts

Wood Screws - Withdrawal Forces

Allowable withdrawal load force

Wrench Spanner - Inches vs. mm

SAE to metric wrench or spanner converting chart.

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Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

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 Pro Sketchup Extension Warehouse!

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