Fasteners
Bolts, nuts and threaded rods - torque, tension and loads
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
Improvised torque wrench with luggage scale
Lubricated Bolts and Reduced Torque
Lubrication effect on bolt tension and torque
Metric Bolts - Head and Wrench Sizes
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
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
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 to mm
SAE to metric wrench and spanner converter chart