Feather keys, keyways & deep design
The table shows feather keys and keyways designs

Calculation of cylindrical press fits
The tables show the calculation of a cylindrical press fit for elastic load….

Form fit and frictional locking connections
Screw connections are based on a combination of a screw or grub screw with an external thread and a component with an internal thread where form fit between the two is achieved in the thread.

Base forms of the most common threads
Certain thread types defined in the International standards have proven themselves in accordance with the various conditions of use

Overview of standardized nuts
The following table gives an overview of standardized nuts

Coarse pitch thread
Table of coarse pitch threads with nominal thread diameter from 1 to 52mm

Grades for screws
Mechanical characteristics of screws, subdivided into grades

Grades for nuts
Lists nuts with coarse pitch thread

Connection using hexagon head screws
The following table shows design dimensions for connections using hexagon head screws in a selection taken from various standards

Preload force ad tightening torque
The preload force and tightening torque for hexagon head screws with shank in accordance with ISO for various values

Connection using hexagon head screws
Table shows design dimensions for connections using hexagon head screws in a selection taken from various international standard

Mechanical properties of fasteners – coarse thread
Mechanical properties of fasteners: nuts with specified proof load values – coarse thread

Bolt Proof load values & nominal stress area calculation
How to calculate Bolt Proof load values & Nominal Stress area calculation

Mechanical properties of fasteners – fine pitch thread
Mechanical properties of fasteners: nuts with specified proof load values – fine pitch thread

Mechanical properties of fasteners: torques for bolts and screws
Mechanical properties of fasteners: torsional test and minimum torques for bolts and screws with nominal diameters 1–10mm

Metric hexagon socket head screws
Metric hexagon socket head screws

Selection of coarse pitch and fine pitch threads
A selection of coarse pitch and fine pitch threads in accordance with international standards

Tightening Torques for Metric Fasteners
Tightening Torques for Metric Fasteners

Tightening Torques for Imperial Fasteners

Metric Thread Dimensions for ISO Standard Screws & Bolts

Inch Metric Drill Sizes Chart
Inch Metric Drill Sizes Chart