Steel fasteners
Mechanical properties:
- Bolts, screws and studs
- Nuts and adjusting screws
Special steel types and standards:
- For high and/or low temperatures
Other data:
- Electrolytic coatings
- Non-electrolytic coatings
- Torsion test for screws and bolts
Stainless steel fasteners
Mechanical properties:
- Bolts, screws and studs
- Nuts, adjusting and self-tapping screws
Other data:
- Influence of high and low temperatures
- Chemical composition
- Overview of material types
Other fastener materials
Mechanical properties:
- Brass, copper and aluminium items
- Titanium and plastic items
Tightening torque and friction
- Friction coefficients
Steel fasteners:
- Tightening torques and pre-stressing forces
Stainless steel, brass and plastic items:
- Tightening torques and pre-stressing forces
Tolerance and fit
- Product classes for defining tolerance
Tolerance tables:
- Washers
- Screws, bolts and nuts
Fitting tables:
- Basic tolerances
- External dimensions
- Internal dimensions
All about screw thread
- Selection table external screw thread
- Screw thread tolerances
- Drill hole tables
Other tables
- Selection table washers
- Conversion table inches – millimetres
- Reference table deviating head dimensions
In 2018 we did extensive research into the possibilities for an even stronger stainless steel screw. The results of the tests surpassed our own expectations with a tensile strength that exceeded 900 N / mm². The Jextar brand was born.