Please click here to see a torque values data sheet prepared by W. Christie
Guidance notes on the use of Preloaded Bolt Assemblies
The attached publication by the BCSA details how preloaded bolt assemblies work, guidance on when these assemblies should be used and if they can be re-used or not.
Grip, Bolt Lengths and Hole
Dimensions
The document contains information on calculating
the length of Bolts required when taking into consideration the grip lengths.
The final table in the document explains the dimensions of Standard Size
Clearance Holes, Oversize Clearance Holes, Short Slotted and Long Slotted
Holes.
Summary comparison
of BS 4395 and BS EN 14399-3 & 6 (970KB)
Shows differences of the dimensional and
mechanical properties between BS 4395 and BS EN 14399-3 & 6
Detailed comparison of BS 4395 and
BS EN 14399-3 & 6 (2.6MB)
Shows the dimensional and mechanical properties
in both BS 4395 and BS EN 14399-3 & 6
Guidance On The Use
Of High Strength Friction Grip Bolting (233KB)
The recommendations detailed are a summary of
our experiences as to the best codes of practice. The final responsibility for
the specification and the use of HSFG Bolts lies with the Designer, Consultant
or Engineer.s
Comparison of Tightening Methods of HSFG Bolts (139KB)
Transverse Vibration Loosening Characteristics of High Strength Fastened Joints using DTIs (678 KB)