Top washer has the following features: The Working Load Limit and Recommended Torque value are permanently stamped into each washer. Washer is color coded for easy identification: Silver - Metric thread.
Metric threads available in sizes form 400g to 16,900kg and dual rated in both a 4 to 1 and 5 to 1 design factor
All components are Alloy Steel- Quenched and Tempered
Individually Proof Tested to 2-1/2 times Working Load Limit
360 degree swivel and 180 degree pivot action
Bolt Specification is a Grade 129 Alloy socket head cap screw t0 Din912. All threads listed are metric (ASME/ANSI B1831m)
Designed to be used with ferrous work piece only
BOLT SIZE IDENTIFICATION: The size of the bolt will be stated as in the drawing below Illustration shows meaning of each dimension given