Design according to DIN 3113,form B,ISO 3318,ISO 7738,Vanadium steel 31CrV3,chrome-plated,Carefully forged and expertly machined,Ring: curved and angled at 10°,with UD profile for careful force transmission,Overload is indicated by deformation,Deep-lying,resp.
countersunk nuts or screws can be safely operated even with the curved washer,High-quality industrial quality for continuous loading under tough conditions,Anti-glare due to matt chrome,Jaw: ground to exact,nominal size for optimum contact surfaces,Slim shank, reinforced with power rib on the jaw side guarantees the highest torques