Forged stainless steel shackle for sailboats (twisted)
316 Twist
Petersen Stainless
Contrary to upset forms produced
in several press operations,
electrical upsetting produces
no kinks or interruption of grain
flow. The surface of the shackle
is free from wrinkles or burrs.
The cold shank remains totally
undamaged.
Even when the shackle heads are
pressed into their final shape, the
grain structure of the external
contour retains a high degree of
accuracy,
