1.Clevis Pin Snap Shackle,fixed snap shackle. 2.SS316 or SS304 3. ... Pin Snap Shackle,fixed snap shackle Casting: investment casting ,precision casting, lost wax casting ,soluble glass process complex shell process ... machining, turning, milling, drilling, thread cutting.5. Surface treatment: glass rays electrolytic polishing, coating, varnishing, bromzing. Passivating, grinding, polishing6. ...