POR-6Z2550 | SCREW 619440 for Porter machine

SIN-545318 | Needle Clamp Screw for Singer 29K Boot Patcher | 9/64 40 L3.5 NSS Needle set screw 544383

SIR-SK216 | 5292 | 3637 Siruba/ Yamato / Pegasus Needle Set Screw 3.10mm 3.30mm

SIN-8611 | Singer Bobbin Case Tension Spring 29K71 HA-46089 screw 662

SIN-691 | Needle Plate Screw Black 11/64 40 ( Cross Head is SS-2110915-SP) -Silver is SK675- For plain machine

SIN-223 | Singer SCREW