SIN-41581 | Singer Hook Guard Screw (formerly 508521)

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

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

BR-146427-001 | Brother & Singer Industrial Overlock Needle Set Screw - 3.18mm

MISC-SC-SMSET | SMALL SCREW DRIVER SET

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