M8 to M20 Fine Thread Nyloc Self Locking Hex Nuts Nylon Insert Lock A2 Stainless | eBay
Ball-end thrust screws without head with full ball, with thread lock | norelem
Stretch Thread. Textured Nylon Thread for Bobbin or Looper. - Etsy UK
DGZ Store 304 Stainless Steel Left Hand Thread Lock Hex Nut Nylon Lock Nut M12 Pitch 1.75Mm(4Pcs) M12-1.75Mm,Left Hand Black : Amazon.ca: Tools & Home Improvement