These Black low density polyethylene (LDPE) Push fit. Provides a Neat Finish to Hex Head Fasteners. Colours Available: BLACK. · Enhance Finish of Fasteners. · Easy to fit and to remove.
eBay
Brass Threaded nut inserts M2 M2.5 M3 M4 M5 M6 M8 T-type Copper 3D Printing Injection Embedment Molding Flange Heat Insert nut
Aliexpress UK
Material ：Stainless Steel. The link shows that the inventory is all fake.
eBay
M2 M2.5 M3 M4 M5 M6 M8 Anodized Aluminium Alloy Hex Flange Nylock Nut Black Red Blue Green Aluminium Self-Locking Nylon Lock Nut
Aliexpress UK
Plastic Hex Full Nuts Nylon Hexagon Nuts M4 M5 M6 M8 M10 M12 M16 1/8" - 3/4" BSP.
eBay
Black Hexagon Carbon Steel Metric Hex Nuts M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 DIN934 Nut 1-350pcs
Aliexpress UK
.
eBay
Aluminum Profile T-Slot Nut And Hex Bolt Set M3 M4 M5 M6 2020 3030 Hammer Head T Nuts with Screws Assortment Kit for Series
Aliexpress UK
Standard: DIN 934. Drive Style: Hex. Nyloc Nuts. Material: Stainless Steel. Form A Washers.
eBay
10Pcs M2 M2.5 M3 M4 M5 M6 M8 Anodized Aluminium Aluminium Alloy Hex Flange Nylon Lock Nut Thread Self-locking Hexagon Nylock Nut
Aliexpress UK
M3 M4 M5 M6 M8 M10 M12 STAINLESS STEEL SERRATED FLANGE NUTS FLANGED NUTS.
eBay
M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 304 Stainless Steel Black Hex Nylon Insert Lock Nut Self-locking Locknut DIN985
Aliexpress UK
Class 10 Steel Full Nuts, Grade 10 - Black Self Colour. Hexagon Full Nut DIN 934. Black Self colour. These are the standard, most commonly used hexagon nuts. Lets bring things together. Grade 10 DIN 934.
eBay
20/50Pcs M3 M4 M5 M6 M8 M10 Thickened Steel Four Claws Speaker Nut Blind Pronged Insert T-Nut for Wood Furniture
Aliexpress UK
High tensile socket countersunk screws, grade 10.9. Bolt World. Self colour(black), uncoated.
eBay
M2 M3 M4 M5 M6 M8 Heat Insert Tool and Brass Inserts Nut Soldering Iron Threaded Copper Tip Insertion Nut for Plastic 3d Printer
Aliexpress UK