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eBay
Insert M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 Brass Heat Threaded Insert Nut and Stainless Steel Screw Set Knurled Hot Melt Embedded Nut
Aliexpress UK
Available sizes: M2 M2.5 M3 M4 M5 M6. -Material: Stainless steel A4.
eBay
M5 M6 M8 M10 M12 M16 Hexagonal Socket Nut Coupling Nut Lengthen Thicken Round Cap Column Joint Cylindrical Conversion Screw Nuts
Aliexpress UK
Product material : Nylon. -Product head type : flat head. - Screw neat and clear, even force is not easy to slip the wire.
eBay
M2 M3 M4 M5 M6 Heat Insert Nut Hot Melt Nuts Brass Thread Knurled Embedment Screw Nuts For 3D Printer Accessories
Aliexpress UK
Material：A2(304) Stainless Steel. The threads are deep, and neat and clear, with an even force, not easy to slip. Widely used in industry, furniture decoration and other industries.
eBay
M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Black Grade 10.9 Carbon Steel Hexagon Hex Socket Button Allen Head Screw Bolt Length 3~100mm
Aliexpress UK
The thread length is 5mm the total length is 8mm.
eBay
M2 M2.5 M3 M4 M5 M6 M8 M10 Black Hex Hexagon Socket Button Head Cap Screw Bolt A2-70 304 Stainless Steel ISO7380
Aliexpress UK
eBay
3pcs Chainsaws Brake Handle Cup Screws M4 M5 for Stihl 024 026 034 036 044 046 MS260 MS360 MS440 MS460 00007906100 0000-790-6103
Aliexpress UK
Description: Features: 0.8mm pitch, M5 x 8mm flat head socket cap screw bolts. Designed with hex socket head and 316 stainless steel material. Used widely in the home,office appliance, communication equipments, ship assembly and other machinery industry.
eBay
M5 Screw Nut Wrench with Built in One Way 1.5mm/2.0mm Bearing Tool Screwdriver Fast Release Propeller Motor for RC FPV Drone
Aliexpress UK
It features a pozi drive and a countersunk head for a flush finish. Ideal for various construction and assembly projects where a secure, neat fastening is required. Pozi drive head. Countersunk design.
eBay
M3 M4 M5 M6 M8 Stainless Steel Hex Socket Round Pan Head Screw 316 Metric System ISO7380
Aliexpress UK