Standard DIN 6923. Serrated Flanged Hexagon Nuts are ideal for applications under vibration alongside providing increased load distribution. The serrated flange prevents the nut from becoming loosened, by biting into the surface of the mating assembly.
eBay
Chainsaw Parts Bar Nuts MS 180 250 381 1.25cm Thread Pitch 10pcs M8 Thread 361 440 660 Fit For Stihl Guide Bar Nuts
Aliexpress UK
Serrated Flange Nuts. Manufactured from A2 stainless steel for increased corrosion resistance. Stainless Steel A2 (304) DIN 6923. Stainless Steel Flange Nuts. Bolt World.
eBay
5pcs Brass Hex Nuts 1/8 1/4 3/8 1/2 3/4 1 Inch Thread Hexagon Nuts Metal Sealing Fittings Plumbing Accessories
Aliexpress UK
Nyloc NutsA2 Stainless Steel. Hexagon nyloc nuts with a self locking nylon insert. M14 x 2.0mm pitch; 22mm spanner size. M16 x 2.0mm pitch; 24mm spanner size. M8 x 1.25mm pitch; 13mm spanner size.
eBay
SNOR Engine Cylinder Accessories Cylinder Head Bolts Stud Nuts For ZONGSHEN CG125 CG150 CG200 Cylinder Stud Nut Kit
Aliexpress UK
Hexagon Full Nut DIN 934. Zinc plated Grade 8 DIN 934. Grade 8 Steel Full Nuts, Grade 8 - Bright Zinc Plated. These are the standard, most commonly used hexagon nuts. Video is just to show shape and colour etc, size of the actual product will depend on your required size.
eBay
100/50/10pc Copper Washer Flat Ring Seal Spacer M5 M6 M8 M10 M12 M14 O Ring Gasket Solid Shim Pad Sump Plug Hardware Accessories
Aliexpress UK
BLACK STAINLESS STEEL NYLOC NUTS. M12 1.75mm N/A 19mm 12.0mm. Nylon Insert Nuts. Made from A2-70 Black Stainless Steel. Price : 3.30.
eBay
M4 M5 M6 M8 M10 M12 M15 M20 M27 M36 M42 Y Joint Female to Male Thread Pneumatic Cylinder Mounting Knuckle Rod Piston Clevis
Aliexpress UK
Flanged Nyloc Nuts. Flanged nuts with nylon locking insert. M8 x 1.25mm pitch; 13mm spanner size. M12 x 1.75mm pitch; 18mm spanner size. M10 x 1.5mm pitch; 15mm spanner size. M6 x 1.0mm pitch; 10mm spanner size.
eBay
M3 M4 M5 M6 M8 M10 M12 M14 M16 Metric Male To 3 4 5 6 8 10 12 mm Hose Barb Nipple 304 Stainless Steel Pipe Fitting Air Water Gas
Aliexpress UK
The Nyloc nuts are a torque prevailing nut that uses a nylon insert to provide a locking feature. Stainless Steel A4 Nyloc Nuts. Manufactured from A4 Marine grade stainless steel for maximum corrosion resistance.
eBay
White/ Black Plastic Nylon Flat Washer Plane Spacer M2 M2.5 M3 M4 M5 M6 M8 M10 M12~ M24 Insulation Gasket Ring For Screw 0.5~3mm
Aliexpress UK
A2/70 Stainless Steel. M4/4mm 10mm 7mm 6mm 0.7.
eBay
Titanium Metric Flat Washer M5 M6 M8 M10 M12
Aliexpress UK