They are made to DIN spec 466, the O.D. of the knurled portion is 12mm, and the overall height is 8mm. The pictures above show a random handful and is a good representation of what you will receive.
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20/25/32mm PE Pipe Fast Connecting Fittings PVC Pipe Valve Lock Nut Wrench Wrench Irrigation Tubing Repair Tools Wrench 1Pc
Aliexpress UK
Basically, You Place the Tool over Virtually Any Nut or Bolt and the Socket Gift Set Automatically Conforms to the Shape, Allowing You to Begin Work Without Fussing over Selecting the Right Size Socket.
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Clutch Arm Lever Rod Ball Pin Rod Camshaft Nut Kit For 49cc 60cc 70cc 80cc 2 Stroke Motorized Bicycle Engine Accessories
Aliexpress UK
【Product Size】: This end features a 1/4"-20 female thread that accepts a standard air cleaner mounting bolt. 【Versatile Compatibility】: Air cleaner bolt kit designed to fit a wide range of carburetors with 1/4-20 thread.
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HIFESON 40mm Pneumatic Rivet Head Electric Rivet Head Replace Screws Rivet Nut Gun Riveter Tool Accessories M3 M4 M5 M6 M8 M10
Aliexpress UK
Optimized Heat Distribution: Features a hollow bottom design to effectively circulate warm air, providing even heating throughout the room. 1x Bracket，2x Wing Nuts，6x Bolts. Sturdy Stainless Steel Construction: Made from FOR DURABLE stainless steel for excellent heat resistance and long-lasting performance under high temperatures.
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CR-V Steel Magnetic Nut Screwdriver Socket Bits For Power Drills Hex Shank Driver/Adapter Socket Wrench Tool Parts Accessories
Aliexpress UK
Fits models: ROTAK Series: Rotak 32, Rotak 32 R, Rotak 320 ER, Rotak 32-12, Rotak 340 ER, Rotak 340 R, Rotak 34-13, Rotak 36 R, Rotak 370 ER, Rotak 37-14 Ergo -- ARM Series: ARM 32, ARM 32 R, ARM 3200, ARM 33, ARM 34, ARM 34 R, ARM 3400, ARM 36, ARM 360, ARM 3650, ARM 37, ARM 37 R, AXT RAPID 2200, ROTAK 40, ROTAK 40 C, ROTAK 40 GC, ROTAK 400C ROTAK 43, ROTAK 43 LI + many more.
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1/4pcs Socket Adapter Power Drill Square Head For Screwdriver Head Drill Bit Shank Extension Nut Driver Sockets Power Tools Part
Aliexpress UK
1 Set Solid Glass Pestle and Mortars Bowl Set Portable Grinding Mill Tools. Garlic Storage Pot Ceramic Canister Kitchen Jar Container with Lid. These are also a housewarming gift for friends.This set of screw nut is made of high-quality materials,, simple and practical, and very versatile, making them more convenient for you to install the furniture.
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New M14 Thread angle grinder self-locking pressing plate black Quick release Flange Nut Clamping Power Chuck Tools Parts 1PC
Aliexpress UK
2 x Wing Nut. Item Type: Battery Hold Down Bolts. 2 x Battery Hold Down Bolts. 2 x Washer. Premium Material: Battery hold down kit is made of premium aluminum alloy and steel material, high hardness, sturdy and durable.
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M3 M4 M6 M8 M10 M12 Mandrel Riveter Machine Accessory Threaded Mandrel Rivet Nut Adapter Pull Rod Riveter Riveting Heads
Aliexpress UK
【Versatile Compatibility】: Air cleaner bolt kit designed to fit a wide range of carburetors with 1/4-20 thread. 【Product Size】: This end features a 1/4"-20 female thread that accepts a standard air cleaner mounting bolt.
eBay
Throttle Clutch Cable Repair Kit Solderless Nipple With Sleeve Nut Set With Cable Lawnmower Rotovator Lawn Mower Parts
Aliexpress UK