| Size | M3-M48 or non-standard as request&design |
| Finish | Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating, Nickel plating,Zinc impregnation,ETC. |
| Material | Carbon steel、Stainless steel |
| Grade | 4，8，10，12 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC. |
| Non-standards | OEM is available, according to drawing or samples. |
| Samples | Samples are free. |
| Package | Wooden boxes, pallet, cartons, plastic bags, nylon bags. |
Bolt Nut is a kind of fastener that have both the bolt and nut's function. It looks like a bolt with bolt thread or some times without, but further has internal thread (female thread) that works like a nut. This kind of bolt nut usually used in some special machines and tools. Bolt nut normally cold forged from low carbon steel or stainless steel, after externally threaded then drill a hole further to internally threaded.
Sleeve nut is a bolt nut like fastener but without the external thread. It has a long body used to couple rods and provide some degree of length adjustment. It is stronger than the corresponding connecting rod of the same materials. It is produced from hexagonal or round bars.
Hex Bolt-Nut, Bolt Size M6x30, Nut Size M3
Material: C1035 carbon steel
Finish: yellow zinc plated
Head and bolt dimensions compliance with DIN933
Hex Bolt-Nut, Bolt Size M6x45, Nut Size M3
Material: C1035 carbon steel
Finish: Black Oxide and Black Zinc Plated
Head and bolt dimensions compliance with DIN931
Sleeve Nuts and customized bolt-nut
Zinc Plated,Black Oxide,Nickle Plated,Bolt Nut
