Name: 304 Hexagonal Long Nut
Brand: Shenzhen Xintegu Hardware Co.,Ltd.

304 Hexagonal Long Nut

The 304 hexagonal long nut, crafted from stainless steel, stands as a critical component in various assembly and construction applications. Esteemed for its corrosion-resistant properties, this durable fastener is ideal for environments prone to moisture and chemical exposure. Its hexagonal shape ensures a robust grip and ease of installation with standard tools, while the elongated body provides increased thread engagement for enhanced security and load distribution.

Manufacturing Processes of 304 Hexagonal Long Nut

Material Selection: The nut is made from 304 stainless steel, known for its corrosion resistance and strength. The material is chosen to ensure durability and reliability in various applications.

Blanking: The manufacturing process begins with blanking, where stainless steel billets or bars are cut into smaller, manageable pieces, or blanks, which will be formed into hexagonal nuts.

Forging: The blanks are then heated and forged into the rough shape of a hexagonal nut. Forging involves applying high pressure to shape the metal into a hexagonal form, ensuring that the material's grain structure aligns with the desired shape, which improves strength and durability.

Thread Cutting: After forging, the nuts are machined to cut internal threads. This is typically done using a tapping process, where a cutting tool or die creates the internal threads that will fit onto the corresponding bolt.

Machining and Finishing: The nuts are further machined to refine their dimensions and achieve precise tolerances. This includes ensuring the hexagonal shape is uniform and the internal threads are accurately cut. The nuts may also be subjected to surface finishing processes, such as polishing, to improve appearance and remove any burrs or imperfections.

Heat Treatment (if necessary): While 304 stainless steel generally does not require heat treatment, some specific applications might involve additional heat treatment to enhance material properties.

Inspection and Quality Control: The finished nuts undergo rigorous quality control to ensure they meet specifications for dimensions, thread accuracy, and material properties. This step ensures that each nut performs reliably under the intended conditions.

Packaging: Finally, the nuts are packaged for distribution, ensuring they are protected from damage and contamination during transit.

Specifications of 304 Hexagonal Long Nut

Thread size (d)
P	Pitch
s
L
e
Thousand pieces weight (steel) ≈ kg

M6	M8	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M33	M36
1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3	3.5	3.5	4
10	13	17	19	22	24	27	30	32	36	41	46	50	55
18	24	30	36	42	48	54	60	66	72	81	90	99	108
11.05	14.38	18.9	21.1	24.49	26.75	29.56	33.53	35.03	39.98	45.2	50.85	55.37	60.79
7	18	42	63	95.5	122	140	240	300	412	608	825	1100	1470
①, Material: a) Austenitic stainless steel, grade: A2, A4; strength grade: ≤M39:50, ≤M20:70,80; standard DIN EN ISO 3506-1-1979. b) Performance strength grade: 50, made from A1, A2; characteristics: soft state; cold-worked, turned and soft-pressed fasteners; (for fasteners of this standard, A2 applies) c) Performance strength grade: 70, made from A2, A4; characteristics: cold-worked, standard strength formed fasteners; d) Performance strength grade: 80, made from A2, A4; characteristics: extremely cold-worked, high strength, special purpos