Heavy Hex Bolts

Product Description

Hebei Dongshao Fastener Manufacturing Co., Ltd. is a well-known supplier and manufacturer of heavy hex bolts in China.The heavy hex bolts manufactured by the company have the following characteristics:Excellent material: heavy hex bolts are made of high quality steel, high hardness, not easy to break, strong corrosion resistance, long service life, durable.

High strength: heavy hex bolts have strong carrying capacity and tensile strength, suitable for use in large-scale projects.Easy installation: This type of bolt has a hexagonal head design, easy installation and disassembly, no special tools, can help users quickly complete installation and maintenance.

Complete specifications: heavy hex bolts have a variety of specifications to choose from, which can meet the procurement needs of customers with different needs, fully reflecting the flexibility and application of the product.

Because the head of heavy hex bolts is composed of two parts: the hexagonal head and the flange surface, its "support area and stress area word ratio" is greater than that of the ordinary hexagonal head bolt, so the bolt can withstand higher preload and the anti-loosening performance is also better.

It is mostly used in industrial machinery, automobiles and heavy machinery, pressure vessels and pipelines, as well as large power generation equipment and vehicles.

Product Parameter

(mm)	M12	M14	M16	M20	M24	M30	M36
P	1.75	2	2	2.5	3	3.5	4
ds max	12.7	14.7	16.7	20.84	24.84	30.84	37
ds min	11.3	13.3	15.3	19.16	23.16	29.16	35
s max	21	24	27	34	41	50	60
s min	20.16	23.16	26.16	33	40	49	58.8
e max	24.25	27.71	31.18	39.26	47.34	57.74	69.28
e min	22.78	26.17	29.56	37.29	45.2	55.37	66.44
k max	7.95	9.25	10.75	13.4	15.9	19.75	23.55
k min	7.24	8.51	9.68	12.12	14.56	17.92	21.72
da max	13.7	15.7	17.7	22.4	26.4	33.4	39.4
r min	0.6	0.6	0.6	0.8	0.8	1	1