Daosan is a leading fasteners manufacturer for standard and non-standard fasteners in China. Our fasteners category including hex bolts and nuts, screws, threaded rods, studs which widely used in applications of commercial, industrial, construction, medical, HVAC, furniture. Standard DIN and ISO.
Daosan is a leading bolts and screws manufacturer in China.
Daosan has both cold forming and hot forging machines which produce bolts and studs ranging from size M10 to M72 with annual production capacity over 10,000 tons.
As a family-owned bolts factory, we dedicated to bolts and studs manufacturing and supplying for over 20 years. For every step of our process, from raw material to finishing, reflects our commitment to innovation and excellence.
For our bolt assembling sets, we are CE 15048 and CE 14399 certified. To get through the auditing conducted by CE authority, all our quality control process will be guaranteed and examined each year.
With years of experience in fasteners producing and exporting, we developed our technical ability in both standard and customized bolts and screws manufacturing. Customized bolts can be provided basing on your specific request.
Send us your technical drawings, dimensions and material requirements. Our engineering team reviews your specs quickly for quotation.
We complete full manufacturing from raw material, cold heading, thread rolling, heat treatment to multi-tests including hardness & salt spray test. Each batch comes with MTC material test certificate.
Custom packaging is available. Goods will be well packed before delivery to guarantee safe arrival.
Daosan who has been manufacturing hex bolts, heavy hex bolts, stud bolts and nuts assemblies. Especially bolt DIN931, DIN933, ISO4014, ISO4017, A307, A325, A490 and stud ASTM A193 B7 with nuts 2H
Quality is always our first priority which cannot be sacrificed with the reason of costs. Every item shipped out will be tested as per standard and issued . Also, bulk samples can be sent before shipment, or you can arrange pre-shipment inspection when goods ready.
Please send your request for quotation list to admin@daosanfasteners.com and we will revert in 12 hours. Products standard, size, grade, coating and quantity are required if available, we will check and offer the same or equivalent products accordingly.
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