TNHO 
OEM&ODM
Flexible and versatile specifications, non standard screws,like materials,head shape, slotting method, outer diameter, length, thread spec, surface treatment, strength grade, salt spray test duration, package type and other more items can be made as customers required.
Materials | Stainless steel,Carbon steel,Alloy steel, Copper, Aluminum or as OEM required. |
Head shape | Slotted head、Phillips head、eleven-slot head、Torx head、Hex head、square head、flat head、round head、T-head、Mushroom head、Cylindrical head、Countersunk head、Raised countersunk head、cap head、button head、ball head and other more custom head for free choice. |
Outer diameter | M1.5-M30 or as per your need. |
Length | Flexible customization according to customer needs |
Thread spec | Coarse thread、fine thread、single-start thread、multi-start thread、fastening thread、power transmission thread、Fully threaded、half-threaded, non-threaded and other more OEM thread for free choice. |
Grade standard | 8.8,10.9,12.9 |
Hardness standard | HRC、HV、HB |
Surface treatment | Black oxide, zinc plating copper plating, nickel plating, chrome plating, silver plating, gold plating Dacromet, hot-dip galvanizing(HDG), etc. |
Salt spray test method & duration | Method: NSS、AASS、CASS,etc. Duration: 24H-72H, 168H-500H,＞1000H，etc. |
International Standard | ISO、DIN、ANSI(ASME)、BS、JIS,etc. |
Factory certification | ISO9001、ISO14001、ISO45001、IATF16949，etc. |
Test devices | Caliper,Go & No-go gauge,Tensile test machine,Hardness tester, Salt spray tester, Visual inspection screening tester,etc. |
Samples policy | A certain number of free samples can be provided, but the cost for the exceeding samples and the shipping freight will be borne by customers. |
MOQ | Negotiable. |
Lead time | 15-20 days |
Loading port | Ningbo or Shanghai |
Package | 100-1000pcs per bag with a label, export standard cartons, pallets,etc. |
Customization strength | our senior R&D team, premium manufacturing facilities and strong production capacities, ensuring to meet all your customized needs for non-standard fasteners and even difficult & irregular shaped fasteners in any industries.
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Typical Applications
Our TIANHONG precision screws are widely used in various industries, including power and electrical, new energy, automobile manufacturing, aerospace, industrial machinery, medical equipment, construction, furniture, etc. Among them, we are most proud that more than 80% of the lead seal screws for electric meters in the Chinese domestic market are produced by us. In the future, we will also enter more and more global overseas market.
