สกรูขับ Torx สกรูหัว Truss, สกรู SS

Qingdao Hengfei  Fastener Co.,LtdProduct RangeScrews : M3-M8, All types: No. 2-No.14Machine screws : M3-M20Grade : 4.8/8.8/10.9/12.9Material : Carbon Steel, Alloy Steel, Stainless Steel, BrassSurface treatment: ZP, Phosphating, H.D.G, Mechanical Galvanized, Power Coating, DacrometSalt Spray Time: 24 hours, 48 hours, 96 hours, 1000 hours…Provide salt spray reportAll types of special screws with spring washers and plain washerAdvantages of Hengfei Fasterens:

High quality material source             Quality Assurance                                    Stock Available

High quality raw materials                   We have a dedicated team                           As a veteran manufacturer,
purchased from well-known                in charge of quality inspection                      we have sold our products
factory such as BAOSTEEL               Each product should be tested by them        to many foreign countries in
and TISCO.                                         before delivery.                                             the past years. We have
High quality raw material=                                                                                        large quantity of stocks ,so
high quality products. Our                                                                                        that clients can receive their
products can strictly meet the                                                                                  goods as soon as poaibble.
relevant standards.

More screws :








Paking and shipment:


Our Company:1. Established in 2004.nearly 15 years of production history

2. Focused on standard and non-standard screw, bolt and nuts.3.There are more than 200 machines: Screw machine, Automatic rolling machine, The tangent machine, Grinding machine, CNC lathe 4.Quality control: Optical screening machine. Garantee 100% qualited rate of the products.5.Quality Test: salt spray testing machine, antomatic defect products sorting machine, computer auto sorting machine and 2D computer measurement systerm.


 Q: Are you trading company or manufacturer ?
A: We are factory.

 And we are the independent foreign trade department in Qingdao City.

 Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
 Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.