Sealcon 300PCS Kit with Flat Sealing Copper Gasket/Washer

Product Description

Products Description

product brand	Haosheng fasteners flat washer
Service	OEM/ODM and fast shipping ,strict quality check,free sample for standard fastener
customize lead time	30-60days
standard	DIN, ASTM/ANSI JIS EN ISO, AS, GB
Steel Grade	DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9;  SAE: Gr.2, 5, 8;
Production Process	M2-M30:Cold Froging, M30-M100 Hot Forging, Machining and CNC for Customized fastener
finishing	Zinc(Yellow, White, Blue)black oxide, Black Hop Dip Galvanized(HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated

 

 

Smooth and free of burrs
The surface is smooth without burrs, the workmanship is of high quality, and it is sturdy and durable

The thread is clear
The threads are neat and clear, with uniform force distribution and are not prone to slippage

High-quality material
Premium carbon steel, precisely tuned, heat-treated for top-notch performance

 

 

    Since its establishment in 1996, Handan Haosheng Fasteners Co., Ltd. has grown into a comprehensive sales center that integrates warehousing, processing, and inspection through over two decades of arduous efforts. With a workforce of more than 100 employees, including 10 senior technicians. We have established long - term and stable partnerships with large - scale hardware enterprises both within and outside the province, and our products have found their way to markets across the globe.         Nestled in a prime location with excellent transportation accessibility, our 30,000 - square - meter modern production base encompasses a complete in - house production process. From wire drawing, annealing, cold heading to quenching and tempering, every step is carried out on - site, enabling us to fully satisfy diverse customer requirements.      
     Our independent inspection laboratory is outfitted with a full suite of advanced testing equipment. This setup empowers us to conduct a wide range of technical tests, including material chemical analysis, metallographic inspection, mechanical property testing, corrosion resistance testing, and measuring tool calibration. Such comprehensive testing ensures stringent quality control and continuous product enhancement.    
     Upholding the enterprise spirit of "Crafting every screw with meticulous attention" and the business philosophy of "Customer - first, integrity - driven, and service - oriented", we are dedicated to becoming a globally leading fastener enterprise. Our success today is built upon a perfect quality assurance system, strict management regulations, powerful production capabilities, and cutting - edge inspection methods.

Line of production

Certifications

Exhibition

Packaging & Shipping

FAQ

Q1: Are you manufacturer or trading company?
A1: We are professional manufacturer with 30 years experience. We accept OEM, ODM as your needs and assure the competitive price and quality for you.

Q2: Can you offer me sample?
A2: Yes, we can offer you sample to test and check quality.

Q3: How does your factory do regarding quality control?
A3: We have professional QC team to inspect each items from the links of production to package.

Q4: How about your delivery time?
A4: Normally it will take 30-35 days after receiving your deposit.

Q5: What is your terms of payment?
A5: T/T 30% as deposit, and 70% balance before delivery.

Q6: What advantages we have?
A6
1.Strict QC: For each order, strict inspection will be carried out by the QC department before shipping. The bad quality will be avoid within door.
2.Shipping: We have shipping department and forwarder, so we can promise faster delivery and make the goods well protected.
3.Our factory professional production metal box drawer system,hinge,concealed drawer slides ,ball bearing slides , etc furniture fittings.