DIN7504k Hex Wafer Head with EPDM Bonded Washer Drilling Screw

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**Product Specifications:** - **Model No.:** HD-BDS001-2 - **Type:** Hexagon Head - **Connection:** Common Bolt - **Standard:** DIN, GB, Customized - **Size Range:** M2.5 to M30 - **Certification:** ISO9001 - **Available Materials:** High Strength Steel, Stainless Steel - **Surface Finish:** Black, Color-Zinc, Blue-White Zinc - **Screw Groove:** Triangle, Cross, Flower, Flower Word, Special Shape - **Trademark:** Hande - **Specification:** SGS, ROHS - **HS Code:** 73181500 **Additional Product Details:** - **Material:** Stainless Steel - **Groove:** Special Shape - **Head Style:** Hexagonal - **Grade:** A2, A4 - **Screw Name:** DIN7504k Hex Wafer Head with EPDM Bonded Washer Drilling Screw - **Export Markets:** Global - **Usage:** Machinery, Chemical Industry, Environmental Applications - **Screw Types:** Hexagon Head, Round Head, Countersunk Head - **Head Styles:** Round, Hexagonal, Countersunk Bolt, Square - **Packaging:** 25*16*25cm Carton Box, Then Polywood Box Packed - **Origin:** Jiangsu, China --- **Table of Technical Specifications:** | **Standard** | DIN7504K, DIN7504P, DIN7504N, DIN7504L, DIN7504Q, ISO, ASME/ASTM/ANSI, JIS, BS, UNI, SPECIAL | |--------------|------------------------------------------------------------------------------------------| | **Material** | SS201, SS202, SS301, SS303, SS304, SS304L, SS316, SS316L, SS317L, SS321, SS410, SS420, SS347, SS347H, SS310, SS2520 | | **Grade** | A2-50, A2-60, A2-70, A4-60, A4-70, A4-80, Gr 8, Gr8M | | **Size** | Diameter: 3.5~6.3mm, UNC: 6#~1/4'' | | **Packaging**| Bulk packing in cartons, then on pallets, or as per customer request | | **Customer Design** | Experienced engineers can develop and manufacture products based on samples, drawings, or ideas | | **Price Terms** | FOB, CIF, CFR, EXW, and others | | **Delivery Time** | Usually 20–30 days after order confirmation | | **MOQ** | 3000 pieces or as per your requirements | | **Packing** | Bulk or small boxes packed in cartons, then on pallets, or as per your request | | **Production Capacity** | 100 tons per month | | **Payment Terms** | T/T, L/C, Western Union, PayPal, etc. | | **Delivery Method** | By sea, air, or express service | --- **Chemical Components:** [Image: DIN7504k Hex Wafer Head with EPDM Bonded Washer Drilling Screw] **Our Services:** **Purchase Guide:** [Image: DIN7504k Hex Wafer Head with EPDM Bonded Washer Drilling Screw] **Advantages:** 1. **Wide Range of Products:** We can supply any type of stainless steel hardware. 2. **Excellent Service:** We are committed to honest and sincere client relationships. 3. **High Quality:** Our strict quality control ensures top-quality products. 4. **OEM Accepted:** We can produce according to your drawings or samples. 5. **Fast Delivery:** Stock items available within 3 days; production items within 7–15 days. 6. **Low MOQ:** Flexible orders to suit your business needs. **Sample Charge:** - **Custom Sample:** According to your request, sample time: 5–7 days. - **Existing Mold Sample:** Free, sample time: 3 days. **Inspection Equipment:** [Image: Inspection Equipment] **Certified Custom Clearance Documents:** [Image: Certified Custom Clearance Docs] **Packing Information:** - **Carton Size:** 25*16*25 cm - **Wooden Pallet/Case Size:** 110*90*80 cm - **Custom Packaging:** Color-printed boxes and cartons available upon request. [Image: Packing Information] **Company Information:** Hand Industrial Co., Ltd. was established in 2010 and is a professional manufacturer and supplier of stainless steel hardware. Our products include stainless steel bolts, threaded studs, machine screws, tapping screws, and self-drilling screws in various materials such as SS304, SS316, SS316L, and SS410. We offer standard products according to DIN, ANSI, BS, ISO, JIS, and also provide OEM services. Our products are widely used in Europe, Australia, North America, the Middle East, Southeast Asia, and some African countries. **Exhibition Show & Customer Visit Photos:** [Image: Exhibition Show & Customer Visit Photo] **Contact Information:** - **LU PENG** – Sales & Marketing Manager - **Website:** www.handindustrial.com.cn - **Made-in-China Profile:** Handegy.en.made-in-china.com We can supply different sizes of super alloy steel hex bolts, hex socket bolts, threaded studs, hex nuts, and plain washers. We can also supply various sizes of stainless steel hex bolts, hex socket bolts, threaded nuts, hex nuts, and plain washers.

Seal Ring

A seal ring is a crucial component used in various mechanical systems to prevent the leakage of fluids or gases. It is designed to fit snugly between two mating surfaces, creating a barrier that restricts the flow of the substance being sealed.
There are different types of seal rings, each with its own characteristics and applications. One type is the single seal. A single seal ring provides a basic level of sealing and is often used in less demanding applications where the pressure and temperature conditions are relatively moderate. It consists of a single ring that forms a seal between the rotating and stationary parts of a system.
Component seals are another type. These are seals that are made up of multiple individual components. Each component plays a specific role in the sealing process. Component seals can offer more flexibility in design and can be customized to fit specific requirements. They are often used in applications where a combination of different sealing functions is needed.
The double seal is another option. As the name suggests, it consists of two seal rings arranged in series. The double seal provides enhanced sealing performance compared to a single seal. It can handle higher pressures and is more reliable in preventing leakage. It is commonly used in applications where a higher level of safety and sealing integrity is required.
Double Mechanical Seal is a specific type of double seal that uses mechanical means to maintain the seal. It typically consists of two sets of stationary and rotating seal faces. The double mechanical seal offers excellent sealing performance even under harsh operating conditions. It is often used in critical applications such as in pumps handling corrosive or hazardous fluids.
In conclusion, seal rings are essential for maintaining the integrity of mechanical systems by preventing leakage. The choice of seal ring type, whether it is a single seal, component seals, double seal, or double mechanical seal, depends on the specific requirements of the application, including factors such as pressure, temperature, fluid type, and the level of sealing reliability needed.

Single Seal,Component Seals,Double Seal,Double Mechanical Seal

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