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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›The Din6798J Internal Serrated Lock Washers are self‑locking washers designed to prevent loosening under vibration. They are supplied in sizes ranging from M1.6 to M30 as listed in the supplier data. The washers are offered in carbon steel and stainless steel, complying with ISO and TUV certifications documented by the supplier. Surface treatments include Dacromet coating, zinc plating and black finishing, each selectable per order.
Carbon steel variants typically provide a hardness of 45‑55 HRC, while stainless steel options commonly achieve a tensile strength around 600 MPa, reflecting standard industry grades. The internal serrated design gives a higher shear resistance compared with plain lock washers, a characteristic valued in mechanical assemblies. Dimensional tolerance for the washer outer diameter is generally ±0.1 mm, which aligns with typical machining tolerances for this class of hardware. The product can be supplied in standard carton boxes or customised packaging according to client drawings.
The supplier can produce up to five million pieces per month and accepts orders from a minimum of 1 000 pieces. Lead time for stocked sizes is quoted as three to twenty working days, and free samples of standard sizes are available within seven days. Trade terms include L/C, T/T, D/P and other common payment methods, with shipment from the Shanghai port under the buyer’s chosen Incoterm.
| Certification | ISO, TUV (supplier provided) |
| Material Options | Carbon Steel, Stainless Steel (real) |
| Size Range | M1.6 - M30 (real) |
| Surface Treatments | Dacromet, Plated Zinc, Black Finishing (real) |
| Production Capacity | 5,000,000 pcs/month (real) |
| Minimum Order Quantity | 1,000 pcs (real) |
| Typical Hardness (Carbon Steel) | 45‑55 HRC (typical) |
| Typical Tensile Strength (Stainless Steel) | 600 MPa (typical) |
| Typical Dimensional Tolerance | ±0.1 mm (typical) |
Suzhou Ruibo Machinery And Electronics Co., Ltd. is based at No.368 Heshan Road, Suzhou, Jiangsu 215000, China. The company holds a harbour‑level trust tier on the platform and currently shows a zero response rate, indicating no recent replies recorded. Their profile lists ISO and TUV certifications and a production capability of five million lock washers per month.
The listing states that the company can provide OEM and ODM designs, offers a range of surface treatments and accepts various payment methods. No further corporate history, employee numbers or client references are disclosed in the source data.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Before placing an order, confirm the material grade, surface treatment and any required certifications such as ISO or TUV. Request the material test certificate and, if applicable, a coating thickness report to ensure compliance with your engineering specifications. Verify that the MOQ of 1,000 pieces aligns with your demand or negotiate a sample batch.
The shipment will originate from Shanghai port, so discuss the preferred Incoterm - FOB, CIF or others - directly with the supplier. Lead times of three to twenty working days apply to stocked sizes; for customised dimensions, obtain a detailed production schedule. Payment can be made via L/C, T/T, D/P or other listed methods, but ensure the terms are clearly documented in the contract.
Arrange an independent third‑party inspection before loading, focusing on dimensional tolerance (±0.1 mm) and coating integrity. Request the supplier’s MTC report and, if needed, a post‑production hardness test for carbon steel washers. Retain all inspection certificates and shipping documents for customs clearance and future reference.
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When importing Din6798j Internal Serrate from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
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