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Black Zinc Carbon Steel Plain Conical Washers (GB/T 850) / Concave-Convex Washers 664 for Heavy Industry
Stainless steel 304
Zinc plated
M6
From
US$1.30
/ piece
Tier prices are for reference. Final price depends on specification, quantity and destination.
Retail orders: from 10 pcs per item
Wholesale MOQ: 50 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 50-99 piece | US$2.00 |
| 100-499 piece | US$1.80 |
| 500-999 piece | US$1.60 |
| ≥ 1000 piece | US$1.30 |
Specifications
| Material | Stainless steel 304 |
|---|---|
| Surface | Zinc plated |
| Thread | M6 |
| Size range | M6 |
| Compatible screw size | M6, M8, M10, M5 |
| Material | Stainless steel |
| Surface treatment | 白锌 |
| Application | Heavy industry |
| Type | Other |
| Place of origin | China |
| Material | 304 Stainless Steel |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 35X33X32 厘米 |
| 单个产品毛重 | 50.0 公斤 |
Description
Black Zinc Carbon Steel Plain Conical Washers (GB/T 850) / Concave-Convex Washers 664 for Heavy Industry
Material: Stainless steel 304
Surface: Zinc plated
Compatible screw size: M6, M8, M10, M5
Application: Heavy industry
Type: Other
Place of origin: China
销售单位: 单个商品
Buying guides
2026-11-07
Stainless fastener grades: 304 vs 316
Corrosion resistance, strength and cost, plus selection advice for outdoor and marine environments.
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Load, preload and cost: when to specify 8.8, 10.9 or 12.9 bolts.
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