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Traceable quality
8.8-grade External Hexagon Black High-strength Extended Bolts M3M20 Full Thread Medium Carbon Steel M1822mm
Stainless steel
Stainless steel
8.8
M3
From
US$0.01
/ piece
Tier prices are for reference. Final price depends on specification, quantity and destination.
Retail orders: from 10 pcs per item
Wholesale MOQ: 500 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 500-4999 piece | US$0.04 |
| 5000-9999 piece | US$0.03 |
| 10000-29999 piece | US$0.02 |
| ≥ 30000 piece | US$0.01 |
Specifications
| Material | Stainless steel |
|---|---|
| Surface | Stainless steel |
| Property class | 8.8 |
| Thread | M3 |
| Size range | M3 |
| Length range | 1822mm |
| Compatible screw size | M6, M8, M10, M4, M5, M12, M3, M16, M20, M14, M18, M24, M30, M22, M27, M33, M42, M48, M39, M60, M64, M56 |
| Material | 钢 |
| Surface treatment | Plain |
| Application | 工业通用 |
| Type | Flat Washers |
| Place of origin | Hebei, China |
| Product name | flat washer |
| Material | Stainlesss Steel Carbon Steel |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 57X53X58 厘米 |
| 单个产品毛重 | 50.0 公斤 |
Description
8.8-grade External Hexagon Black High-strength Extended Bolts M3M20 Full Thread Medium Carbon Steel M1822mm
Material: Stainless steel
Surface: Stainless steel
Compatible screw size: M6, M8, M10, M4, M5, M12, M3, M16, M20, M14, M18, M24, M30, M22, M27, M33, M42, M48, M39, M60, M64, M56
Application: 工业通用
Type: Flat Washers
Place of origin: Hebei, China
Product name: flat washer
Buying guides
2026-11-07
Stainless fastener grades: 304 vs 316
Corrosion resistance, strength and cost, plus selection advice for outdoor and marine environments.
Read article → 2026-11-07How to choose bolt property class: 8.8, 10.9 and 12.9
Load, preload and cost: when to specify 8.8, 10.9 or 12.9 bolts.
Read article →