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High-Strength External Hexagon Bolt Set M4M5M6M8-M27 8.8 Grade Complete with Machine Screws & Extension M3 Thread
GB818
Stainless steel 304
Stainless steel
8.8
M4
From
US$0.04
/ piece
Tier prices are for reference. Final price depends on specification, quantity and destination.
Retail orders: from 10 pcs per item
Wholesale MOQ: 1000 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 1000-4999 piece | US$0.07 |
| 5000-7999 piece | US$0.06 |
| 8000-9999 piece | US$0.05 |
| ≥ 10000 piece | US$0.04 |
Specifications
| Standard | GB818 |
|---|---|
| Material | Stainless steel 304 |
| Surface | Stainless steel |
| Property class | 8.8 |
| Thread | M4 |
| Size range | M4 |
| 测量系统 | Metric |
| Material | 304Stainless steel |
| Grade | 304 |
| 螺纹类型 | metric |
| 螺丝头类型 | 平底锅 |
| Surface treatment | Plain |
| Place of origin | China |
| Material | 304 Stainless Steel |
| 销售单位 | 单个商品 |
Description
High-Strength External Hexagon Bolt Set M4M5M6M8-M27 8.8 Grade Complete with Machine Screws & Extension M3 Thread
Standard: GB818
Material: Stainless steel 304
Surface: Stainless steel
测量系统: Metric
Grade: 304
螺纹类型: metric
螺丝头类型: 平底锅
Place of origin: China
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 →