Continue to order
Traceable quality
Metric Inner Hexagon Semi-Round Head Screws Bolts M2-M3-M4-M5-M6-M8-M10-M12 Level 6.8 Black Oxide Carbon Steel Plain
Model: GB5789
GB5789
Carbon steel
Zinc plated
6.8
M2-M3
From
US$0.06
/ piece
Tier prices are for reference. Final price depends on specification, quantity and destination.
Retail orders: from 10 pcs per item
Wholesale MOQ: 100 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 100-499 piece | US$0.1 |
| 500-999 piece | US$0.08 |
| 1000-4999 piece | US$0.07 |
| ≥ 5000 piece | US$0.06 |
Specifications
| Model | GB5789 |
|---|---|
| Standard | GB5789 |
| Material | Carbon steel |
| Surface | Zinc plated |
| Property class | 6.8 |
| Thread | M2-M3 |
| Size range | M2-M3 |
| Material | None |
| Grade | 8.8 |
| 螺纹类型 | None |
| 头部类型 | External hexagonal flange |
| Surface treatment | Galvanized |
| 每个螺栓的螺母 | None |
| Place of origin | Other |
| Model | GB5789 |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 10X10X10 厘米 |
| 单个产品毛重 | 50.0 公斤 |
Description
Metric Inner Hexagon Semi-Round Head Screws Bolts M2-M3-M4-M5-M6-M8-M10-M12 Level 6.8 Black Oxide Carbon Steel Plain
Standard: GB5789
Material: Carbon steel
Surface: Zinc plated
Grade: 8.8
螺纹类型: None
头部类型: External hexagonal flange
每个螺栓的螺母: None
Place of origin: Other
Model: GB5789
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 →