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Traceable quality
High Strength 8.8 10.9 12.9 Grade Zinc Black Oxide Steel Bolts DIN931/DIN933 Standard Hex Bolt M4 M8 M10 M12 Sizes
Model: M3-M6
DIN931 / DIN933 / DIN975
Zinc plated
8.8
M4
From
US$0.08
/ 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 |
|---|---|
| 1000-9999 piece | US$0.1 |
| 10000-999999 piece | US$0.09 |
| ≥ 1000000 piece | US$0.08 |
Specifications
| Model | M3-M6 |
|---|---|
| Standard | DIN931 / DIN933 / DIN975 |
| Surface | Zinc plated |
| Property class | 8.8 |
| Thread | M4 |
| Size range | M4 |
| Length range | 10-100mm |
| Material | 钢 |
| Grade | 4类 |
| 螺纹类型 | Metric |
| 头部类型 | 圆形 |
| Surface treatment | Plain |
| 每个螺栓的螺母 | 0 |
| Place of origin | Hebei, China |
| Brand | JunChuang Fastener |
| Model | M3-M6 |
| Surface treatment | copper plating |
| Application | General Industry |
| Length | 10-100mm |
| Keyword | DIN975 976 |
| Size | M2-M100 |
| Material | Steel |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 100X5X5 厘米 |
| 单个产品毛重 | 20.0 公斤 |
Description
High Strength 8.8 10.9 12.9 Grade Zinc Black Oxide Steel Bolts DIN931/DIN933 Standard Hex Bolt M4 M8 M10 M12 Sizes
Standard: DIN931 / DIN933 / DIN975
Surface: Zinc plated
Grade: 4类
螺纹类型: Metric
头部类型: 圆形
每个螺栓的螺母: 0
Place of origin: Hebei, China
Brand: JunChuang Fastener
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 →