Continue to order
Traceable quality
12.9 Grade Hexagon Socket Bolt Carbon Steel Hexagon Socket Head Screw High Strength Cup Head Cylinder Head Bolt M3-M12
Carbon steel
12.9
M3-M12
From
US$0.03
/ piece
Tier prices are for reference. Final price depends on specification, quantity and destination.
Retail orders: from 10 pcs per item
Wholesale MOQ: 10 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 10-499 piece | US$0.08 |
| 500-999 piece | US$0.06 |
| 1000-2999 piece | US$0.05 |
| ≥ 3000 piece | US$0.03 |
Specifications
| Material | Carbon steel |
|---|---|
| Property class | 12.9 |
| Thread | M3-M12 |
| Size range | M3-M12 |
| Material | Carbon steel |
| Grade | class10.9 & 12.9 |
| 螺纹类型 | 联合国基金会 |
| 头部类型 | 内Hex头 |
| Surface treatment | 黑氧化物 |
| 每个螺栓的螺母 | 0 |
| Place of origin | Hebei, China |
| Brand | JUN CHUANG |
| Product name | Hexagon Socket Head Bolt |
| Grade | 4.8/ 8.8/ 10.9/ 12.9 Ect |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 53X54X57 厘米 |
| 单个产品毛重 | 52.0 公斤 |
Description
12.9 Grade Hexagon Socket Bolt Carbon Steel Hexagon Socket Head Screw High Strength Cup Head Cylinder Head Bolt M3-M12
Material: Carbon steel
Grade: class10.9 & 12.9
螺纹类型: 联合国基金会
头部类型: 内Hex头
每个螺栓的螺母: 0
Place of origin: Hebei, China
Brand: JUN CHUANG
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 →