Black 12.9 Grade Knurled Socket Head Bolt Hex Drive Threaded Fastener
RL Fasteners' DIN912 black 12.9 grade carbon steel knurled socket head bolts are designed for machinery, mold, auto motor, automation, and new energy equipment fastening applications. Available in M4-M20 sizes with knurled socket head design and black oxide or plain surface treatment, they support high-strength, stable, and reliable threaded fastening performance.
- Standard: DIN912
- Size: M4-M20
- Material: Carbon Steel
- Grade: Class 12.9
- Surface Treatment: Black Oxide / Plain
描述
| Product Name | Knurled Socket Head Bolt |
| 材料 | 碳钢 |
| 尺寸 | M4-M20 |
| 年级 | Class 12.9 |
| 最小起订量 | 1000 PCS |
| 标准 | DIN912 |
| Delivery time | 20-30 Days |
| 头型 | Knurled Socket Head |
| Surface Treatment | Black Oxide, Plain |
| 应用 | Machinery, mold, auto motor, automation, new energy equipment |
| 笔记 | If you need to purchase or require further information, Please feel free to contact us via email 邮箱：[email protected] |
