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
説明
| Product Name | Knurled Socket Head Bolt |
| 材料 | 炭素鋼 |
| サイズ | M4-M20 |
| 学年 | Class 12.9 |
| 最小注文数量 | 1000 PCS |
| 標準 | DIN912 |
| Delivery time | 20-30 Days |
| ヘッドタイプ | Knurled Socket Head |
| Surface Treatment | Black Oxide, Plain |
| 応用 | Machinery, mold, auto motor, automation, new energy equipment |
| 注記 | If you need to purchase or require further information, Please feel free to contact us via email お問い合わせ |
