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12.9 Grade Hexagon Socket Bolts High Strength Galvanized Bolt SS Bolts Stainless Steel Bolt and Nut Manufacturer Black Oxide
Stainless steel 304
Black oxide
12.9
M4
From
US$0.11
/ 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$0.13 |
| 10000-99999 piece | US$0.12 |
| ≥ 100000 piece | US$0.11 |
Specifications
| Material | Stainless steel 304 |
|---|---|
| Surface | Black oxide |
| Property class | 12.9 |
| Thread | M4 |
| Size range | M4 |
| 测量系统 | Metric |
| Material | Stainless steel |
| Grade | 4类 |
| 螺纹类型 | 标准螺纹 |
| 螺丝头类型 | 圆形 |
| Surface treatment | Plain |
| Place of origin | China |
| Standard | GB |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 3X2X32 厘米 |
| 单个产品毛重 | 50.0 公斤 |
Description
12.9 Grade Hexagon Socket Bolts High Strength Galvanized Bolt SS Bolts Stainless Steel Bolt and Nut Manufacturer Black Oxide
Material: Stainless steel 304
Surface: Black oxide
测量系统: Metric
Grade: 4类
螺纹类型: 标准螺纹
螺丝头类型: 圆形
Place of origin: China
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 →