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Color Zinc Plated Carbon Steel External Hexagon Screws and Bolts Grade 48 GB30
GB30
Carbon steel
Zinc plated
12.9
M6
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: 10 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 10-99 piece | US$0.18 |
| 100-499 piece | US$0.15 |
| 500-999 piece | US$0.12 |
| ≥ 1000 piece | US$0.08 |
Specifications
| Standard | GB30 |
|---|---|
| Material | Carbon steel |
| Surface | Zinc plated |
| Property class | 12.9 |
| Thread | M6 |
| Size range | M6 |
| Material | Carbon steel |
| Grade | class10.9 & 12.9 |
| 螺纹类型 | UNC |
| 头部类型 | Hex法兰盘头 |
| Surface treatment | 达克罗 |
| 每个螺栓的螺母 | 1 |
| Place of origin | Hebei, China |
| Brand | Junchuang |
| Product name | Hex Flange Bolt |
| Material | Carton Steel |
| Color | Sliver |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 57X59X53 厘米 |
| 单个产品毛重 | 55.0 公斤 |
Description
Color Zinc Plated Carbon Steel External Hexagon Screws and Bolts Grade 48 GB30
Standard: GB30
Material: Carbon steel
Surface: Zinc plated
Grade: class10.9 & 12.9
螺纹类型: UNC
头部类型: Hex法兰盘头
每个螺栓的螺母: 1
Place of origin: Hebei, China
Brand: Junchuang
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 →