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Traceable quality
12.9 Bolts 12.9 Grade Black Plated Hex Head High Strength Steel Bolt Lengthened Screw M3-M72
Stainless steel
Stainless steel
12.9
M3-M72
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$0.1 |
| 500-2999 piece | US$0.07 |
| 3000-9999 piece | US$0.05 |
| ≥ 10000 piece | US$0.03 |
Specifications
| Material | Stainless steel |
|---|---|
| Surface | Stainless steel |
| Property class | 12.9 |
| Thread | M3-M72 |
| Size range | M3-M72 |
| Material | Stainless steel |
| Grade | 工业 |
| 螺纹类型 | 公制 |
| 头部类型 | 十六进制 |
| Surface treatment | 锌 |
| 每个螺栓的螺母 | 0 |
| Place of origin | Hebei, China |
| Brand | JunChuang |
| 产品名称 | Hex头螺栓 |
| 颜色 | 银色 |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 57X56X53 厘米 |
| 单个产品毛重 | 55.0 公斤 |
Description
12.9 Bolts 12.9 Grade Black Plated Hex Head High Strength Steel Bolt Lengthened Screw M3-M72
Material: Stainless steel
Surface: Stainless steel
Grade: 工业
螺纹类型: 公制
头部类型: 十六进制
每个螺栓的螺母: 0
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 →