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Traceable quality
12.9 Grade High-strength Carbon Steel Hex Head Cap Screws Black Oxide Finish M2-M3-M4-M5-M6-M8-M10-M12-M20 JunChuang Fastener
Stainless steel 304
Black oxide
12.9
M2-M3
From
US$0.01
/ 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$0.05 |
| 100-999 piece | US$0.04 |
| 1000-9999 piece | US$0.02 |
| ≥ 10000 piece | US$0.01 |
Specifications
| Material | Stainless steel 304 |
|---|---|
| Surface | Black oxide |
| Property class | 12.9 |
| Thread | M2-M3 |
| Size range | M2-M3 |
| Length range | 6.0mm |
| 测量系统 | Metric, 炊大皇(英寸), Other |
| Grade | 4.8级和6.8 |
| 螺纹旋向 | 右旋 |
| Surface treatment | Other |
| 插入直径 | 6.0mm |
| Application | Heavy industry |
| 内孔径 | m10, 5mm, 8毫米, 6mm |
| 车身形式 | Hex |
| Place of origin | China |
| Material | Stainless Steel 304 |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 34X32X36 厘米 |
| 单个产品毛重 | 50.0 公斤 |
Description
12.9 Grade High-strength Carbon Steel Hex Head Cap Screws Black Oxide Finish M2-M3-M4-M5-M6-M8-M10-M12-M20 JunChuang Fastener
Material: Stainless steel 304
Surface: Black oxide
测量系统: Metric, 炊大皇(英寸), Other
Grade: 4.8级和6.8
螺纹旋向: 右旋
插入直径: 6.0mm
Application: Heavy industry
内孔径: m10, 5mm, 8毫米, 6mm
车身形式: Hex
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 →