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Traceable quality
12.9-grade Alloy Steel Countersunk Hex Socket Screws High-strength Bolts; M3 M4 M5 M6 M8 M10 M12 M16 M20
Stainless steel 304
Zinc plated
12.9
M3
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: 100 piece
Tier pricing
| Quantity | Unit price |
|---|---|
| 100-499 piece | US$0.06 |
| 500-2999 piece | US$0.05 |
| 3000-9999 piece | US$0.04 |
| ≥ 10000 piece | US$0.03 |
Specifications
| Material | Stainless steel 304 |
|---|---|
| Surface | Zinc plated |
| Property class | 12.9 |
| Thread | M3 |
| Size range | M3 |
| Length range | 10-100mm |
| 测量系统 | 炊大皇(英寸) |
| Grade | A2-70 |
| 螺纹旋向 | Left Hand |
| Surface treatment | Plain |
| Application | Heavy industry |
| 驱动系统 | Hex |
| 车身形式 | Hex |
| 整体长度 | 10-100mm |
| 头部类型 | Hex |
| Place of origin | Hebei, China |
| Brand | JunChuang |
| 螺母类型 | Hex Nuts |
| Application | Heavy Industry |
| Product name | Hex Nut |
| Delivery time | 5-15 Days |
| 销售单位 | 单个商品 |
| 单个包装尺寸 | 53X54X57 厘米 |
| 单个产品毛重 | 58.0 公斤 |
Description
12.9-grade Alloy Steel Countersunk Hex Socket Screws High-strength Bolts; M3 M4 M5 M6 M8 M10 M12 M16 M20
Material: Stainless steel 304
Surface: Zinc plated
测量系统: 炊大皇(英寸)
Grade: A2-70
螺纹旋向: Left Hand
Application: Heavy industry
驱动系统: Hex
车身形式: Hex
整体长度: 10-100mm
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 →