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**Product Specifications**
- **Model No.:** M3-M30
- **Type:** Round Head
- **Head Style:** Round
- **Grade:** 6.8
- **Head Type:** Hexagon, Round, Square, Countersunk, Pan, Mushroom
- **Class/Grade:** 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
- **Surface Finishing:** Hot Galvanizing, Black, Color-Zinc, Blue-White Zinc
- **Specification:** M2-M64
- **HS Code:** 73181600
**Material & Standards**
- **Material:** Carbon Steel
- **Connection:** Common Bolt
- **Standard:** DIN, ANSI, GB, JIS, GOST, BSW
- **Available Material:** Carbon Steel, High Strength Steel, Stainless Steel
- **International Standard:** DIN, ANSI, GB, JIS, BSW, GOST
- **Application:** Machinery, Chemical Industry, Environmental, Construction
- **Brand:** HN
- **Origin:** China
**Carbon Steel Plain Round Self-Locking Nuts**
We provide a wide range of nuts made from low carbon steel (mild steel), medium carbon steel, alloy steel, stainless steel, brass, aluminum alloys, and more. To meet different needs for corrosion resistance or strength, our nuts can be further treated with processes such as heat treatment, black oxide, zinc coating, hot-dip galvanizing, black zinc, brass plating, nickel and chrome plating, dacomate, and more. Please specify your requirements when you inquire.
**Product Table**
| Product Name | Hex Head Nut with Washer |
|--------------|--------------------------|
| Standard | DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB |
| Material | Stainless Steel: SS201, SS303, SS304, SS316, SS316L, SS904L, F594; Steel Grade: DIN Gr. 4, 5, 6, 8.8, 10; SAE Gr. 2, 5, 8; ASTM A563 |
| Finishing | Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodization, Nickel Plated, Zinc-Nickel Plated |
| Production Process | M2-M24: Cold Forging; M24-M100: Hot Forging; Machining and CNC for Customized Fasteners |
| Lead Time | Busy Season: 15–30 Days; Slack Season: 10–15 Days |
| Stock Products | Carbon Steel: DIN934, DIN6923, DIN928, DIN929, ISO4032, Cage Nut, Cap Nut; Stainless Steel: All DIN or GB Standard Stainless Steel Nuts |
**Our Services**
As a professional manufacturer, we design and produce all fasteners according to customer specifications and performance requirements. Our quality is guaranteed through rigorous testing and advanced technical design to ensure long-lasting performance.
We offer cost-effective solutions with competitive pricing due to direct factory supply. With over 20 years of experience, we provide comprehensive fastening solutions and customized services based on samples or drawings.
If you are unsure about what you need, feel free to contact us anytime for expert assistance. We're here to help you find the right fastener for your project.
KL-G Series
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SHAOXING KUNLUN IMP AND EXP CO.,LTD , https://www.shaoxingkunlun.com