Carbon Steel A2-70 Grade Rounded Head Knurled Nut with Enhanced Torque Retention for Industrial Machinery

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS
• Grade: 8.8
• Customized: Yes
• Drive: Hand Twist
• After-Sales Service: Warranty
• Warranty Period: Three Years
• Authentication: ISO9001
• Surface Treatment: Galvanize
• Transport Package: General Export Package/Require to Customer
• Specification: M10
• Trademark: CC
• Origin: China
• HS Code: 7318150000
• Production Capacity: 800 Tons/Month

Product Description

Product Parameters

Specification	Description	Details
Type	Knurled Nut	A nut with a textured surface for better grip.
Shape	Hexagonal, Square, etc.	The overall shape of the nut.
Material	Stainless Steel, Carbon Steel, Brass, etc.	Affects strength, corrosion resistance, and cost.
Grade	Different grades indicating strength.	Such as 4.8, 8.8 for steel nuts.
Thread Size	Metric (M6, M8, etc.), Imperial.	Determines the compatible bolt size.
Height	The thickness of the nut.	Varies depending on application.
Width Across Flats	For hexagonal nuts, the distance across opposite flats.	Helps in sizing wrenches.
Knurling Pattern	Various patterns for grip.	May be diamond-shaped, straight lines, etc.
Corrosion Resistance	Varies by material and surface treatment.	Resistance to rust and environmental factors.
Finish	Zinc Plated, Nickel Plated, Black Oxide.	Enhances appearance and protection.
Application	Machinery, Automotive, Construction.	Areas where the nut is commonly used.
Load Capacity	Based on material, size, and grade.	The maximum load the nut can handle.
Compatibility	With specific bolts and washers.	Ensures proper fit and function.
Customizability	Available in custom sizes and materials.	Tailored to specific customer needs.
Standards	Complies with relevant industry standards.	Ensures quality and consistency.

Detailed Photos

 

Certifications

Packaging & Shipping

Company Profile

       Xiamen Changchun lmport & Export Co., Ltd, is located in guankou Town, Jimei District, Xiamen City, which is one of the world's leading fastener production and export bases in China Our company specializes in producing all kinds of high-strength fasteners, with monthly production capacity of 800 tons, with annual sales of more than 10 million yuan.
      We mainly provide construction fasteners which includes high quality bolt, nut, screw and non-standard fastener in accordance with GB, DlN,ISO,ANSI/ASTM / SAE /IFI, AS, BS, UNI, JIS Which are mainly applied to architectural steel structures, bridges, oil pipeline, machinery equipment, furniture, vessel, railway, and exported to Europe, Australia, North America, Middle East, Africa and Southeast Asia etc.
      Now the company has been certificated by
IS09001(Moody International), ls09001(CQc).The company operates each link form raw materials procession to the production process in strict accordance with the procedures and boasts good quality inspectors and perfect testing equipment. Which take effective control on the production process to ensure product quality.

   product recommendation
   

  
   factory

    

Our Advantages

 Transportation advantage

Transportation Method	Destination Regions	Estimated Timeframe	Packaging Options
Via Ocean shipping	North America	About 40 working days	Boxes, cartons or plastic bags, or as per customer needs.
	South America	About 40 working days
	Eastern Europe	30-40 working days
	Southeast Asia	20-30 working days
	Africa	35-45 working days
	India, Pakistan	About 40 working days
	Korea, Japan	About 40 working days
Air transport	Other places	Around 1-3 business days	Boxes, cartons or plastic bags, or as per customer needs.

Dominant service
· 1. Well trained and experienced staffs at your service. 
· 2. Short lead time. 
· 3. International standard matched
· 4. Non-standard / standard / OEM / ODM / customized service provided. 
· 5. Small Quantity available. 
· 6. Designed in accordance with customers' request. 
· 7. Packed and delivered by customers' requirement.

Any more questions or demands, pls feel free to contact me!
 

FAQ

1) Q:What's your product range?
A:  Our product range includes screws, nuts, knobs, bolts, washers, rivet, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.

2)Q:Are you a Trading company or a Manufacturer?
A: We are an Industry&Trade Company .

3) Q:Why should I choose you? What's your advantages? Industries you are serving?
A: We are a professional manufacturer and have 9 years production and management experience in the field of fasteners .
We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.
 
4) Q:Which industry field are your product is suitable used in ?
A:Our products are  widely use in machine assembling, electronics, constructional engineering furniture cabinets, etc.