G-291 Ceramic Coated Bolt for Solar Panel Mounting (ISO 898-1)

• Customization: Available
• Material: Customizable
• Type: Customizable
• Model NO.: G291
• Connection: According to Customer
• Head Style: According to Customer
• Standard: According to Customer
• Grade: Customizable
• Application: According to Customer
• Finish: Customizable
• OEM Service: Available
• Delivery Time: 30-45days After Order Confirmation
• Export Markets: Global
• Design Team: 3-5 Members
• Quality: 100% Inspection
• Surface Treatment: Electric, Hot-DIP Galvanizing, Polishing, Oiling
• Country of Origin: Chinese Mainland
• Technology: Casting, Forging, Assembly Line Processing
• Application Scenario: Can Be Used in Daily Industry or Heavy Industry
• Transport Package: According to Customer Needs
• Specification: According to customer Needs
• Trademark: xqx
• Origin: China
• HS Code: 7326909000
• Production Capacity: 5000000
• Package Size: 36.00cm * 24.00cm * 12.00cm
• Package Gross Weight: 20.000kg

Product Description

Product Description

 

1. Premium Material Selection:

   • Carbon Steel: Grade 4.8 to 12.9 bolts with high tensile strength (up to 1,200 MPa) for heavy-duty applications.

   • Stainless Steel: AISI 304/316 options for exceptional corrosion resistance in marine and chemical environments.

   • Alloy Steel: Heat-treated bolts (e.g., Grade 8.8, 10.9) for extreme load-bearing capacity and fatigue resistance.

   • Precision Engineering:

     • Threads machined to ISO metric or Unified (UNC/UNF) specifications, ensuring seamless compatibility with global systems.

     • Strict dimensional tolerances (±0.02 mm) for secure fitting and vibration resistance.

 

1. Versatile Product Range:

   • Bolts: Hex head, flange, carriage, double-end, and anchor bolts.

   • Nuts: Hex nuts, lock nuts (nylon insert, all-metal), wing nuts, and cap nuts.

   • Specialty Fasteners: Custom lengths, thread pitches, and head designs available upon request.

   • Safety & Compliance:

     • Certified to CE, RoHS, and REACH standards, ensuring environmental and safety compliance.

     • Load Testing: Each batch undergoes tensile strength, torque, and hardness testing (e.g., Rockwell scale).

 

 

Product Parameters

 

Shank	Working	Weight	Dimensions (in)
Dia &	Load	Per
Length	Limit	100
(in)	(lbs)	(1bs)	A	B	C	D
1/4x2	500	8.20	0.25	0.50	1.50	3.06
1/4x4	500	11.70	0.25	0.50	2.50	5.06
5/16x21/4	800	13.30	0.31	0.62	1.50	3.56
5/16x41/4	800	25.00	0.31	0.62	2.50	5.56
3/8x21/2	1200	23.30	0.38	0.75	1.50	4.12
3/8x41/2	1200	29.50	0.38	0.75	2.50	6.12
3/8x6	1200	35.20	0.38	0.75	2.50	7.62
1/2x31/4	2200	50.30	0.50	1.00	1.50	5.38
1/2x6	2200	66.10	0.50	1.00	3.00	8.12
1/2x8	2200	82.00	0.50	1.00	3.00	10.12
1/2x10	2200	88.00	0.50	1.00	3.00	12.12
1/2x12	2200	114.20	0.50	1.00	3.00	14.12
1/2x15	2200	116.85	0.50	1.00	4.00	17.12
5/8x4	3500	103.10	0.62	1.25	2.00	6.69
5/8x6	3500	118.20	0.62	1.25	3.00	8.69
5/8x8	3500	135.10	0.62	1.25	3.00	10.69
5/8x10	3500	153.60	0.62	1.25	3.00	12.69
5/8x12	3500	167.10	0.62	1.25	4.00	14.69
5/8x15	3500	201.16	0.62	1.25	5.00	17.69
5/8x24	3500	279.10	0.62	1.25	6.00	26.69
3/4x41/2	5200	168.60	0.75	1.50	2.00	7.69
3/4x6	5200	184.50	0.75	1.50	3.00	9.19
3/4x8	5200	207.90	0.75	1.50	3.00	11.19
3/4x10	5200	235.00	0.75	1.50	3.00	13.19
3/4x12	5200	257.50	0.75	1.50	4.00	15.19
3/4x15	5200	298.00	0.75	1.50	5.00	18.19
7/8x5	7200	270.00	0.88	1.75	2.50	8.75
7/8x8	7200	308.00	0.88	1.75	4.00	11.75
7/8x12	7200	400.00	0.88	1.75	4.00	15.75
1x6	10000	421.00	1.00	2.00	3.00	10.31
1x9	10000	468.50	1.00	2.00	4.00	13.31
1x12	10000	540.00	1.00	2.00	4.00	16.31
1x18	10000	650.00	1.00	2.00	7.00	22.31
11/4x8	15200	750.00	1.25	2.50	4.00	13.38
11/4x12	15200	900.00	1.25	2.50	4.00	17.38
11/4x20	15200	1210.00	1.25	2.50	6.00	25.38

Certifications

Customer feedback

Company Profile

Qingdao Xinquanxi Metal Products Co..Ltd. was established in 2001 (formerly known as Qingdao Quanxi Hardware Cable Co., LTD.), located in Jimo District, Qingdao city, the company was mainly engaged in the production and sales of Japanese open-body turnbuckle, die forging shackles, products are mainly sold to the United States, Russia, Japan and other countries.

In September 2019, with the continuous development of the company's business, it merged with Qingdao Ruihongjie Industry and Trade Co., LTD., and changed the company name to Qingdao Xinquanxi Metal Products Co., LTD.  At the same time, the business range is gradually expanding, the main production and operation of hardware rigging, wire rope connecting parts, hardware machinery, Marine and automobile connecting parts, all kinds of forging, sheet metal, stamping, casting parts and other products.  After more than 20 years of development, we have established a complete system, with strong technical capacity, mature production methods, advanced production equipment and testing methods.

 We always adhere to the principle of quality first, safe production, timely delivery, customer satisfaction after sale service, and constantly research and learn product expertise, with the best quality products to serve customers.  .

FAQ

1.Are you a factory or a trading company?
  
We have our own foundry and forging factory. The forging plant has 4 production lines and a history of more than 20 years;Foundry has a history of more than 30 years.

2.How do you control your quality?  
 
1: Control during r&d at the beginning of production
2:Production process control
3:Dimensional control
4:Tensile tests 
5:Quality inspection before delivery

3.Can we have our product markings on it? 

Yes, we can add product markings according to your requirements.

4.How about packing?

Woven bag, carton, plywood pallet or by customer requirements.