Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100000 |
| Delivery Time | 5-15days |
| Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces |
| Color | Customized/Silver/Plain |
| Material | Stainless Steel |
| Thread Pitch | Customized |
| Corrosionresistance | High/Customized |
| Headtype | J & L type bolt |
| Port | Shenzhen, Guangzhou |
| Common Uses | Construction, automotive, machinery |
| Finish | plain/ polish |
| Thread Type | Mechined Thread |
| Rust Proof | Yes |
| Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN |
| Model Number | Customized |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 100000 |
| Delivery Time | 5-15days | Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces | Color | Customized/Silver/Plain |
| Material | Stainless Steel | Thread Pitch | Customized |
| Corrosionresistance | High/Customized | Headtype | J & L type bolt |
| Port | Shenzhen, Guangzhou | Common Uses | Construction, automotive, machinery |
| Finish | plain/ polish | Thread Type | Mechined Thread |
| Rust Proof | Yes | Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN | Model Number | Customized |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | M4 J hook stainless steel bolt ，M5 galvanized J hook bolt ，M6 carbon steel J bolt | ||
M4, M5, M6 J shaped stainless steel carbon steel galvanized J hook metal bolts
1,Description:
L BOLT (L-shaped bolt/L-shaped anchor bolt) is a fastener shaped like the letter ‘L’, also known as a right-angle anchor bolt, 7-shaped anchor bolt, or straight-hook anchor bolt. Its primary applications are as follows:
Main Applications
1. Building and Civil Engineering
Securing steel structures: Used to anchor steel columns, beams, and other structural components to concrete foundations
Connecting concrete structures: Serves as an anchoring element linking concrete foundations to other structural components
Fixing foundation beams and slabs: Secures foundation beams and slabs to concrete or masonry foundations
2. Mechanical Equipment Installation
Securing equipment bases: Fixing bases for various machinery, particularly equipment without significant vibration or impact
Anchoring heavy machinery: Securing large equipment and machinery in industries such as power generation and chemical processing
Connecting equipment foundations: Linking structural and non-structural components to transmit tensile and shear forces
3. Infrastructure
Streetlight pole fixing: Securing lampposts, utility poles, etc.
Traffic installations: Fixing car park barriers, guardrails, support columns, etc.
Bridge construction: Connecting and securing bridge structures
4. Industrial applications
Pipe supports: Securing pipework systems where required
Power pylons: Embedded components ensuring pylon stability under load and external forces
2,Applications:
Features and Advantages
High tensile strength, with the L-shaped right-angle design offering superior pull-out resistance and stability compared to J-bolts.
Excellent shear resistance, as the right-angle configuration provides greater stability against horizontal shear forces.
Installation typically employs the embedded method, incorporated during concrete pouring.
Common materials include Q235, Q345B, and 16Mn steel grades, with 40Cr available for high-strength applications.
Corrosion Protection Surface treatments such as galvanising or hot-dip galvanising are applicable for outdoor environments.
3,Technical Advantages
Differences from other bolt types
vs J-bolts: L-bolts offer superior strength and stability with enhanced pull-out resistance, making them suitable for heavy-duty applications
vs U-bolts: U-bolts are primarily used for clamping pipes or circular objects, whereas L-bolts are better suited for foundation anchoring
vs Double-headed bolts: Double-headed bolts are removable, suitable for equipment requiring frequent maintenance; L-bolts provide permanent anchoring.
L-bolts rank among the most commonly used anchor bolt types in construction engineering. Their simple structure and robust load-bearing capacity make them widely employed in diverse infrastructure projects and industrial equipment installations.
the comparison between German Standard (DIN) and American Standard (ANSI/ASME/ASTM) expressed in text format:
Unit of Measurement
The German Standard uses the metric system with measurements in millimeters (mm). The American Standard uses the imperial system with measurements in inches.
Thread Standard
The German Standard employs metric threads designated as M series (such as M8, M12, M16). The American Standard uses unified threads designated as UNC for coarse threads and UNF for fine threads (such as 1/4-20 UNC).
Thread Angle
Both standards share the same 60-degree thread angle.
Pressure Rating
The German Standard uses the PN series including PN6, PN10, PN16, PN25, and PN40. The American Standard uses the Class series including Class 150, 300, 600, 900, and higher ratings.
Primary Application Regions
The German Standard is primarily applied in Europe and most parts of Asia. The American Standard is primarily applied in North America including the United States and Canada, as well as Latin America.
Standard Organization
The German Standard is established by Deutsches Institut für Normung which translates to German Institute for Standardization. The American Standard is established by the American National Standards Institute (ANSI) and the American Society of Mechanical Engineers (ASME).
Detailed Differences
1. Dimension and Thread Designation
German Standard: M16-2×60 denotes a nominal diameter of 16mm, pitch of 2mm, and length of 60mm
American Standard: 1/4-20×3/4 denotes a nominal diameter of 1/4 inch (approximately 6.35mm), 20 threads per inch, and length of 3/4 inch
Key Differences:
The American standard 10-gauge bolt has a shank diameter of 4.826mm, whereas the equivalent German/Chinese standard M5 has a diameter of exactly 5mm – a difference of 0.174mm, rendering them non-interchangeable.
The American standard 1/2-13 UNC pitch is approximately 1.954mm, while the equivalent German standard M12×1.75 pitch is 1.75mm, indicating differing thread densities.
Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.
Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...
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