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Aluminum Adjustable Clamp Solar Panel Mount
- Solar mounting hardware standard
- Material: 6063-T6 aluminum alloy; tensile strength ≥310MPa, yield strength ≥276MPa, lightweight (density 2.7g/cm³)
- Structure: Adjustable clamping arm + anti-scratch rubber pad + aluminum alloy locking bolt + rail-matching base + scale mark
- Surface Treatments: Anodic oxidation (salt spray resistance ≥800h), wear-resistant and anti-fingerprint
- Size: Clamping range 3–40mm, load-bearing 25–60kg per clamp, base width 35–70mm, weight 50–120g
Aluminum L Foot Brackets for Solar Mounting
- Material: 6063-T6 aluminum alloy; Fasteners: 304 stainless steel; Tensile strength ≥310MPa, yield strength ≥276MPa
- Structure: L-shaped main body + 2-way adjustable joint + anti-slip serrations + pre-drilled mounting holes + rubber buffer pad
- Surface Treatments: Anodic oxidation (salt spray resistance ≥800h), wear-resistant and anti-fingerprint
- Size: Bracket length 80–200mm, thickness 3–6mm, adjustment angle ±15°, load-bearing 50–120kg
ASTM A193 B7 Hex Bolt
ASTM A193 Grade B7 hex bolts are chromium-molybdenum alloy-steel fasteners commonly specified for high-temperature or high-pressure service. Product dimensions, thread form, coating, testing and documentation are confirmed for the specified order and application.
- Mechanical Properties: Grade B7 requirements are reviewed against the specified product form, dimensions and applicable documentation.
- Application Review: Service temperature, pressure and operating conditions should be confirmed against the applicable specification and project requirements.
- Surface Protection: Coating options are reviewed for the requested size and service conditions.
- Thread Configuration: Full- and partial-thread configurations can be quoted according to the requested dimensions and mating components.
- Mating Components: ASTM A194 Grade 2H heavy hex nuts are commonly specified with ASTM A193 Grade B7 bolting; confirm the required nut grade, finish and dimensions for the assembly.
ASTM A193 B8M Hex Bolt
Engineered for extreme environments, the ASTM A193 B8M Hex Bolt by Qi Sheng delivers exceptional durability and reliability for critical B2B industrial applications. Manufactured from premium 316 stainless steel, it is the ultimate fastening solution for high-pressure, high-temperature, and highly corrosive settings.
- Extreme Temperature Tolerance: Operates flawlessly from -200℃ to 650℃ without deformation.
- Superior Corrosion Resistance: Premium 316 stainless steel resists acids, alkalis, salt spray, and chlorides.
- Heavy-Duty Load Bearing: High tensile and yield strength to withstand intense pressure and severe vibration.
- Standardized Efficiency: Hexagonal head profile ensures seamless fitment with standard wrenches for rapid installation and maintenance.
- Primary Industries: Oil & Gas, Petrochemical, Power Generation, and Marine infrastructure.
ASTM A194 2H Heavy Hex Nuts
Engineered for extreme pressure and high-temperature service, the ASTM A194 2H Heavy Hex Nut by Qi Sheng delivers maximum joint integrity for critical B2B industrial applications. Manufactured from quenched and tempered carbon steel, it is the standard fastening solution for flanges, valves, and pressure vessels.
- High-Temperature Performance: Designed to maintain strength and structural stability in high-heat environments.
- Heavy-Duty Strength: Quenched and tempered medium carbon steel ensures exceptional proof load capabilities.
- Perfect Compatibility: The ideal mating nut for high-strength ASTM A193 Grade B7 stud bolts and hex bolts.
- Wider Across-Flats: Heavy hex design provides a larger bearing surface area to distribute clamp load safely.
- Primary Industries: Oil & Gas, Petrochemical Refineries, Power Generation, and Heavy Structural Engineering.
ASTM A320 L7 Hex Bolt
- Low-Temperature Bolting: Intended for applications where ASTM A320 Grade L7 is specified.
- Testing Requirements: Impact-test temperature, test values and documentation are confirmed against the applicable ASTM edition and purchase requirements.
- Surface Treatment: Plain, zinc-plated, hot-dip galvanized and PTFE-coated options can be reviewed for the requested size and application.
- Thread Configuration: Full- and partial-thread configurations can be quoted according to the requested dimensions.
- Mating Components: Nut grade, finish and impact-testing requirements should be confirmed for the complete bolting assembly.
ASTM A563 Heavy Hex Nuts
Engineered for robust structural connections, the ASTM A563 Heavy Hex Nut by Qi Sheng provides exceptional load distribution and fastening security for heavy-duty B2B applications. Manufactured from premium carbon and alloy steel, it is the standard choice for civil engineering, commercial buildings, and infrastructure projects.
- Structural Integrity: The designated mating nut for high-strength structural bolts (such as ASTM A325 and A490).
- Heavy Hex Profile: Wider across-flats dimension provides a larger bearing surface to safely distribute high clamping loads.
- Versatile Grades: Available in multiple grades (Grade A, C, DH) to meet varying tensile strength requirements.
- Weather Resistance: Optional Hot-Dip Galvanized (HDG) coating ensures long-lasting protection in harsh outdoor environments.
- Primary Industries: Construction, Bridge Building, Solar PV Infrastructure, and Heavy Manufacturing.
Battery Terminal Replacement T Bolt
- Complies with automotive and industrial standards (e.g., SAE J1171, DIN 787), specialized for battery terminal replacement and connection
- Features a T-shaped shankand matching head design (e.g., hex head, square head) to fit battery terminal slots
- Common materials include copper-plated steel, pure copper, or corrosion-resistant alloy
- Surface treatment options include tin plating, silver plating, or nickel plating to enhance conductivity and anti-corrosion
Black Phosphate Drywall Screw
- Complies with ISO 7047, ANSI B18.6.3, DIN 7982; drywall-specialized self-tapping fasteners
- Material: Low-carbon steel (1010/1018); strength grades 4.8–8.8
- Structure: Countersunk flat head + Phillips slot + drywall fine-thread + drill tip
- Surface treatment: Black phosphate (lubricity & corrosion resistance);
- Size 2.2mm-6.4mm, length 16–50mm (for 9.5–15mm gypsum boards)
Carriage Bolt/Mushroom Head Square Neck Bolt
- Complies with international standards such as ISO 8677, ASTM A307, and DIN 603
- Common materials include carbon steel (e.g., Q235, 45#), stainless steel (e.g., 304, 316), and alloy steel
- Classified as special-shaped fasteners, featuring a mushroom-shaped round headand a square neck under the head
- Strength grades typically range from 4.8 to 8.8
Closed End Blind Rivet
- Complies with DIN EN ISO 15974; sealed blind rivet fasteners
- Material: Aluminum alloy, carbon steel, stainless steel (304/316); corrosion-resistant variants available
- Structure: Closed-end rivet sleeve + pull stud + blind expansion mechanism (sealed design).
- Surface treatments: Aluminum (natural anodization), steel (zinc plating, Dacromet), stainless steel (passivation)
- Size: Diameter 3.2–6.4mm, grip range 2–15mm, shear strength 6–30kN
Fastener Supply for Industrial Applications
Sector-specific fastener solutions backed by technical expertise and reliable supply chains.
Construction
Structural bolts, anchor systems, and hardware for commercial, residential, and civil infrastructure.
Manufacturing
Fastener RFQs for assembly, equipment and maintenance are reviewed against the specification, quantity, packaging and requested delivery date.
Oil & Gas
We review ASTM A193/A194-related requirements against the exact designation, grade, product form, dimensions, service conditions and required documents. Availability and document arrangements are confirmed for the product and order in the quotation.
Marine
Corrosion-resistant fasteners in A4-80 stainless and duplex for marine environments and offshore rigs.
Solar PV
Mounting hardware and stainless fasteners for solar panel racking systems. Weather-resistant and long-life.
Automotive
High-strength fasteners for chassis, engine assemblies, and body components. Grade 10.9 and above.
CERTIFICATION & STANDARDS
Documentation Support Based on Product and Order Requirements
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CERT OF CONFORMANCE
About Us
Jiangyin Qi Sheng International Trading Co., Ltd. is a distinguished and dynamic player in the global hardware supply industry. Strategically located in Jiangyin, a key industrial and manufacturing hub in Jiangsu Province, China, QISHENG is an industrial fastener supplier with manufacturing experience, supporting standard and drawing-based RFQs for industrial buyers.Our core mission is to provide reliable, cost-effective, and innovative hardware solutions that meet the precise specifications and demanding standards of our diverse international partners.
Why Choose Us
Fast Delivery
We will offer you the best after-sale service and timely delivery.
RFQ Information Review
Share a complete specification or drawing so our team can review the applicable product and order requirements.
Customization
We can provide customers with personalized services, and customize products according to your requirements, samples or drawings.
Secure Checkout
Our Secure Checkout process protects your payment and personal information, and avoids the risk of data leakage throughout the entire process.