18 years professional hardware manufacturer - JM Hardware
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18 years professional hardware manufacturer - JM Hardware
JM Hardware® takes pride in delivering high-quality concrete screw bolts that meet the stringent demands of construction and engineering projects. In this guide, we'll walk you through the meticulous production process of our concrete screw bolts（concrete anchor bolts ）, from material selection to final inspection.
Material Selection:
JM Hardware®'s concrete bolts are crafted using premium-grade materials selected for their durability, corrosion resistance, and mechanical properties.
Stainless steel, carbon steel, or alloy steel are commonly chosen for their strength and corrosion-resistant properties, ensuring long-lasting performance in diverse environments.
Each batch of raw materials undergoes thorough quality checks to ensure compliance with industry standards and our stringent quality requirements.
Manufacturing Process:
Cutting: The selected raw materials are precision-cut to the required length using state-of-the-art cutting machinery, ensuring uniformity and accuracy.
Thread Rolling: The cut blanks undergo thread rolling, where precise threads are formed on the bolt shafts using specialized dies. This process ensures a tight and secure fit during installation.
Heat Treatment: The threaded bolts are subjected to heat treatment processes such as quenching and tempering to enhance their mechanical properties, including strength and hardness.
Surface Treatment: The bolts may undergo surface treatments such as zinc plating, galvanization, or coating to provide corrosion resistance and improve aesthetics.
Inspection: Throughout the manufacturing process, our quality control team conducts rigorous inspections to verify dimensional accuracy, thread integrity, surface finish, and overall quality compliance.
Testing and Quality Assurance:
Dimensional Inspection: Precise measurements are taken to ensure the bolts meet the specified dimensions and tolerances.
Thread Inspection: Threads are inspected using specialized gauges to verify pitch, depth, and profile conformity.
Mechanical Testing: Samples of bolts undergo mechanical tests, including tensile strength, shear strength, and torque testing, to assess their performance under load.
Corrosion Resistance Testing: Bolt samples are subjected to corrosion resistance tests, such as salt spray testing, to evaluate their resistance to environmental conditions.
Final Inspection: Each batch of concrete screw bolts undergoes a final inspection to ensure compliance with industry standards and JM Hardware®'s quality requirements before packaging and shipment.
At JM Hardware®，our commitment to excellence drives every step of the production process for our concrete screw bolts. From material selection to final inspection, we adhere to the highest standards of quality and precision to deliver products that meet and exceed our customers' expectations. With JM Hardware®'s concrete screw bolts, you can trust in reliability, durability, and performance for your construction and engineering projects.
Since our establishment in 2006, JM has been adhering to the mission of creating maximum value for customers by providing differentiated services, building a stage for employees to succeed, and making a positive contribution to the society.
