| ajax-hex-bolt |
| Iran |
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M5 A2 stainless steel threaded rod
The A2 stainless steel M5 metric screw has a nominal diameter of 5 millimeters and a standard thread pitch of 0.8 millimeters. It is widely used for fastening medium-load assemblies in machinery, electrical enclosures, and structural frameworks. The screw is available in lengths ranging from 8 to 60 millimeters, allowing precise adaptation to various design requirements. Its tensile strength reaches approximately 500 MPa, while surface hardness varies between 150 and 180 HV. The unit weight is about 0.020 kilograms per 10 centimeters, enabling engineers to calculate total assembly weight and ensure load distribution accuracy in mechanical and structural applications. The fully threaded design ensures secure engagement with nuts and tapped holes, providing consistent load transfer without localized stress concentration.
A2 stainless steel M5 screws offer excellent corrosion resistance, making them suitable for indoor, semi-outdoor, and mildly corrosive industrial environments. The material composition includes approximately 18–20% chromium and 8–10% nickel, which form a passive oxide layer to prevent rust formation. This protective layer remains effective even in humid, coastal, or chemically mild settings, extending the service life of mechanical assemblies. Additionally,

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| ajax-hex-bolt | 021-55429480 |
| ajax-hex-bolt |
| Iran |
| 021-55429480 |
M6 A2 stainless steel threaded rod
The A2 stainless steel M6 metric screw has a nominal diameter of 6 millimeters and a standard thread pitch of 1 millimeter. Its thread depth is approximately 0.6 millimeters, providing secure engagement in nuts or tapped holes. The unit weight is around 0.030 kilograms per 10 centimeters of length, allowing engineers to calculate total assembly weight and ensure proper load distribution. The screw’s surface hardness ranges from 150 to 180 HV, and its tensile strength reaches approximately 500 MPa, providing reliable performance under static and dynamic loads in industrial environments. The fully threaded design with a 60-degree thread angle distributes stress uniformly, reducing the risk of localized failure and ensuring long-term mechanical stability.
A2 stainless steel M6 screws offer excellent resistance to corrosion, rust, and environmental degradation, making them suitable for indoor, semi-outdoor, and mildly corrosive industrial applications. The chemical composition includes 18–20% chromium and 8–10% nickel, forming a passive oxide layer on the surface that protects against oxidation. This protective layer remains effective under high humidity, light chemical exposure, and moderate temperature fluctuations, extending service life. The precision-machined surface an

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| ajax-hex-bolt | 021-55429480 |
| ajax-hex-bolt |
| Iran |
| 021-55429480 |
M8 stainless steel threaded rod
The A2 stainless steel M8 metric screw has a nominal diameter of 8 millimeters and a standard thread pitch of 1.25 millimeters, suitable for fastening medium to heavy industrial components. Its unit weight is approximately 0.050 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight for mechanical and structural designs. The thread depth is about 0.7 millimeters, and the full-thread design with a 60-degree angle ensures uniform engagement in nuts or tapped holes, preventing stress concentration at connection points. With a surface hardness of 150–180 HV and tensile strength around 500 MPa, the M8 A2 screw provides safe performance under static loads and industrial vibrations.
The A2 M8 stainless steel screw offers excellent corrosion and rust resistance, making it suitable for indoor, semi-humid industrial, and light marine environments. Its chemical composition includes 18–20% chromium and 8–10% nickel, forming a stable passive oxide layer that protects the surface. This protective layer remains effective in humid conditions, exposure to vapor, and mild chemical solutions, extending the service life of assemblies. Smooth and precision-finished threads reduce friction and ensure fast, secure, and reliable assembly for engineers.

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| ajax-hex-bolt | 021-55429480 |
| ajax-hex-bolt |
| Iran |
| 021-55429480 |
M10 A2 threaded rod
The A2 stainless steel M10 metric screw has a nominal diameter of 10 millimeters and a standard thread pitch of 1.5 millimeters, suitable for fastening medium to heavy industrial components. Its unit weight is approximately 0.085 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and engineering design of structures. The thread depth is about 0.8 millimeters, and the 60-degree thread angle ensures uniform force distribution in the connection. Available in lengths from 12 to 100 millimeters, the full-thread design provides secure engagement in nuts and tapped holes, ensuring reliable load transfer.
The tensile strength of the M10 A2 screw is around 500 MPa, with a surface hardness between 150 and 180 HV, providing safe performance under static, dynamic, and vibrational loads. Thread and body wear resistance is enhanced by precision surface finishing and uniform metal structure, allowing repeated assembly without strength reduction. The polished A2 stainless steel surface ensures corrosion resistance, durability in humid conditions, and stability against most mild chemical solutions, extending service life.
The M10 A2 metric screw is manufactured according to ISO 3506-1 standards, ensuring mechanical performance, fatigue resistance,

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| ajax-hex-bolt | 021-55429480 |
| ajax-hex-bolt |
| Iran |
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18mm threaded rod
The M18 threaded rod is manufactured according to DIN 975 and ISO 898 standards and, in grade 8.8 steel, has a tensile strength of approximately 800 MPa and a yield strength around 640 MPa. Due to its high strength and large diameter, this rod is widely used in heavy structural connections, industrial equipment, and construction machinery. Different lengths of M18 rods allow application in industrial and construction projects requiring high load-bearing capacity.
The unit weight of the M18 threaded rod is approximately 2.80 to 2.85 kilograms per meter, which may vary slightly depending on the steel type and manufacturing process. The combination of suitable weight and high mechanical strength makes the M18 rod a standard and reliable option for transferring tensile loads and enduring long-term mechanical stresses. This weight also influences the choice of surface coatings and protective treatments.
The metric thread pitch for the M18 rod is 2.5 millimeters, and the thread depth is approximately 1.6 millimeters, based on the ISO Metric profile with a 60-degree angle. Precise adherence to thread pitch and depth ensures uniform engagement between rod and nut, guaranteeing safe stress transfer in industrial and structural connections. These technical specifications make the M18

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| ajax-hex-bolt | 021-55429480 |
| ajax-hex-bolt |
| Iran |
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M4 A2 threaded rod
The A2 stainless steel M4 metric screw has a nominal diameter of 4 millimeters and a thread pitch of 0.7 millimeters, commonly used for fastening light metal and plastic components. Its unit weight is approximately 0.012 kilograms per 10 centimeters of length, enabling engineers to calculate precise load and total assembly weight. Screw lengths range from 6 to 50 millimeters, offering tensile strength of 500 MPa and surface hardness between 150 and 180 HV, providing adequate resistance to static loads and industrial vibrations. The standard A2 stainless steel coating ensures high corrosion resistance, durability in humid environments, and stability against most mild chemical solutions, extending service life in indoor and semi-industrial applications.
From a technical standpoint, the M4 A2 metric screw features a full thread with a 60-degree angle and a 0.7-millimeter depth, ensuring uniform engagement with nuts or tapped components. Uniform hardness along the body and head distributes forces evenly, preventing stress concentration during tightening. Manufactured according to ISO 3506-1 standards, it guarantees mechanical performance and fatigue resistance under cyclic loads. Additionally, the smooth, precision-finished surface reduces friction between threads and nuts, allowi

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| ajax-hex-bolt | 021-55429480 |
| SSP |
| Iran |
| 02177607818 |
krom schroder Pressure Switch Model DL3A-3
The Krom Schroder pressure switch model DL3A-3 is a precise and reliable device designed for gas pressure monitoring and control in various industrial applications. Manufactured by the reputable German brand Krom Schroder, this model stands out in the gas systems and thermal installation sectors due to its high accuracy and performance. The DL3A-3 is built to detect gas pressure within a specified range and send on/off signals to control circuits once the set pressure point is reached. Its durable housing, safe design, and easy installation make it an ideal choice for heating systems, industrial burners, steam boilers, and automation systems.
From a technical perspective, the DL3A-3 pressure switch features a corrosion-resistant aluminum housing, built to perform reliably even under harsh environmental conditions. Its adjustable pressure range typically spans from 0.4 to 3 mbar, offering precise control for sensitive gas environments. The device complies with international safety standards and integrates seamlessly into gas control systems. The electrical terminals are designed for secure and quick wiring, enhancing installation efficiency. Overall, this pressure switch is a durable, cost-effective, and high-performance solution for projects requiring accurate gas pressure con

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| SSP | 02177607818 |
| arya-welding |
| Iran |
| 02166730889 |
BestaRC ERCUAL-A2 Aluminum Welding Rod, 2.4 mm
The BestaRC ERCUAL-A2 aluminum welding wire, 2.4 mm diameter, is suitable for both AC and DC electric arc welding. It is made from high-purity aluminum alloy and can weld aluminum and aluminum-magnesium alloys. With a 2.4 mm diameter and 1 kg per rod, it allows precise melt control and proper base metal penetration. Low electrical resistance and high thermal conductivity reduce warping and improve weld quality. ERCUAL-A2 complies with AWS A5.10 standards, and its flux coating protects the weld area from oxidation while ensuring a uniform joint. The wire provides stable arc performance, making it ideal for consistent and high-quality aluminum welding applications.
This welding wire offers excellent arc stability and flow, enabling welding of both thin and thick components. The resulting weld has a tensile strength of 90–110 MPa and hardness of 40–50 HB, ensuring optimal compatibility with the base metal. Melting temperature ranges from 600 to 650°C, and the thermal expansion coefficient is close to pure aluminum, preventing cracking. ERCUAL-A2 allows post-weld formability and corrosion resistance in humid and industrial environments. Its use in aerospace, automotive, and industrial aluminum structures guarantees high weld quality and long-term durability.

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| arya-welding | 02166730889 |
| ajax-hex-bolt |
| Iran |
| 021-55429480 |
20mm threaded rod
The M20 threaded rod made of carbon steel, grade 5.6, has an ultimate tensile strength of approximately 500 MPa and a yield strength around 300 MPa. Its surface hardness ranges between 110 and 140 Brinell HB, providing moderate resistance against thread wear and deformation. These characteristics make the M20 grade 5.6 rod suitable for light to medium industrial connections and projects with moderate load requirements.
The unit weight of the M20 threaded rod, grade 5.6, is approximately 3.85 to 3.90 kilograms per meter, which can vary slightly depending on the steel type and manufacturing process. This weight, combined with moderate mechanical strength, makes the M20 rod suitable for light steel structures, small industrial equipment, and machinery components with limited load demands.
The metric thread pitch of this rod is 2.5 millimeters, and the thread depth is approximately 1.75 millimeters, based on the ISO Metric profile with a 60-degree thread angle. Precise adherence to pitch and thread depth ensures uniform engagement between rod and nut and maintains connection stability under moderate industrial loads. These specifications make the M20 grade 5.6 rod an economical, standard, and reliable option for light industrial and installation projects.

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| ajax-hex-bolt | 021-55429480 |
| 5airless |
| Iran |
| 021-66701007 |
Eskandari Industrial Products
Eskandari Industrial Products include a comprehensive range of specialized tools designed for use in various industries. This collection includes high-precision machining tools, electric tools with varying power ratings, advanced welding and cutting equipment, and safety tools for worker protection. The machining tools in this range feature milling machines, industrial drills, and metalworking machines that offer high precision and versatility, making them suitable for use in demanding industrial environments. The electric tools are powered by robust motors and offer diverse capabilities for applications such as cutting, machining, and drilling.
In addition to machining and electrical tools, Eskandaris welding and cutting equipment meets the highest standards. The brand’s welding machines include MIG, TIG, and electrode types designed for high-quality welding of various metals. Cutting equipment includes industrial saws and laser/plasma cutting machines that provide fast and precise cuts for industrial and construction projects. Moreover, the safety tools include workwear, safety helmets, durable gloves, and personal protection systems, all designed with safety guidelines to reduce risks in the workplace.

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| 5airless | 021-66701007 |
| ajax-hex-bolt |
| Iran |
| 021-55429480 |
8mm threaded rod
The M8 threaded rod is manufactured according to DIN 975 and ISO 898 standards and, due to its larger diameter compared to M6, is used for stronger joints. The approximate weight of one meter of this rod in carbon steel is about 0.40 to 0.42 kilograms, depending on the chemical composition and material density. In grade 8.8 steel, the tensile strength reaches about 800 MPa, while the yield strength is approximately 640 MPa. These mechanical properties make the M8 threaded rod widely applicable in steel structures, mechanical parts, and medium to heavy machinery.
The surface coating of the M8 threaded rod can be applied as cold galvanization, hot-dip galvanization, or zinc plating to improve resistance against moisture and corrosion. In construction, it is used for fastening steel plates, securing precast concrete elements, and assembling industrial equipment. In the automotive and machinery industries, it is considered a standard and reliable option thanks to its high strength and availability in different lengths. The combination of suitable weight, strong mechanical performance, and protective coating makes the M8 threaded rod one of the most widely used sizes in multiple industries.

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| kianbolt |
| Iran |
| 021-55401057 |
Stainless steel 304 threaded rod
Stainless steel 304 threaded rod is one of the most widely used types of threaded fasteners in various industries due to its specific chemical composition and excellent corrosion resistance. The alloy contains 18% chromium and 8% nickel, which ensures stability in humid and high-temperature environments. The tensile strength of stainless steel 304 threaded rods in the annealed condition is approximately 520 MPa, while the yield strength is around 210 MPa. These rods are typically produced in metric sizes ranging from M3 to M36, with lengths up to 3000 mm, and they can operate reliably in a temperature range from -40 to 425 degrees Celsius.
From a mechanical perspective, the hardness of stainless steel 304 threaded rods usually falls between 70 and 95 Brinell, with a shear strength of about 300 MPa. The thread tolerance is defined according to ISO 965 in class 6g, ensuring high precision in industrial assemblies. The density of this alloy is 7.9 g/cm³, and the weight per meter depends on the rod diameter. In addition to applications in the food and pharmaceutical industries, stainless steel 304 threaded rods are also used in electrical environments due to their non-magnetic properties.

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| kianbolt | 021-55401057 |
| tehran-gearbox |
| Iran |
| 021-55406939 021-55426506 |
Frodo or Frodos Lent
Ferodo brake pads are specialized components used in disc and drum brake systems, manufactured in compliance with international standards. Their coefficient of friction ranges from 0.35 to 0.42 and they maintain stable performance within an operating temperature range of 100 to 450 degrees Celsius. The Premier series is designed for passenger vehicles, with the friction material thickness varying between 10 to 16 millimeters. Brake response time with these pads is recorded at less than 0.3 seconds, and they achieve high scores in ECE R90 tests for braking stability and consistency.
The material structure of Ferodo pads consists of a blend of organic fibers, heat-resistant compounds, and light metallic particles such as copper or soft steel. This formulation reduces disc wear and extends pad life up to 40,000 kilometers. Under normal driving conditions, pad thickness decreases by approximately 0.05 millimeters per 1,000 kilometers. At temperatures exceeding 500 degrees Celsius, friction performance drops by only about 10 percent, indicating excellent thermal resistance. These pads feature anti-noise design and cooling grooves that reduce brake noise and vibration by up to 30 percent.

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| kianbolt |
| Iran |
| 021-55401057 |
AISI 316 stainless steel threaded rod
AISI 316 stainless steel threaded rod is one of the most widely used fasteners in marine, chemical, and food industries due to its unique chemical composition and high resistance. This alloy contains approximately 16–18% chromium, 10–14% nickel, and 2–3% molybdenum, which ensures stability against chloride-induced corrosion. The tensile strength of AISI 316 threaded rod is typically in the range of 515–700 MPa, while its yield strength is about 205 MPa. The standard working temperature range for this alloy is from -50 to 870 °C, providing long-term performance in acidic or humid environments.
Dimensionally, AISI 316 stainless steel threaded rods are produced in sizes from M3 to M36 with lengths ranging from 100 to 3000 mm, and threads are manufactured according to ISO 965 tolerance class 6g. The surface hardness of this alloy generally falls between 79 and 95 Brinell, which is equivalent to approximately 20–25 Rockwell C. Its salt spray test resistance exceeds 1000 hours without rust formation, making it ideal for marine environments. Using AISI 316 threaded rods increases structural lifespan and reduces maintenance costs in critical systems.

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| tehran-gearbox |
| Iran |
| 021-55406939 021-55426506 |
woven roll ferodo
Ferodo brake pads are among the most specialized and reputable products in the braking industry, designed and manufactured in accordance with international automotive and industrial standards. Their coefficient of friction ranges from 0.35 to 0.42, delivering consistent performance across a temperature range of 100 to 500 degrees Celsius. The friction material thickness in passenger car models ranges from 10 to 16 millimeters, with a wear rate of less than 0.05 millimeters per 1,000 kilometers. Ferodo pads are manufactured using multi-groove technology and heat-resistant adhesive, ensuring high resistance to thermal cracking.
The material composition of Ferodo pads includes aramid fibers, phenolic resin, and soft metallic particles such as copper or graphite. This blend balances braking power with reduced rotor wear. Their compressive strength reaches up to 25 megapascals, and surface hardness is measured between 65 and 75 Rockwell C. The acoustic design of Ferodo pads reduces brake noise by up to 30 percent and complies fully with ECE R90 standards. The average service life of original Ferodo pads ranges from 30,000 to 50,000 kilometers, depending on driving conditions.

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