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Mukau Fasteners is a leading manufacturer and supplier of Grade 4.6 bolts known for their durability and strength. Our bolts are crafted from high-quality materials and conform to ASTM, ASME, ISO, DIN, BS, EN, SAE, and Indian standards. They are available in ASME, DIN, ISO, BS, UNI, CSN, PN, EU, and IFI dimensions to ensure optimal quality and performance for diverse applications.
MUKAU FASTENERS, located in Kinshasa, Congo, has earned a solid reputation as a reliable manufacturer and supplier of top-notch industrial fasteners, including Grade 4.6 Bolts. These bolts are designed to meet international standards, ensuring dependable performance for general-purpose fastening tasks. With a great mix of strength and ductility, Grade 4.6 Bolts are perfect for situations where moderate strength is needed. MUKAU FASTENERS employs cutting-edge manufacturing techniques along with strict quality control measures to produce bolts that guarantee secure connections, consistent mechanical performance, and a long lifespan, making them a trusted option for engineers, contractors, and industrial users alike.
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Strength class or grade |
Material and heat treatment |
Chemical composition (analysis on the product) % |
Min. hardening temperature °C |
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C |
P |
S |
B |
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min |
max |
max |
max |
max |
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4.6 |
Carbon steel |
– |
0,55 |
0,050 |
0,060 |
Not specif
ied |
– |
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Class/ Grade |
Material |
Proof stress |
Yield strength (min.) |
Tensile strength (min.) |
Core hardness (Rockwell) |
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Grade 4.6 |
Low or medium carbon steel |
225 Mpa |
240 Mpa |
400 Mpa |
B67-95 |
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Dimensions |
ASME B18.2.1, B18.3 |
|---|---|
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Melt Origin |
South America/East Europe/JapanKorea/ |
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Product Origin |
Made in India |
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Threads Configuration |
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
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Certification |
Dual Certified As per ASTM & ASME Codes |
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Additional Certifications |
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
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Mandatory Requirements |
Free from Mercury & Radioactive Contamination |
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Additional Requirements |
NACE MR0103 / MR0175 / ISO 15156 Compliance |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Typically crafted from low to medium carbon steel, Grade 4.6 Bolts offer moderate tensile strength and hardness. They boast a tensile strength of about 400 MPa and a yield strength of around 240 MPa, providing reliable load-bearing capabilities for everyday industrial and structural uses. The precision threading ensures a snug fit with matching nuts, while their ductile nature allows for some flexibility under stress without breaking. These mechanical characteristics make Grade 4.6 Bolts ideal for applications where safety and durability are key, but extreme strength isn’t a must.
Grade 4.6 Bolts find their way into a variety of fields, including construction, machinery assembly, automotive, and general engineering. They’re great for securing light structural components, machinery parts, and equipment where moderate mechanical loads are anticipated. Additionally, these bolts are commonly used in maintenance, repair, and low-pressure fastening tasks across different industries. MUKAU FASTENERS provides Grade 4.6 Bolts that adhere to strict industrial standards, delivering reliable, cost-effective, and durable fastening solutions for everyday engineering and industrial requirements.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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