Supplying a wide range of materials and standards to meet all your construction and industrial needs
About Karunia Utama
Karunia Utama is a leading manufacturer of high-quality fasteners and anchor bolts. With a broad spectrum of materials like Carbon Steel, Alloy Steel, and various grades such as A325, Grade 8.8, 10.9, 12.9, and standards including ASTM, JIS, and ISO, we serve diverse industries and applications. For custom bolts, clamp gratings, and bolts of all shapes and sizes, contact us for custom solutions we craft to meet your needs. Our commitment to excellence ensures that you receive reliable products that meet international standards.
Our Products
Types of product
our international standards
treatment & finishes
tailored solutions
Lengths, diameters, and thread pitches as per specifications
Alternative steel grades and alloys
Metric (M), UNC, UNF, and others
Tensile and hardness testing, Chemical composition analysis, Non-destructive testing (NDT)
Material Test Reports (MTR). Certificates of Compliance, Third-party inspection reports upon request
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FAQs
Yes, we specialize in custom manufacturing to meet specific project requirement
We offer a wide range of materials, in Carbon Steel (F1554, Grade 36, Grade 55, S400, Grade 4.6, Grade 5.6, A325, A449), Alloy Steel (A490, F154 Grade 105, A193 Gradr B7), Stainless Steel (SUS 316, SUS 304).
The production time we can offer depends on the quantity ordered.The production time we can offer is approximately 7-14 days, but it depends on the quantity ordered.
Jl. Sedayu City Kelapa Gading Blok A Selatan No 61,
RT.1/RW.9, Cakung Bar., Kec. Klp. Gading, Kota Jakarta Timur,
Daerah Khusus Ibukota Jakarta 13910
