Indonesia’s Leading Fasteners and Components Manufacturer
Your reliable producer of superior-grade building material solutions, we serve you with excellence and trust.
Your reliable producer of superior-grade building material solutions, we serve you with excellence and trust.

About Karunia Utama
Karunia Utama is a factory for anchor and other building materials. We provide products such as Bolt and Nut, Anchor Bolt, U-Bolt, Torque Control Bolt (TC-BOLT), Standard Bolt & Nut, Stud Bolt, Clam Bolt, Clam Grating, and Wire Mesh. We also provide custom construction needs such as custom bolts, and others.
Why Us
We offers its product certifications, including the Certificate of Origin (COO), Certificate of Conformity (COC) and Mill Certificate
We deliver high-quality products that meet ASTM, ISO, JIS, and DIN standards, ensuring excellence and reliability.
We have the expertise to translate your requirements and ensure the highest quality results accurately.




Most Likely You Need

Essential for securely attaching structures to concrete, providing stability & support.

Commonly used for high-rise building, steel structure, bridge, and railway such as LRT & MRT.


Primarily grips and supports pipes securely, ensuring stable installations and proper alignment.
At PT Karunia Utama Putera, proven excellence is our standard. We equip ourselves with advanced machinery for precise measurements and dedicate a quality check division to ensure every product meets exact specifications and the highest standards of reliability.
News
In construction projects, concrete conditions on site are not always ideal. Engineers and….
In construction and industrial installations, the connection between structural components and concrete plays….
In many industrial, marine, and structural settings, tension and alignment are critical. Whether….