[For the construction industry] Anchor bolts that eliminate the need for leveling - 'Parent-Child Filler'

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last updated：Jan 15, 2026

構造工学研究所

Avoiding the adjustment of anchor bolt bases and the enlargement of base plate holes to shorten the construction period!

In the construction industry, shortening construction periods is essential for cost reduction and project success. The accuracy of anchor bolt installation is a crucial factor that affects the quality of steel structures; however, traditional methods require significant time and effort to correct anchor bolt errors, putting pressure on the construction schedule. In response to this challenge, our "Parent-Child Filler" eliminates the need for corrective measures such as leveling anchor bolts and enlarging base plate holes, contributing to the reduction of construction time. 【Usage Scenarios】 * Base of steel columns * In cases where installation errors of anchor bolts occur * Compatible with anchor bolts ranging from M12 to M80 【Benefits of Implementation】 * Reduction in anchor bolt installation time * Decreased risk of damage to base plates and anchor bolts * Improved installation accuracy of steel columns

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**Features** * No need to adjust anchor bolt bases or enlarge base plate holes * Compatible with a wide range of anchor bolt sizes from M12 to M80 * Available in four types (L, S, K, Q) to meet various needs * Obtained technical evaluation from the Japan Structural Steel Technology Support Association (SASST) * Structural safety has been confirmed **Our Strengths** Our company has been engaged in the research and development of structural steel components for many years. We are working to promote the use of parent-child fillers and establish a presence in the market, aiming for a top share in the niche market of functional joints.