When you choose ARIRANG Bolts, Nuts, Screws and Rivets you know you can depend on them for performance and long-life results. We manufacture engineered bolting for critical service and safety-related applications. Forged fasteners; hex head bolts and screws, 12 point flange, hex flange, socket cap, etc., hex nuts, all-metal lock-nuts; all thread studs, tap-end studs, and a variety of special configurations.

Bolts

Samyong Co.,Ltd also services customers in Europe, we are not the low-cost supplier, we don’t want to be No one ever regrets the decision to go with quality and this has been the secret of our growth and success.


Premium quality bolting can’t be produced from raw material of inferior quality. Our raw material inventory is produced to exacting US Bolt material specifications, which are written to control the melt and rolling practices, as well as dictating the chemistry and material cleanliness. We perform on-site audits of our producing steel mills and closely monitor their output. These quality audits are performed by our professional metallurgical staff, assuring fully understood customer requirements and mill practices


Premium quality bolting can’t be produced from raw material of inferior quality. Our raw material inventory is produced to exacting US Bolt material specifications, which are written to control the melt and rolling practices, as well as dictating the chemistry and material cleanliness. We perform on-site audits of our producing steel mills and closely monitor their output. These quality audits are performed by our professional metallurgical staff, assuring fully understood customer requirements and mill practices



We perform turning, threading, milling, hexing, drilling, grinding and other finish machining operations.

Our in-house thread rolling capabilities allow us to form precision screw threads from ¼” diameter, through 6” diameter.

Critical dimensions are verified through the use of calibrated, certified thread gages, micrometers and other special inspection devices


Our passion at Samyong Co., Ltd is the satisfaction of our customer. By providing consultative support to our customer’s engineered bolting applications, we help them solve problems, and avoid costly mistakes. Through this close relationship, we can determine the customer’s real goals and help him meet them. We understand that no matter how good we might be, if we don’t give our customer what he wants, we won’t be successful. That’s the true measure of our value-add.