Thank you for visiting S-LOK, North America. Our company proudly markets and distributes the precision manufactured S-LOK line of tubing fittings and instrumentation valve products. We take an engineered approach to insure our products maintain the highest level of gauge ability, interchangeability, corrosion resistance, and consistency.

Our parts are machined using precision equipment operated by employees who are committed to zero defect deliveries. Manufacturing facilities located in Busan, Korea are operated by HanSun Engineering and owned by Han Kuk Steel Wire Company, a business with annual sales exceeding $220 Million USD.

It is the combination of our industrial application experience, the attention to detail in quality and manufacturing, and the financial support of a global, stainless steel products manufacturer that results in world's finest tube fitting products at the lowest possible price.