Steel Zinc Plated M4 Knurled Thumb Screws

Ningbo OuKaiLuo Hardware Co., Ltd, established in 1999, has been a leading manufacturer and supplier of fasteners with a history of product and service over 16 years. This commitment has not wavered because complete customer satisfaction is always our No.1 priority.

As a professional and integrative fastener maker, Oukailuo combines scientific research, production and sales as a whole. Enjoying a full set of advanced production equipment and quality measurement system, Oukailuo makes it possible that 98 percent of screws, rivets, cold heading parts and stamping parts which we mainly specialize in, greatly satisfy customers' need. Besides, OEM service is also available if samples or drawings can be provided.

Oukailuo has been verified by BV and ISO 9001 international quality management system. Most of our fasteners are in line with ROHS standards(e.g. SGS, CTI). So they are in great demand not only in China but also in US, Europe, Oceania and South America.

We persist in the principle of "Quality and integrity is the lifeline of a enterprise's subsistence and development" and do our best to provide you with best fasteners, most favorable price, fastest delivery and best services. We sincerely hope to be your reliable supplier and partner."