Nylok Screw/Nylok Bolt (YK04) Kunshan Yea-Ok Hardware Products Co., Ltd. Base Info Model NO.：YK04Trademark：YEA-OKSpecification：GB, ANSI, DINOrigin：KunshanHS Code：7318150000 Description Pre：Gr2 Titanium Nail (TAIHE004) Next：Non-Standard Flange Bolts
