Place of Origin: Zhejiang, China (Mainland) Brand Name: OKL Model Number: thread cutting screw Standard: DIN Material: Carbon Steel Drive type: Torx Head style: Pan head Finish: Black zinc Certificate: ISO9001:2008, SGS, RoHS, Screw Tip: Cutting Thread After-sale service: If there are any quality problems, please contact with us at once Features: Good anti-corrosion ability