Place of Origin: Zhejiang, China (Mainland) Brand Name: okl Model Number: self clinching nuts Metarial: Stainless Steel Head Type: Cap Head Drive Code: Hex Socket Thread Code: Machine Thread Screw Tip: Flat Point Finish: Blue Zinc Demension: Drawing or Samples OEM Service: Acceptable Features: Good anti-corrosion ability Certification: ISO9001:2008, SGS, RoHS, Bureau Veritas Self-Clinching Fasteners Nuts Studs Metarial : Carbon Steel(1022,1018)SS(304,302,316,410) Standard : DIN, ANSI, JIS, BSW Diameter :M4 M5 M6 Length :3-10mm Head Shapes :Hex Head, Pan Head, Flat Head, Wafer Head, Truss Head, Pan Frame Head Drive Type : Phillips,Slotted,Complex, Torx, Pozidrive, Square,Hex thread Code : Machine Screw Finish: Plain, Zinc Plated, Black/Grey Phosphated, Nickel, Dacromet etc. Features : Good anti-corrosion ability Dimension: Drawing or Sample Certification: ISO9001:2008, SGS, ROHS, BUREAU Veritas After-sale services : If there are any quality problems, please contact with us at once