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By certification 
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
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
