Slotted Knurled Thumb Screws

Slotted Knurled Thumb Screws Material Carbon steel Dimension As customer's requires Screw head knurled head Finish Zinc plated Grade 4.8 Features Good anti-corrosion ability Certification ISO9001:2008, SGS, RoHS, Bureau Veritas After-sale service If there are any quality problems, please contact with us at once We are the professional Manufacturer of Fasteners, since 1999, ISO, RoHS, SGS, Bureau Veritas Certificated, one hour reach Ningbo port, this is how we keep good