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JIS seng dilapisi Self Drilling Screw grosir
•Sekrup self-drilling mbisakake pengeboran tanpa nggawe bolongan pilot.
• Sekrup iki biasane digunakake kanggo nggabungake bahan kaya sheet metal.
•Sekrup self-drilling mbisakake pengeboran tanpa nggawe bolongan pilot.
• Sekrup iki biasane digunakake kanggo nggabungake bahan kaya sheet metal.