Grooving Flat Self Tapping Screw used for thin metal pieces and thicker metal pieces or wood products thread connection, Grooving Flat Self Tapping Screw screw into the formation of thread.Use a cruciform screw screwdriver.Materials include carbon steel(4.8,8.8,10.8,12.8),201,304,316
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Grooving Flat Self Tapping Screw used for thin metal pieces and thicker metal pieces or wood products thread connection, Grooving Flat Self Tapping Screw screw into the formation of thread.Use a cruciform screw screwdriver.Materials include carbon steel(4.8,8.8,10.8,12.8),201,304,316