Low cost,not rusting,corrosion resistance,aging resistance,good toughness,large load.Produce by pentagon set and the pentagon article can firmly fastened in drilling,screw.The plum flowershape design with screw in low tooth firmly together.Low environmental protection material expansion can set between(40-to+81) degrees to keep good performance.
Low cost,not rusting,corrosion resistance,aging resistance,good toughness,large load.Produce by pentagon set and the pentagon article can firmly fastened in drilling,screw.The plum flowershape design with screw in low tooth firmly together.Low environmental protection material expansion can set between(40-to+81) degrees to keep good performance.
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