Selftapping screws, chipboard screws, self drilling screws, all kinds of stainless steel screws, supporting machining parts.
自攻螺钉，纤维板螺钉，墙板螺钉，钻尾螺钉和各种不锈钢螺钉以及为各企业配套的机加工零件。
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ABSTRACT: Objective To compare the biomechanical characteristics by designing newly manufactured cortex selftapping interlocking screw matched with interlocking nail.
目的设计与新型髓内钉相配套的双皮质自攻螺纹交锁螺钉，并对其生物力学性能进行对比研究。
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This company mainly produces various series of drilling screw with tapping screw dry wall screw fiber board screw self - tapping screw machine screw all kinds of non-standard goods.