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1·Usually there are 12 categories which are bolt , stud, screw, nut , self tapping screw, wood screw, gasket, retainer ring, pin, composite member, bolting, and soldering lamp.

它通常包括以下十二类零件：螺栓、螺柱、螺钉、螺母、自攻螺钉、木螺钉、垫圈、挡圈、销、组合件和连接副、焊钉等。

2·A section bar of a self tapping screw for saving drilling hole is provided with high-tightening force, which belongs to the design preparation technical field of the section bar.

可免钻孔上自攻螺丝并具有高紧固力的型材，属型材的设计制造技术领域。

3·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.

公司主要生产各系列的自钻自攻螺钉、干壁钉、纤维板钉、自攻螺钉、机螺钉及各种非标准产品。

4·ABSTRACT: Objective To compare the biomechanical characteristics by designing newly manufactured cortex self tapping 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。

5·Our company specializes in producing many kinds of hard products: drywall screw, chipboard screw, deck screw, wood screw, self-tapping screw, ect.

公司专业生产各种：干壁钉、纤维板钉、甲板螺丝、木螺丝、自攻螺丝等产品。

6·It mainly introduces a new joint technology of self-tapping screw, insert joint after injection molding, snap joint, etc.

重点介绍了自攻螺钉连接、模塑后嵌入的嵌件连接，卡入连接等较新的连接技术。

7·In this dissertation, there are 5 formulas for self-tapping screw connection and resistance spot weld connection.

本文分别对于两种连接类型——自攻螺钉连接和电阻点焊连接，拟合出强度、刚度的计算公式共计5个。

8·This company mainly produces various series of self-drilling screw with tapping screw, dry wall screw, fiber board screw, self-tapping screw, machine screw, all kinds of non-standard goods.

主要生产各系列的自鉆自攻螺钉、干壁钉、纤维板钉、自攻螺钉、机螺钉及各种非标准产品。

9·Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.

不锈钢螺丝系列：内六角螺栓，紧钉螺钉，机螺钉，自攻钉，马车螺丝，膨胀螺丝，吊环螺丝，牙条，开口销，平垫，弹垫等。