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1·Double safety unit prevents screw tap from wearing out.

二重安全离合器装置能防止丝攻之折损。

2·Blade tools: eyebolt, turning tool, Allen key, screw tap, milling cutter, drill bits, etc.

刀刃工具类：埃令螺丝(吊环)、圆车刀、六角匙、丝攻、铣刀、钻咀等。

3·At present, screwdriver and screw tap are hardware which is often used in machining factory.

目前，在机械加工工厂里，螺钉旋具和丝锥是较为常用的两种五金工具。

4·The utility model relates to a screw tap used in the manufacturing of a clip of a bridge prestressing force anchor holder.

本实用新型涉及一种桥梁预应力锚夹具的夹片制造用丝锥。

5·The structure and working principle of a screw tap holder is introduced, and the design calculation of its main parts is presented.

介绍了快换丝锥夹头的结构、工作原理和主要零件的设计计算。

6·there has no screw thread on the installation hole on head of water-cooling. It's difficult to install it by the screw tap which along the products.

产品有以下缺陷：水冷头上的安装孔没有螺纹，用配带的自攻螺丝安装非常困难。

7·LW—2 bench style universal cutter grinder is used for grinding normal cutter such as various kingds of milling cutters, reamers, lathe tools, planning tools, screw tap and shaving drill ect.

LW-2 台式万能刀具刃磨床主要用于刃磨普通刀具， 如各类型铣刀、铰刀、车刀、刨刀、丝攻、锪钻等。

8·LW—2 bench style universal cutter grinder is used for grinding normal cutter such as various kingds of milling cutters, reamers, lathe tools, planning tools, screw tap and shaving drill ect.

台式万能刀具刃磨床主要用于刃磨普通刀具， 如各类型铣刀、铰刀、车刀、刨刀、丝攻、锪钻等。

9·Therefore, the overthread screw tap can be matched with a pneumatic wrench having regular hexagonal holes via insertion, and the overthread screw tap has the advantage of high work efficiency.

其扭力段由正四棱柱形改为正六棱柱形的，这样可以与有正内六角孔的风动扳手相插配使用，有提高工效的特点。

10·My tap is dripping, I can't screw it tight.

我家水龙头漏水了，我拧不紧了。