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由北京市建筑锁厂研制的回PIZ-5双重绝缘电动自攻螺钉钻是一种拧紧、拆卸自攻螺钉的手持式电动工具、具有轻便、高效、安全的特点,其性能达到了日本同类产品的指标。它的研制成功填补了我国电动工具的一项空白(其结构详见本刊第7期43页)。由北京市标准件一厂研制的墙板自攻螺钉,用于石膏板和轻钢龙骨的连接。也适用于电器、仪表、家具等行业。采用自攻螺钉可大大加快施工速度、改善施工质量。但过
The PIZ-5 double-insulated electric self-tapping screw drill developed by the Beijing Construction Lock Factory is a hand-held power tool for tightening and disassembling the self-tapping screws. It is lightweight, efficient, and safe. Its performance has reached similar products in Japan. index of. Its successful development has filled a gap in our country’s power tools (for details of its structure, see page 7 of this issue, page 43). The self-tapping screws for wall panels developed by Beijing No. 1 Standard Factory are used for the connection of plasterboards and light steel keels. Also applies to electrical appliances, meters, furniture and other industries. The use of self-tapping screws can greatly speed up construction and improve construction quality. But before