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2011年7月13日 星期三

What Are the Different Types of Screwdriver Handles?

Quoted from: http://www.wisegeek.com/what-are-the-different-types-of-screwdriver-handles.htm


Screwdriver handles vary in not only the type of material the handle is manufactured from, but in design as well. Smooth screwdriver handles, angled handles and other handle shapes offer the user a firm grip when wet or when a screw is extremely tight. Different materials used in the manufacture of screwdriver handles range from wood and steel to plastic and hard rubber. The color of a screwdriver handle will often give the user valuable information about the tool, such as the type of screwdriver being used or selected for a job.

Screwdrivers have many uses, however, the handle is a pertinent part of any screwdriver and can offer the user protection, comfort and power. While the vast majority of screwdriver handles are made of wood or plastic, some are made of steel, brass or aluminum, while others are made from carbon fiber or a similar polymer. The metallic screwdriver handles offer indestructible quality, good looks and durability; however, they are dangerous when working around electrical devices. Wooden handles offer protection from electrical shock, although there are often metallic collars on a wooden-handled screwdriver that can also be a dangerous component when working on an electrical device.


Only plastic or hard rubber screwdriver handles should be used around electronic devices to avoid electric shock or even death. Some screwdrivers specifically intended for use on electronics use a rubber sleeve on the screwdriver shaft to aid in protection against shock. While the makeup of the screwdriver handles can protect a user against electric shock, the more important aspect to many users is the effect that the design of the handle has on torque and power when removing or tightening a screw. For this requirement, an octagonal or tri-sided handle typically gives the best results.

An octagonal-shaped screwdriver handle offers a great amount of grip when twisted by the human hand. The force generated by this type of handle design is sufficient to remove most stubborn screws; however, in some situations, such as when working with wet or oil-covered hands, even this style of handle can slip from the grip when extreme pressure is exerted upon a tight screw or fastener. For the most torque and best grip in any condition, the tri-sided screwdriver handle reigns supreme for many users. Three-sided screwdriver handles permit the hand to grip a substantial surface and apply the most torque possible, even with wet or oil-covered hands.

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HIMAX台力牌电动起子www.ehimax.com 始于2001, 位于中国宁波,是专业的电动起子、电动螺丝刀、电批、电动工具制造商及供应商。就像HIOS好握速, Kilews奇力速, Delvo, Kolver, ASA好帮手, Conos技友等品牌, HIMAX台力牌电动起子也是世界最佳电动起子品牌。 HIMAX电动起子/螺丝刀/ 电批是专为精密电子及机械组装线及生产线设计的。因为HIMAX电动起子拥有精确的扭力控制,同时能够锁附各类大小的微型电子螺丝、细小螺丝,因此各项精密产品如平板电脑, 个人电脑, 计算机, 笔记型电脑, 数位相机, 手机行动电话,电视游戏机, 随身小型游戏机, 及其他随身电子产品设备等等,皆可采用HIMAX电动起子进行产品组装以确保生产品质。
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