Specification and type of screwdriver
Screwdriver in electrical maintenance, disassembling objects of daily has a wide range of application, light weight and convenient screwdriver easy to carry, simple operation, is a lot of maintenance personnel and essential household toolkit. So what is a screwdriver? What kind of the specifications of the screwdriver and are there? Qingdao Jimo spend low price, using range is very wide.
Screwdriver introduces a turn to twist screws to force the tools in place, usually with a thin wedge head, can insert the slotted screw head or notch, which is also called "screwdriver". Mainly a word (minus) and cross (plus) two kinds. Common and hexagon screwdriver, includes both hex and hex.
Screw batch of specifications
1. A word screwdriver model is represented as bit width * tool rod. 2 x 75 mm, for example, says segment width is 2 mm, length is 75 mm (length).
2. Cross screwdriver model expressed by the size of the cutting tools * tool rod. # 2 x 75 mm, for example, say head for no. 2, metal bar length is 75 mm (length). Some manufacturer to PH2 said 2 #, practical for the same.
3. General cross screwdriver models of 0 #, 1 #, 2 #, 3 # roughly corresponding word screwdriver specification for 3, 5, 6, 8
