DO YOU REALLY KNOW ABOUT SCREWDRIVER? THE PROFESSIONAL SUGGESTION FROM FIXMAN

We are professional tool manufacturer since 1995. Our brand, Fixman is the leading brand in tool field. FIXMAN focus on professional tools in automotiveconstructionindustrial, and home use field. At present, FIXMAN registered in 138 countries and areas and sell to 60 countries and areas. We provide a variety product range of over 6,000 items and there are more than 1,000 global network stores that are selling different kinds of FIXMAN Products.

 

旋具

 

screwdriver

A tool used to turn a screw to force it into place,

The Beijing-Tianjin area is called a screwdriver, and there are screwdrivers and screwdrivers in the south.

1. Classification of screwdrivers:

A: From the handle to classify: color bar handle screwdriver and injection handle screwdriver

B: Divided from the shank: ordinary square shank and ordinary round shank

C: According to the head: one character, cross, rice character, square, hexagon, flower type (T type)

D: According to others: ordinary, electric screwdriver, insulated screwdriver

2. Material of the screwdriver:

A: From the handle: PVC ABS PP TPR wooden handle

B: In terms of the tool bar

A3 steel 45# carbon steel 40CRV 50CRV 6150CRV S2 chromium molybdenum steel

3. Processing technology:

A: Tool bar: Breaking material-(centerless grinding)-Cutter head (double head)-Punch head-

Cutting edge-(grinding both sides-embossing)-cutting-cutting-pure fire-sandblasting-electroplating

Handle: one-time molding, two-time molding, three-time molding

4. Common quality problems:

A: Poor electroplating (plating layer peeling off, spots, rust)

B: The arbor is skewed C: The handle has burrs

D: Wrong color E: Insufficient hardness of the tool shaft, insufficient torque: 6150# HRC 54±2

F: Poor printing on the handle F: Poor magnetization of the cutter head: The head must be able to attract small nails

G: The head cannot pass the plug gauge (a measuring tool used to measure the diameter)

 

5. Precautions for screwdriver use:

(1) It is forbidden to hit a screwdriver with a non-penetrating handle with a hammer;

(2) Live operation of ordinary screwdrivers is prohibited;

(3) According to the head of the screw to be tightened or loosened

Choose an appropriate screwdriver for the width and shape of the groove;

(4) It is forbidden to use a screwdriver as a crowbar;

(5) Prohibit the handle from being immersed in oil for a long time;

6. Watch screwdriver


Post time: Aug-19-2021