Reversible Ratchet Combination Wrench ANSI DIN Standard Hand Tools

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Reversible Ratchet Combination Wrench

STANDARD：ANSI , DIN

Material:CR-V, 40cr

Finish: mirror polish ,sand blasting，matt

SIZE: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19， 22 mm

Packing:AS your request

Reversible Ratchet Combination Wrench ANSI DIN Standard Hand Tools

Q: The difference between the six corners and the inner six corners of the plum blossom: The six angle bolts are divided by the head, with six bolts in the cylinder head. This is the most commonly used, and it has many kinds. It is made of iron according to the material, that is, the carbon steel and the stainless steel. Stainless steel six angle bolts also have stainless steel, SUS304 and SUS202 and so on. Half round six angle bolts, the head also called the inner six angle bolt. Countersunk six angle bolts, head is flat, and inside is the six corners. There are a variety of national standards are more special, called headless six angle bolts. Is the set screws, we often call the stop screw, set screw. This is the universal name for the headless six corner bolt, but the meaning is the same. Of course, there are also some flower shaped bolts with six angles and plum blossom heads. The use of this relatively small, the market is also basically difficult to see.

Q: Cross tire wrenches, how long easier to use.: It turned out that when we study leverage in peacetime, are light lever based, that is, regardless of lever weight, so the longer the lever, it can also be adjusted, so that the greater the power arm, it will be more labor-saving. But when the leverage is taken into account, the situation changes, and we illustrate it through typical data calculations.

Q: How to choose torque wrench for automobile assembly: The torque wrench used in automobile assembly should pay attention to the following points:1: spanner is durable2: indication stability, good repeatability3: simple structure, easy maintenance4: the price is not too expensive (to use a lot of words to use imported wrench with high price there will be a lot of customer service service issues.)Note: it is recommended to use domestic wrenches, cost-effective, high after-sales service cycle short, easy to use and replacement parts.

Q: What are the differences between electric wrench, pneumatic wrench and torque wrench?: The pneumatic hand wrench, also known as the ratchet wheel, hand and power tool assembly, is primarily a tool for providing high torque output with minimal consumption. It allows a mass object to rotate at a constant speed through a constant power source, and then instantaneously hits the output shaft so that a relatively large torque output can be obtained. Compressed air is the most common source of power, but there are also electric or hydraulic ones.

Q: How about 12 inches in a 12 inch adjustable wrench?: The 12 inches in a 12 inch live wrench refers to a wrench with a length of 12 inches, or about 300mm.

Q: What does "twelve" spanner mean?: The 12 inch wrench has a 30x300 on it, which means the wrench's maximum opening is 30mm and the wrench's length is 300mm (12 inches)

Q: What do you mean by a wrench icon on the dashboard of Chery?: It is maintenance of lights, is to remind you to do the maintenance, if you have no time to maintain, can not control him, for you do not affect the normal traffic, the next time the maintenance to the maintenance personnel to help you eliminate it.

Q: The process of making an ordinary open-ended wrench requires material and heat treatment: If it's not a wrench, then. Material selection carbon tool steel T10A or T12A.

Q: 24, six angle screw with a big wrench?: M24 inner six corner screw, usually use 12 or 14 wrench, specific needs according to the type of screw to determine.

Q: How can the electric drill chuck be removed?: With a suitable size of the pipe, just hold the drill clamp coat, the middle part of the hammer and the shell separation, inside of the thread is two disc, three catch rearranged into thread, plus fixed coat.

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