Q:What's the wrench for removing the cast iron radiator?

Tool hammer, flat shovel is necessary etc..Ordinary cast iron radiators are divided into two kinds, one is called big 50, one is called "five small and zero", and their height is not the same, just 50 centimeters. As for disassembly and assembly, there are special tools (we call drum key here), it is recommended that you go to find a special plumber to help you assemble and disassemble, if you secretly get, not only you can not open, but also easy to leakage Oh ~ ~!

Q:Big art electric wrench which should be better?

Jiangsu arts best models are two, one is 2101-2, and one is 2103-2. The model's front four digit proxy model, the latter -2 represents the battery pack capacity, and the -2 is a large capacity battery pack.

Q:Inside the six angle wrench, if required to black appearance, generally do what processing, wear and rust prevention effect will be better? How about the cost?

In addition, the plating black nickel or black chromium can also achieve your appearance and wear-resistant effect, but the cost is very high, I have not seen such products.

Q:What is the difference between worm gear and worm wheel?

To determine who is worm gear and worm, as long as the main component can be the worm, and the follower is worm gear, because the worm gear drive has self-locking characteristics. The parts in the wrench in thumb rotation adjustment of jaw opening is a worm, because it can move the spanner opening is not as active.

Q:What's the manual wrench?

The manual also called ordinary spanner wrench, mainly used in the ordinary life and work, it is very simple to use, mainly divided into single head wrench, double wrench spanner wrench, wrench, socket wrench, sleeve wrench, a screwdriver, torque wrench, torque wrench, wrench, ratchet wrench, cross hook wrench, inner six angle wrench, square wrench, manual clutch torque wrench, pipe wrench, T type wrench, L type wrench, spanner, crescent wrench, trigeminal drum wrench, tire wrench, spark plug wrench, wrench wrench, wrench and other combination. The torque wrench is divided into a sound wrench, a pointer wrench and a digital wrench.

Q:What's wrong with a rechargeable wrench without strength?

Impact electric wrench is mainly the initial bolt, and its use is very simple, that is, pointing bolt, pull the power switch on the line. The electric torque shear wrench is mainly end tightening, torsion scissors type high-strength bolt, and its use is to bolt the power switch, until the twist scissors type high-strength bolt plum head interrupted. The electric fixed torque wrench can be both tight and tight at first. Its use is to adjust the torque first, then tighten the bolt. The electric angle wrench is also a kind of fixed torque wrench. Its use is to adjust the degree of rotation first, and then tighten the bolts. The electric angle wrench is an electric spanner specially used for fastening the angle bolt of the steel frame, and the electric wrench is the same as the electric wrench

Q:What occasions can plum blossom and permanent spanner be applied to?

Are used to screw out six angles, head bolts or nuts.The difference is that the mechanical hand (which should be called the fixed plate hand) is more convenient to operate, suitable for narrow space and little force.The corner of the plum blossom hand is smaller and can be used only in the small swing angle (just turn the corner of the 1/2 of the hand board), and because of the large surface, it can be used for tightening tightly.

Q:The difference between brush and brush in rechargeable electric wrench

Theoretically, the life of a brushless electric wrench can be up to 20 years. Brushless electric wrenches no longer use gear reducers, thus avoiding the loss of efficiency in gear transmission, making the efficiency up to 80-85%, and greatly reducing noise.

Q:What do you mean by the 6.3mm and 10mm series of socket wrenches?

Manual wrench sleeve: square hole 6.3mm, 10mm series, s refers to the basic dimensions refer to: D1, D2, diameter, length: ordinary type, extended type, torque series: C Grade A, torque test.

Q:The process of making an ordinary open-ended wrench requires material and heat treatment

Open wrench production method: wrench outline drawn, a stretch just fine.A wrench is used for rotating with thread binding elements (such as bolts, nuts and other hand tools), including at least six angle wrench can rotate six angle bolts, the fixed wrench to rotate six angle or six angle head nut, wrench, spanner, wherein the fixed and movable spanner wrench because have an opening, it is referred to as the wrench, however, is sometimes limited by the use of the occasion, the wrench can not rotate continuously, when the application of force to rotate an angle, must be temporarily taken out from the binding element, and then reset with binding element, again force the rotating spanner, however, so the operation the way is quite troublesome, often need to go through a series of repeated operation, to complete the binding element removal or screw fixation. In order to improve the existing wrench operation, sometimes not lack of continuous rotation needs to be taken out, the utility model aims to provide a direct reverse rotation, continuous operation with convenient wrench.