matte surface mirror polishing price and packing quantity are as follows:

100MM (4 ") Matt price 6.4 yuan a 100

package size 32X25X15

125MM (5 ") Matt price 6.9 yuan a 100

package size 32X25X15

200MM (8 ") no matte hole price 10 yuan a piece 50

package size 29X29X18

4 professional high frequency welding, perfect combination, never fall off.

socket wrench is by a size ranging from plum blossom cylinder composition, when used with bow shaped handle continuous rotation and high work efficiency. When the screw or nut size larger or the working position of the wrench is very narrow, it can be used as a ratchet wrench. The angle of the wrench is small and can be tightened and loosened. Turn the handle clockwise when tightening. The square sleeve is equipped with a pole. When the handle is pulled to the opposite direction, inclined bar in the ratchet teeth slide out, so it will not follow the reverse screw or nut. If you need to loosen the screws or nuts, just turn the ratchet wrench in the counter clockwise direction.

according to connecting rod mortise and tenon size can be divided into 1 ", 3 / 4", 1 / 2 "and 3 / 8" and 1 / 4 "and other series, commonly used is 1 / 2" and 3 / 8 "and 1 / 4" and other series, and the corresponding specifications of sleeve together with the use of.
according to the length of long and short connecting rod connecting rod.
as various accessory drive and the sleeve between a connecting accessories, to rotate in the deep concave parts of the bolts and nuts.
material: connecting rod with high quality chrome vanadium steel.
forging: the cold forging technology of die forging, can obtain high precision.
heat treatment: the heat treatment technology of computer control, so as to ensure the stability of hardness.
surface treatment: a fine mist of sandblasting, with anti rust performance is very strong, is also very high.
technical indicators: hardness: HRC40-48
torque: DIN standard is 1.5 times