ประแจหกเหลี่ยม หรือ ประแจแอล (Alen

Hex wrench or spanner L. (alen or hollow set-screw wrench) wrench used for Blackburn rounded head screw made public. Knowing hexagon. Which is used for fine work such as bolts (set-screw).The hexagon-shaped and hardened l equal size at both ends and at the head of the bolt hole size is related to the torque the screws do so. Must be in accordance with Article L. wrench is used to fit the force.Not to damage the screw thread
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Hexagon wrench or wrench l (Alen or set-screw Hollow Wrench) wrench used for the round head screw salok global. A hexagonal hole, which is used for special tasks, such as bolts, adjust the work piece (set-screw) The hexagonal shape and hardened Make an L size at the end of both sides are equal and equivalent standard-sized hole carved heads associated with the torque per screw. The messages must be careful in using LG wrench is the fit of the labour. Screw must not cause damage to the spiral with
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The Hex nut driver or a shake (Alen Hollow or set-screw Wrench) to be used for the fair สลก thread that makes a round hole in the middle is a hexagon which is used for special events such as the screw adjust pieces (set-screw).a hexagon with a damp cloth, and make a hard size L End on both sides as much as possible, and standard-size with the holes on the head latch associated with the torque to make the thread, so the need to be careful in the use of the fair is the perfect fit for the use of force.The thread must not be damaged, twisted with