Product Review

SPTA RT388AC Advanced Multi-functional Rotary Tool Kit With 388Pcs Rotary Tools Accessories

â–ºCarbon Brush: Play the role of electrical conduction by friction with motor to produce spark, which prolong the service of life of the motor;
According to normal working principle, the carbon brush will wear out, and the motor would stop working after run out of carbon, so it should be replaced regularly.
â–ºSpeed Controller Adjust 6 dials of variable speed freely, meeting your different needs for smart adjustment of output power when operating.
â–ºCopper Cores It is in good conductivity, could reduce resistance and maintain a good working temperature, to extend the motor life.
â–ºStator High-quality thickened silicon steel sheet for impact resistance, stable and quiet operation.
â–ºCapacitanceProtecting the motor during start-up and overload.
â–ºRotor After dynamic balancing test, the stability of high speed operation is improved.
â–ºBall Bearing High-performance bearings provide high-speed operation stability and service of life.

Installation of Bits on Flex Shaft:
1.Remove the shaft collar.
2.Loosen the collet nut.
3.Raise the handle end of the flexible shaft & shake gently until the inner flexible shaft protrudes from the fitting collar.
4.Insert the inner flexible shaft into the collet then tighten the collet nut.
5.Screw the flexible shaft fitting collar onto the rotary tool.
6.Insert the hex key into the hole on the handle.
7.Loosen collet nut then insert shank of accessory into collet.
8.Tighten collet nut by included allen wrench and check all fittings to ensure they are securely fastened.