No load speed : 11500-30000 rpm power input : 1600 w voltage : 220-240 v. Tools centre is a leading supplier of stainless steel fasteners for more then four decades. It stands proved that the initial higher cost is more then justified in terms of longevity, freedom from rust and corrosion, easy to remove and reuse over and over again and provides perfect safe preservation of the conjoined parent components that the ss bolt and nut helps to bind firmly together.