Screwdriver Bit Holders and Extensions

MRO screwdriver bit holders are made with high quality steel and are used throughout the aviation industry. With MRO bit holders, you get economy and flexibility. MRO bit holders feature quality, select raw materials and only high grade tool steel. Each MRO bit holder is manufactured to the tightest tolerances in the industry. Closer tolerances also mean a better fit and less cam-out or stripping, which in turn keeps work areas free of damage and reduces incidence of bit failure and costly re-work. MRO Extensions have hex tolerances that are on average 48% tighter than DIN and 35% tighter than ANSI requirements. With MRO Extensions you are assured of an exact, sure fit. All MRO Extensions have the tightest tolerances for straightness and concentricity in the industry.