Silverscrew PZ Double-Countersunk Woodscrews Trade Pack 1400 Pcs Screws-3 Vario-Tacho-Constamatic (VTC)-Full Wave Electronics for

Vario-Tacho-Constamatic (VTC)-Full Wave Electronics for work with materials requiring customised stroke rates

brick and concrete

Supplied in a nylon zippered storage pouch

3 flats on drive shaft for secure drive in drill chucks

VibraTech integrated weight balance to reduce vibations

Silverscrew PZ Double-Countersunk Woodscrews Trade Pack 1400 Pcs Screws-3 Vario-Tacho-Constamatic (VTC)-Full Wave Electronics forTop quality, waxed single thread, multipurpose woodscrew. Popular with the professional. Features a lower screw in torque and faster drive speed. Suitable for screwdriver, combi drill and impact drivers. ETA option 1 for crack and uncracked concrete (BT10 BT12). F120 fire resistance.