Drilling / Fastening Acc

SDS Plus drill bits have 4 grooves (2 open grooves, 2 closed). The reason that SDS Plus drill bits have 4 grooves is to support the extra torque that the SDS Plus drill provides. They have a 10mm shank which is inserted 40mm into the tool holder (chuck).

This high quality, general purpose, precision Industrial Metal Double Ended Stub drill bit is best suited for intermediate skilled level users. - Made of High Speed Steel - Precision ground - Split point to prevent bit wandering - Specifically for use in thin metal sheets