Drilling / Fastening Acc

5PCS Masonry drill bit set

Chuck capacity:1.5-13mm Connection size:1/2″-20UNF With 1pcs adaptor With 1pcs chuck key Packed by colour box

Chuck capacity:0.8-10mm Connection size:3/8″-24UNF With 1pcs chuck key Packed by colour box

Screwdriver bit holder 60mm,2pcs/set Material:Steel + Cr-v

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).

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).