SDS (Slotted Drive System)
Hammer-drill bit shank standard
Episodes
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#5091: Hex vs Round Shank: When Drill Bit Footprints FailWhy small hex bits snap, big reduced shanks twist, and what actually works for precision drilling. -
#5053: Inside Daniel's Drill: Clutch, Gears, and HammeringWhat actually changes when you twist a drill's selector ring? We open the housing on a Bosch GSB 120 LI to find out.