Impact-Grade Square Tip Chuck Drivers

The distinctive blue color of these chuck drivers is your assurance that they can withstand the kind of impact driver stress characteristic for each fastening application. And all Malco Impact-Grade insert and power bit chuck drivers are precisely machined for positive, fail-proof engagement of the fastener head. These Square tip selections feature unique high-torque steel construction and a design that absorbs and dissipates impact-driver-induced stress at peak loads.


  • Unique high torque steel construction.
  • Absorbs and dissipates impact driver stress.
  • Fail-proof engagement of fastener head.


Catalog #DescriptionPoint SizeHex Shank in (mm)Overall Length in (mm)
SD1IPSquare Insert Bit#11/4 (6)1 (25)
SD2IPSquare Insert Bit#21/4 (6)1 (25)
SD1XIPSquare power Bit#11/4 (6)2 (51)
SD2XIPSquare power Bit#21/4 (6)2 (51)



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