If you want one compact kit that covers common drilling and fastening jobs, the BOSCH MS4091C 91-Piece Drilling & Driving Mixed Bit Set is built for all-in-one convenience. It combines driver bits and multiple drill-bit styles so you can switch from driving screws to drilling in wood, metal, or masonry without hunting for separate sets.
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This set focuses on practical, everyday coverage: driver bits designed to lessen damage to screw heads, split drill bit tips for easier starts, and a hard case for secure storage. You also get helpful accessories like a bit holder, a countersink, a ratchet screwdriver, and a 25-1/2″ magnetic extension pen for added reach and control.
91-piece mixed set for drilling and driving in wood, metal, and masonry
Includes driver bits plus titanium drill bits, rotary masonry drill bits, and brad point bits
Driver bits designed to lessen damage to screw heads for cleaner fastening
Split drill bit tips provide easier drilling starts
All-in-one convenience with accessories (bit holder, countersink, ratchet screwdriver, magnetic extension)
Hard case provides secure, organized storage
What’s included (highlights): a wide selection of 1″ insert bits and 2″ power bits (including Phillips, Pozidriv, square/recessed, slotted, Torx, and hex), multiple nut setters, titanium drill bit sizes (from 1/16″ up to 1/4″), rotary masonry drill bit sizes (up to 3/8″), and brad point bit sizes (up to 3/8″).
