Bosch MS4091C 91-Piece Drilling & Driving Bit Set (Wood/Metal/Masonry)

What people love (and don’t love)

What people love

Includes a wide variety of bits suitable for wood, metal, and masonry applications.
High-quality bits that hold up well over time, providing good value.
Includes useful extras like multiple Phillips #2 bits, metric hex bits, and a ratcheting screwdriver.
Secure case with tightly latching plastic and rubber bit holders to keep everything in place.
Well-organized drill bits arranged by material and size for easy selection.
Affordable price for a comprehensive and professional-grade set.

What people don’t love

Driver bit layout feels scattered, making quick selection more difficult.
Bit holders and case slots are both very tight, which may make bit removal frustrating.
Includes some rarely used bits that might be unnecessary for practical users.

A versatile and well-made bit set that offers great value but could improve in organization and ease of access.

Summary based on customer review evidence.

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Quick facts

Brand: ‎Bosch
Price: USD 27.69
Rating: 4.60 (6560 reviews)

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.

You can view the current price and full details on Amazon here.

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″).