SKU: 16958002729

Bosch MS4091 91 Piece Drilling and Driving Mixed Accessory Bit Set for Wood Metal and Masonry Professional Grade Fastening Solutions with Hard Case

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Description

Bosch MS4091 91 Piece Drilling and Driving Mixed Accessory Bit Set for Wood Metal and Masonry Professional Grade Fastening Solutions with Hard CaseThe Ultimate All In One Solution: Bosch 91 Piece Professional Drilling and Driving Mixed Bit Set The Bosch MS4091 91 Piece Drilling and Driving Mixed Bit Set is the definitive accessory kit for professionals and serious DIYers who demand versatility and convenience. This comprehensive collection features a high performance selection of driver and drill bits engineered to tackle virtually any general fastening or drilling task. Whether you are working

The Ultimate All-In-One Solution: Bosch 91-Piece Professional Drilling and Driving Mixed Bit Set

The Bosch MS4091 91-Piece Drilling and Driving Mixed Bit Set is the definitive accessory kit for professionals and serious DIYers who demand versatility and convenience. This comprehensive collection features a high-performance selection of driver and drill bits engineered to tackle virtually any general fastening or drilling task. Whether you are working with wood, metal, or masonry, this set provides specialized solutions for every material. The included drill bits feature precision-engineered split tips that prevent "walking" and ensure clean, easy starts on even the hardest surfaces, while the driver bits are designed for maximum gripping power to reduce cam-out and protect screw heads from damage.

Organization and durability are at the heart of the MS4091 set. All 91 pieces are housed in a heavy-duty, impact-resistant hard case that makes tool management effortless on the jobsite or in the workshop. The kit includes a wide range of bit sizes, from 1/16" to 3/8", ensuring you always have the right fit for the task at hand. Beyond just bits, the set provides a variety of essential accessories that solve everyday drilling and fastening challenges in one portable package. Built to Bosch's rigorous quality standards, these bits are forged for long-lasting strength, making this set a reliable investment for any project involving furniture assembly, home repair, or professional construction.

Key Features

  • Comprehensive 91-Piece Kit: Features a massive selection of high-quality driver bits, drill bits, and specialized accessories.
  • Multi-Material Performance: Includes specialized bits designed specifically for high-efficiency work in wood, metal, and masonry.
  • Precision Split Drill Tips: Engineered to provide fast, easy drilling starts and prevent bit wandering during initial penetration.
  • Enhanced Bit-Gripping Power: Driver bits are precision-machined to ensure a secure fit, significantly reducing screw head damage.
  • All-In-One Convenience: Eliminates the need for multiple sets by providing all necessary fastening and drilling solutions in one box.
  • Rugged Storage Case: Heavy-duty hard shell case keeps bits organized, secure, and ready for transport between jobsites.
  • Professional Durability: Forged from premium materials for increased strength and longer accessory life under heavy use.

What's Included

  • (34) Driver Bits: Phillips, Slotted, Pozidriv, Torx, and Hex
  • (30) Drill Bits: Masonry, Metal (HSS), and Brad Point Wood Bits
  • (8) Nut Setters
  • (1) Magnetic Bit Holder
  • (1) Countersink
  • (1) Ratcheting Screwdriver Handle
  • (1) Telescoping Magnetic Pick-Up Tool
  • (15) Additional Miscellaneous Drilling and Driving Accessories
  • (1) Heavy-Duty Hard Storage Case

Specifications

Brand Bosch
Model Number MS4091
Total Piece Count 91 Pieces
Drill Bit Size Range 1/16" to 3/8"
Primary Material Compatibility Wood, Metal, Masonry
Bit Material High Speed Steel / Carbide Tipped
Case Type Hard Impact-Resistant Plastic
Assembled Weight 3.84 lbs.
Package Width 12.0 in.
Package Height 2.5 in.
Warranty Lifetime against Manufacturer's Defects

Pro-Tip: When drilling into metal, always use a lower speed and apply a drop of cutting oil to the tip of your HSS bit. This reduces heat friction, prevents the bit from dulling prematurely, and ensures a cleaner hole every time.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 16958002729

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beu2full
Birmingham, US
★★★★★ 4
Lovely earrings
Color: Silver, Size: 20-30-40mm
These earrings are thicker than what I wanted but they are so lovely and packaged so nicely that I am not going to return them. I will gift them to someone instead.
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Reviewed in the United States on February 22, 2026
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Amanda
Pawtucket, US
★★★★★ 5
Very comfortable and light weight
Color: Gold, Size: 30-40-50mm
For what I would spend for one pair, I got three. Not knowing what size I wanted, I chose the three pack and I am glad that I did. I generally only wear stud earrings because of the weight and I don't like things dangling and touching me. So far, I have only used the smallest pair and like them. They are big for me but for most people probably wouldn't feel all that large. I am not certain that I will use the medium or large pairs but maybe some day I will feel dangerous. If you aren't sure what size you will feel comfortable with, I would suggest this package and try them all to see what your style might be. They are a good value and are light weight.
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Reviewed in the United States on June 25, 2024
N
Verified Purchase
NAIROBY PERALT
Lexington, US
★★★★★ 5
Muy bueno
Color: Gold, Size: 30-40-50mm
Me gustó mucho el material y se puede echar perfume y no se negro
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Reviewed in the United States on February 1, 2026
N
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Norma Calabrese
Omaha, US
★★★★★ 5
Good quality
Color: Gold, Size: 20-30-40mm
👍
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Reviewed in the United States on January 20, 2026
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Sharon
Grantham, US
★★★★★ 3
Earrings tarnished.
Color: Silver, Size: 20-30-40mm
Very pretty. until I used jewelry cleaner to remove the tarnish. Says they are tarnish resistant. Not True. Had to throw away one pair that turned black. Very unhappy about that, because I really liked the earrings.
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Reviewed in the United States on August 21, 2025

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