1. Industrial Hand Tools Items
  2. sku: 5427662737228721
  3. PROTO 4840-R

PROTO 4840-R Drive Screwdriver Bit Socket Phillips Philips 3/8

4840-r Proto 3/8 Inch Drive Screwdriver Bit Socket Lot Phillips Slotted Mixed Industrial

( Brand: Proto ), ( Type: Screwdriver ), ( Manufacturer Part Number: 4840-R ), ( Country Of Origin: United States )

Review PROTO 3/8 Inch Drive Screwdriver Bit Socket Lot Phillips Slotted Mixed Industrial

Introducing the Proto 4840-R 3/8 Drive Screwdriver Bit Socket Set with Philips Bit, a versatile and essential toolkit addition for any DIYer or professional mechanic. This set includes a 3/8 drive screwdriver handle and a Phillips bit socket that securely locks into place, providing ample torque and ensuring a snug fit for optimal performance.

The Proto 4840-R 3/8 Drive Screwdriver Bit Socket Set is meticulously crafted with a durable and corrosion-resistant chrome vanadium steel construction for long-lasting durability. The ergonomically designed handle offers a comfortable and secure grip, allowing for maximum control and precision during use. The socket is designed with a 6-point contact for a more effective and efficient bit engagement, ensuring a secure fit and reducing the risk of stripping or damaging screws.

The bit socket is also equipped with a conveniently located magnet that keeps the bit in place when not in use, preventing it from falling out or getting lost. The set comes with a single Philips bit, but it is also compatible with other standard 1/4 inch and 3/8 inch bits, allowing for flexibility and versatility in various applications.

The Proto 4840-R 3/8 Drive Screwdriver Bit Socket Set is a must-have tool for any automotive, industrial, or home improvement project. Its robust and reliable construction, combined with its ease of use and versatility, makes it an indispensable addition to any toolbox. Whether you're working on a car engine, assembling furniture, or making repairs around the house, the Proto 4840-R 3/8 Drive Screwdriver Bit Socket Set is the ideal tool for getting the job done right.

The Proto 4840-R 3/8 Drive Screwdriver Bit Socket, Phillips version, is a popular choice among DIY enthusiasts and professionals due to its versatility and efficiency in handling Phillips head screws. Here are some pros and cons of buying this screwdriver bit socket:

Pros:

1. Compatibility: The 3/8-inch drive size is a common size for power drills and impact drivers, making this bit socket a great addition to any toolbox.

2. Durability: Proto tools are known for their durability, and the 4840-R bit socket is no exception. It is made of high-quality steel and features a chrome-plated finish for added protection against rust and corrosion.

3. Versatility: The Phillips head bit is one of the most commonly used screwdriver bits, and having a socket version makes it easier and more efficient to apply torque when tightening or loosening screws.

4. Magnetized: The bit socket is magnetized, which helps keep the bit in place when changing bits or working in hard-to-reach areas.

Cons:

1. Limited to one bit: The Proto 4840-R 3/8 Drive Screwdriver Bit Socket only comes with a single Phillips head bit. If you need other types of bits, such as flathead or torx, you will need to purchase them separately.

2. Size and weight: The bit socket is slightly larger and heavier than some other options on the market. This may not be an issue for most users, but it could be a consideration for those with limited toolbox space or who prefer lighter tools.

Conclusion:

The Proto 4840-R 3/8 Drive Screwdriver Bit Socket, Phillips version, is a valuable addition to any toolbox due to its compatibility with common power tools, durability, and versatility. While it only comes with a single bit, the magnetized socket and high-quality construction make it a worthwhile investment for those who frequently work with Phillips head screws. Overall, we recommend this bit socket for anyone in need of an efficient and reliable solution for working with Phillips screws.

part # 4840 prices

  • $12.00-$44.87

specifications tooltisho:

  • brand: Proto
  • type: Screwdriver
  • manufacturer part number: 4840-R
  • country of origin: United States

offer tooltisho:

  • started: April 21, 2026
  • sold: 0
  • quantity: 1
  • best offers: True
  • options: Ship-to-home
  • availability: In Stock

general tooltisho:

  • condition: Used
  • Light Equipment Tools > Hand Tools > Other Hand Tools

seller tooltisho:

  • # reviews: 951
  • rating: 99.6%

payments tooltisho:

  • other
  • wallet: Paypal
  • credit card: Mastercard

returns tooltisho:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back

shipping tooltisho:

  • carrier: USPS, UPS
  • service: USPS Ground Advantage, UPS Next Day Air Saver
  • transit: 3-7 Days
  • cost: $6.89
  • type: Calculated
  • class: Standard, One-day
type: screwdriver, country of origin: united states,
category: business & industrial > hand tools, sku: 5427662737228721,

Proto 4840 Is Similar To:

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3 offers $12.00–$44.87 USD
  • Offer #1: $44.87 price + $7.37 delivery = $52.24* total. All pieces appear functional but are sold as-is as a mixed lot. Mixed lot of 3/8" drive screwdriver bit sockets.+$7.37 shipping
  • Offer #2: $12.00 price + $5.50 delivery = $17.50* total.+$5.50 shipping
  • Offer #3: $12.99 price + free delivery = $12.99* total. Solid Tool In Good Used Condition.FREE SHIPPING