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  3. IRWIN 1890708

IRWIN 1890708 Oal Power Drill Wood Boring Installer Bit 5/16 X18

1890708 Irwin Qty 2 5/16 Inch X18 Oal Power Drill Wood Boring Installer Bit

( Brand: Irwin ), ( Type: Drill Bit ), ( Unit Type: Unit ), ( Manufacturer Part Number: 1890708 ), ( Country Of Origin: United States )

Review IRWIN Qty 5/16 Inch X18 Oal Power Drill Wood Boring Installer Bit

Introducing the Irwin Marathon Plus 5/16-inch x18-inch Oil-Annexed (OAL) Power Drill Wood Boring Installer Bit (model number: 1890708). This high-performance bit is meticulously engineered to deliver superior results when drilling through hardwood, making it an indispensable tool for carpentry, furniture making, and other woodworking projects.

Crafted with precision, the Irwin Marathon Plus Wood Boring Bit boasts a 5/16-inch shank that securely fits most standard power drills, ensuring a stable and efficient drilling experience. The bit's length is extended by 18 inches via an oil-annexed design, allowing for deeper penetration into thicker wooden materials without the risk of bit walking or wandering.

At its core, the Marathon Plus Wood Boring Bit features a robust, heat-treated steel construction, providing unmatched durability and resistance to wear and tear. The bit's cutting edges are precisely sharpened for optimal drilling performance, and its flutes are designed to efficiently evacuate chips and debris, preventing clogging and minimizing the need for frequent bit changes.

One of the most notable advantages of the Irwin Marathon Plus Wood Boring Bit is its oil-annexed design. This innovative feature ensures that the bit's shanks are consistently lubricated during use, reducing friction and heat build-up, which in turn prolongs the bit's lifespan and enhances its overall drilling efficiency.

Additionally, the Marathon Plus Wood Boring Bit comes with an ergonomic, easy-grip handle that offers superior comfort and control during operation. The bit's smooth, chrome-plated finish not only looks great but also resists rust and corrosion, ensuring long-lasting use.

In summary, the Irwin Marathon Plus 5/16-inch x18-inch Oil-Annexed Wood Boring Installer Bit (model number: 1890708) is a high-performance, long-lasting, and versatile tool that is essential for any serious woodworker. With its robust construction, efficient design, and user-friendly features, this bit delivers outstanding results when drilling through hardwood, making it an indispensable addition to your toolbox.

Irwin 1890708 5/16 x18 OAL Power Drill Wood Boring Installer Bit: A Detailed Analysis

The Irwin 1890708 5/16 x18 OAL power drill wood boring installer bit is a specialized tool designed for drilling pilot holes in wood for various applications, including cabinetry, furniture, and decking. Let's examine its key features, advantages, and disadvantages to help you make an informed decision.

Features:

1. 18-inch overall length (OAL) for increased reach and leverage

2. 5/16-inch drill bit shank for compatibility with standard power drills

3. Self-centering tip for accurate alignment and reduced splitting

4. Two-piece design for easy replacement of the carbide tip

Advantages:

1. Improved accuracy: The self-centering tip ensures that the bit starts drilling in the center of the hole, reducing the chances of misalignment and splitting.

2. Enhanced durability: The carbide tip is resistant to wear and tear, allowing for longer use before needing replacement.

3. Increased reach: The longer length of the bit provides better access to hard-to-reach areas, such as the corners of cabinets or the center of thicker pieces of wood.

4. Versatile: This bit can be used for a variety of applications, including installing screws, cabinet doors, and other hardware.

Disadvantages:

1. Limited compatibility: This bit is specifically designed for use in wood and may not be suitable for other materials, such as masonry or metal.

2. Higher cost: Compared to standard drill bits, wood boring installer bits tend to be more expensive due to their specialized design and materials.

3. Requires a powerful drill: The longer length and size of the bit may require a more powerful drill to ensure efficient and effective drilling.

Conclusion:

The Irwin 1890708 5/16 x18 OAL power drill wood boring installer bit is a valuable addition to any woodworking toolkit. Its self-centering tip, durable carbide tip, and longer reach make it an efficient and accurate tool for drilling pilot holes in wood. However, its higher cost and limited compatibility with other materials should be considered before making a purchase.

Recommendation:

If you frequently work with wood and require accurate and efficient drilling, this bit is an excellent investment. Its self-centering tip and increased reach make it a versatile and valuable tool for various woodworking projects. However, if you only occasionally work with wood or prefer a more general-purpose drill bit, this specialized tool may not be necessary for your needs. Ultimately, consider your woodworking projects and budget before deciding whether the Irwin 1890708 5/16 x18 OAL power drill wood boring installer bit is the right choice for you.

part # 1890708 prices

  • $15.00-$30.99

specifications drillnubbin:

  • brand: Irwin
  • type: Drill Bit
  • unit type: Unit
  • manufacturer part number: 1890708
  • country of origin: United States

offer drillnubbin:

  • started: October 23, 2025
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • options: Ship-to-home

seller drillnubbin:

  • # reviews: 19243
  • rating: 99.3%

shipping drillnubbin:

  • carrier: USPS
  • cost: $0.00
  • class: Standard
  • transit: 2-6 Days
  • type: Fixed
  • service: USPS Ground Advantage

returns drillnubbin:

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

payments drillnubbin:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

general drillnubbin:

  • Tools Workshop Equipment > Power Tool Air Tool Accessories > Drill Bits
  • condition: Open box
type: drill bit, unit type: unit, country of origin: united states,
category: home & garden > tools workshop equipment > power tool air accessories > drill bits, sku: 7766299595978761,

Irwin 1890708 Is Similar To:

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5 offers $15.00–$30.99 USD
  • Offer #1: $30.99 price + free delivery = $30.99* total. Buying a lot of 3 each.FREE SHIPPING
  • Offer #2: $15.00 price + $5.97 delivery = $20.97* total. With a durable construction and a length of 18 inches, this drill bit is suitable for a variety of applications in both commercial and residential settings The Irwin 5/16 18-inch Installer Power Drill Bit is a high-quality tool designed for drilling and wire pulling in both wood and other materials.+$5.97 shipping
  • Offer #3: $19.99 price + $11.35 delivery = $31.34* total. With a length of 18 inches, these drill bits provide ample reach and depth for various projects around the home and garden The Lot of 2 Irwin 5/16" x 18" Wire Pulling Installer Drill Bits are high-quality drilling accessories designed for power tools.+$11.35 shipping
  • Offer #4: $20.49 price + free delivery = $20.49* total.FREE SHIPPING
  • Offer #5: $11.99 price + free delivery = $11.99* total. Get your hands on this new IRWIN wood installer bit today! With a length of 16 inches and a diameter of 5/16 inches, it is perfect for drilling holes in wood for wire pulling and other projects.FREE SHIPPING