IRWIN 1779139 Speedbor Weldtec Welded Cutting Edge Auger Bit 5/8

( Brand: Irwin ), ( Type: Drill Bit ), ( Material: Steel ), ( Manufacturer Part Number: 1779139 ), ( Application: Cutting ), ( Suitable For: Drill )

Review IRWIN Speedbor 5/8 Inch Weldtec Welded Cutting Edge Ship Auger Bit #1779139

Introducing the Irwin Marathon Plus 5/8 in. Speedbor Weldtec Auger Bit (model number 1779139), a high-performance tool engineered to deliver superior cutting capabilities and extended bit life in various materials, including wood, metal, and composite materials. This auger bit is designed for use with corded and cordless drills, making it a versatile addition to any DIYer or professional's toolbox.

The Weldtec welded cutting edge is a standout feature of this bit. It is manufactured by welding the cutting edges to the body of the bit, ensuring a strong and durable bond. This results in longer bit life, as the edges do not bend or break easily, even when drilling through the toughest materials.

The Speedbor design of this bit ensures efficient and fast hole drilling, with its sharp, spiral-shaped flutes effectively removing chips and debris as you drill. This not only speeds up the drilling process but also reduces the risk of bit clogging, which can save you valuable time and effort.

The Irwin Marathon Plus 5/8 in. Speedbor Weldtec Auger Bit is designed for use with both wood and metal materials, making it a versatile tool for a wide range of projects. It features a hardened, high-carbon steel construction, which provides excellent strength and durability, allowing it to handle the demands of heavy-duty applications.

Additionally, this bit boasts a self-centering tip that ensures accurate and consistent hole placement, reducing the likelihood of drilling off-center or splitting the material. The bit's sturdy, 1-piece design further enhances its durability and provides excellent resistance to twisting and bending.

The Irwin Marathon Plus 5/8 in. Speedbor Weldtec Auger Bit comes with a protective, molded plastic carrying case, which keeps the bit safe and secure during storage and transportation. This case also makes it easy to carry the bit around your workspace or job site, allowing you to have it readily available whenever you need it.

In summary, the Irwin Marathon Plus 5/8 in. Speedbor Weldtec Auger Bit (model number 1779139) is an essential tool for any DIYer or professional looking to drill holes in various materials with ease and efficiency. Its durable, welded cutting edges, efficient Speedbor design, and versatile materials compatibility make it a valuable asset for a wide range of projects. Plus, its protective carrying case ensures safe storage and transport.

Irwin Marathon Plus 5/8 Inch Speedbor Weldtec Auger Bit: A Detailed Analysis

The Irwin Marathon Plus 5/8 Inch Speedbor Weldtec Auger Bit is a popular choice among professionals for drilling through metal. This bit comes with a welded cutting edge, designed to provide durability and improved performance. In this analysis, we will discuss the pros and cons of buying this auger bit.

1. Enhanced Durability: The welded cutting edge of this bit ensures that it lasts longer than traditional auger bits. The welding process strengthens the bit, making it more resilient against wear and tear.

2. Improved Drilling Performance: The Weldtec design of this auger bit enhances its cutting ability, allowing it to drill through metal more efficiently. It also reduces the amount of torque required for drilling, making it easier to use.

3. Versatile: This auger bit can be used with a variety of drills, including corded and cordless models, making it a versatile tool for different applications.

4. Good Value for Money: Compared to other auger bits in the market, the Irwin Marathon Plus 5/8 Inch Speedbor Weldtec Auger Bit offers good value for money, given its durability and performance.

1. May Not Perform Well on Brittle Materials: The welded cutting edge of this bit may not be effective in drilling through brittle or hard materials like cast iron or steel reinforcing bars. In such cases, a carbide-tipped bit may be a better option.

2. Requires Proper Drill Bit Maintenance: Like any other drill bit, the Irwin Marathon Plus 5/8 Inch Speedbor Weldtec Auger Bit also requires proper maintenance to ensure its longevity. Regularly checking the bit for any signs of wear and replacing it when necessary is essential.

The Irwin Marathon Plus 5/8 Inch Speedbor Weldtec Auger Bit is an excellent investment for professionals who frequently drill through metal. Its enhanced durability, improved drilling performance, versatility, and good value for money make it a popular choice. However, it may not perform optimally on brittle or hard materials, and proper maintenance is required to ensure its longevity.

If you're looking for a high-performance auger bit for drilling through metal, the Irwin Marathon Plus 5/8 Inch Speedbor Weldtec Auger Bit is an excellent choice. Its welded cutting edge ensures durability, and the Weldtec design enhances its drilling performance. However, consider using a carbide-tipped bit for drilling through hard or brittle materials. Proper maintenance is also essential to ensure the longevity of the bit.

part # 1779139 prices

• $11.00-$17.99

specifications drillnubbin:

• brand: Irwin
• type: Drill Bit
• material: Steel
• manufacturer part number: 1779139
• application: Cutting
• suitable for: Drill

seller drillnubbin:

• rating: 99.4%
• # reviews: 5311

shipping drillnubbin:

• transit: 5-12 Days
• class: Standard
• type: Fixed
• carrier: USPS
• cost: $3.75
• service: USPS First Class

offer drillnubbin:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: November 21, 2025

general drillnubbin:

• Tools Workshop Equipment > Power Tool Air Tool Accessories > Drill Bits
• condition: New

payments drillnubbin:

• wallet: Apple-pay
• other
• credit card: Discover

returns drillnubbin:

• policy: Returns Accepted
• method: Money back
• paid by: Buyer
• time: 14 Days

Irwin 1779139 Is Similar To:

• Irwin 341008 8-pcs 6 Inch X 1/4 Blue-groove Hex Shank Speedbor Spade Bit Set (30.2% similar) $38.99–$50.20. (August 24th, 2024)
• Sears Craftsman 2092 Power Wood Boring Bits 3/8 Inch - 1 Made In Usa With 2 Extra Irwin (30.6% similar) $8.99–$18.00. (August 24th, 2024)
• Irwin 88894 12pc Industrial Spade Bit Speedbor Set In Pouch (32.4% similar) $22.99–$45.00. (August 26th, 2024)
• Irwin 3043007 Speedbor Power Ship Auger Drill Bit 7/8 X 1 (51.4% similar) $9.99–$24.00. (August 29th, 2024)
• Irwin 88899 Vtg Tools Spade Drill Bit Set 3/8 Inch -1 Lot Boring Wood 6 Long Hole (39% similar) $5.00–$24.99. (August 30th, 2024)
• Irwin 10001 E88 13 Inch Power Drill Bit Extension For 1/4 Shank Series 88 (29.5% similar) $10.74–$26.99. (September 1st, 2024)
• Irwin 4935655 Bit Extension 12 Inch 1/2 Holder Quick Change Chrome Used Once (36.5% similar) $8.99–$25.99. (September 2nd, 2024)
• Irwin 1966933 Tools Marples Wood Drilling Forstner Bit 1-1/2 Inch Circular (36.9% similar) $11.94–$16.71. (September 4th, 2024)
• Irwin 8813r Vintage 13 Piece Auger Bit Speedbor 88 Set In Original Pouch (34.8% similar) $8.44–$45.00. (September 4th, 2024)
• Irwin 47408 1/2 12.7m Drill Bit (28.1% similar) $17.99–$26.00. (September 5th, 2024)
• Irwin 3041006 6 Piece Wood Tri-flute Bit Set Auger Speed Tips Vguc (29.5% similar) $20.00–$25.00. (September 7th, 2024)