IRWIN 66708 Oxide Drill Bit Cutting 1/8 In 3.2

( Brand: Irwin ), ( Type: Drill Bit ), ( Color: Black ), ( Item Diameter: 1/8 In, 3.2 Mm ), ( Material: Black Oxide ), ( Manufacturer Part Number: 66708 ), ( Item Length: 6 In ), ( Application: Cutting ), ( Suitable For: Metal, Plastic )

Review IRWIN 1/8 In 3.2mm Black Oxide Drill Bit Metal Plastic Cutting

Introducing the Irwin Marathon Plus 1/8 inch, 3.2mm Oxide Drill Bit - a high-performance addition to any drilling project. This drill bit, model number 66708, is engineered for superior strength and durability, making it an ideal choice for a wide range of applications.

The oxide coating on this drill bit is its standout feature. This advanced coating is specifically designed to provide extended drill bit life. The oxide layer is created through a unique heat-treating process, which hardens the bit and enhances its resistance to wear and tear. This results in longer drill bit life and improved drilling performance, even in the most challenging materials.

The Marathon Plus 1/8 inch, 3.2mm Oxide Drill Bit boasts a 135-degree split-point tip. This tip design ensures a quick and easy start in various materials, including wood, metal, and masonry. The split-point tip splits the material fibers as the bit enters the material, reducing the starting torque and preventing the bit from walking or wandering during drilling.

This drill bit's shank is designed to be compatible with standard 1/8 inch drill chucks, ensuring a secure fit and reliable connection. The Marathon Plus 1/8 inch, 3.2mm Oxide Drill Bit is a versatile tool, suitable for use in both corded and cordless electric drills, as well as pneumatic drills.

In conclusion, the Irwin Marathon Plus 1/8 inch, 3.2mm Oxide Drill Bit is a must-have for any DIY enthusiast or professional tradesperson. Its advanced oxide coating ensures extended drill bit life, while its split-point tip ensures quick and easy starts. This drill bit's compatibility with standard 1/8 inch drill chucks and various drill types makes it a versatile and reliable tool for a wide range of applications.

Irwin 66708 1/8 Inch 3.2 Oxide Drill Bit: A Detailed Analysis

The Irwin 66708 1/8 inch 3.2 oxide drill bit is a popular choice for DIY enthusiasts and professionals alike due to its durability and effectiveness in cutting through various materials. In this analysis, we will discuss the pros and cons of purchasing this drill bit.

1. High-Quality Material: The Irwin 66708 drill bit is made of premium SAE 4340 steel, which is known for its strength and durability. This material ensures that the bit can handle heavy-duty tasks without breaking or bending.

2. Oxide Coating: The oxide coating on the Irwin drill bit provides several benefits, such as increased resistance to wear and corrosion, improved cutting performance, and enhanced torque transfer. This coating makes the bit ideal for drilling through tough materials like steel, masonry, and concrete.

3. Versatile: The Irwin 66708 drill bit is suitable for a wide range of applications. It can be used for drilling holes in various materials, such as wood, metal, and masonry, making it a versatile addition to any toolbox.

4. Affordable: Despite its high-quality construction and durability, the Irwin 66708 drill bit is relatively affordable compared to other professional-grade drill bits. This makes it an excellent option for those who require a reliable drill bit without breaking the bank.

1. Requires Proper Maintenance: Like any other drill bit, the Irwin 66708 drill bit requires proper maintenance to ensure its longevity. This includes sharpening the bit regularly and cleaning it after each use to remove debris and prevent rust.

2. May Not Be Suitable for Very Hard Materials: While the Irwin 66708 drill bit is effective for most materials, it may not be the best option for very hard materials like tempered steel or cast iron. For such materials, a more robust and specialized drill bit may be required.

3. Size and Shape Limitations: The Irwin 66708 drill bit is available only in a 1/8 inch size and a standard twist shape. This may not be suitable for all applications, and users may need to purchase multiple sizes and shapes to cover their drilling needs.

The Irwin 66708 1/8 inch 3.2 oxide drill bit is an excellent investment for DIY enthusiasts and professionals who require a durable, reliable, and versatile drill bit for various applications. Its high-quality material, oxide coating, and affordable price make it a popular choice among users. However, it does require proper maintenance, may not be suitable for very hard materials, and is limited in size and shape options.

If you're in the market for a high-quality, affordable, and versatile drill bit for general-purpose drilling tasks, the Irwin 66708 1/8 inch 3.2 oxide drill bit is an excellent choice. Its durability and effectiveness make it a worthwhile addition to any toolbox. However, if you require a drill bit for very hard materials or specific applications, you may need to consider a more specialized and robust option.

part # 66708 prices

• $7.95-$8.85

specifications drillnubbin:

• brand: Irwin
• type: Drill Bit
• color: Black
• item diameter: 1/8 In, 3.2 Mm
• material: Black Oxide
• manufacturer part number: 66708
• item length: 6 In
• application: Cutting
• suitable for: Metal, Plastic

returns drillnubbin:

• policy: No Returns

shipping drillnubbin:

• transit: 5-12 Days
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• cost: $5.52
• carrier: USPS

seller drillnubbin:

• rating: 100.0%
• # reviews: 1

payments drillnubbin:

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

offer drillnubbin:

• best offers: True
• quantity: 1
• started: March 5, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

general drillnubbin:

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

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