GARR 20661 Alcx Solid Carbide Machinist Drills 8.50MM .3346 2FL

( Brand: Garr ), ( Part Type: Drill ), ( Manufacturer Part Number: 20661 ), ( Item Type: Solid Carbide Drills ), ( Country Of Origin: United States )

Review GARR Lot New 8.50mm .3346 Inch 2fl Alcx Solid Carbide Machinist Drills

Introducing the GARR 20661 8.5mm Solid Carbide Machinist Drills, a high-performance tool designed for precision drilling applications. These drills are engineered with 3346 2FL AlTiNiCo (Aluminum Titanium Nitride Coating) for enhanced durability and extended tool life.

The 8.5mm (0.3346 inches) drill diameter makes them suitable for a wide range of drilling tasks in various industries, including automotive, aerospace, and general engineering. These drills are manufactured using solid carbide material for superior strength and rigidity, ensuring accurate and consistent drilling results.

The 2FL AlTiNiCo coating provides excellent wear resistance against tough materials and high temperatures, preventing the drill from cracking or chipping during use. It also ensures excellent lubricity and reduces the risk of galling and welding, ensuring smooth and efficient drilling.

The GARR 20661 drills feature a precision-ground, balanced shank design, which ensures proper runout and reduces vibrations, providing increased tool life and improved surface finish. Their sharp cutting edges allow for fast and accurate drilling, reducing cycle times and increasing productivity.

These machinist drills are suitable for drilling a wide variety of materials, including steel, cast iron, and other hard materials, making them an ideal choice for heavy-duty drilling applications. With their superior quality and durability, the GARR 20661 8.5mm Solid Carbide Machinist Drills are an excellent investment for any machining operation looking to improve efficiency and productivity while ensuring consistent, high-quality results.

A Comprehensive Analysis of GARR 20661 Solid Carbide Machinist Drills

The GARR 20661 8.50mm 3346 2FL Alcx Solid Carbide Machinist Drills are a popular choice for various machining applications. In this analysis, we will discuss the pros and cons of purchasing these drills to help you make an informed decision.

1. High-Performance: Solid carbide drills are renowned for their excellent performance in machining hard materials. These drills can handle high feed rates, maintain precise drilling depths, and deliver consistent hole quality.

2. Longer Tool Life: Due to their wear-resistant properties, solid carbide drills last longer than their high-speed steel (HSS) counterparts. This results in fewer tool changes, saving time and money.

3. Heat Resistance: Solid carbide drills are less prone to heat generation during machining. This translates to fewer thermal expansion issues, preserving tool accuracy and improving overall productivity.

4. Versatility: These drills come in various sizes and geometries, making them suitable for various machining applications.

1. Cost: Solid carbide drills are more expensive than HSS drills. While they offer longer tool life, the upfront cost can be a significant investment.

2. Fragility: Compared to HSS drills, solid carbide drills are more brittle and prone to chipping if used improperly. Proper handling, drilling techniques, and adequate spindle speeds are essential to prevent damage.

3. Limited Application: Solid carbide drills are not the best choice for machining softer materials, as their rigidity and wear resistance are not necessary. HSS drills are usually more cost-effective for these applications.

The GARR 20661 8.50mm 3346 2FL Alcx Solid Carbide Machinist Drills offer numerous benefits, including high-performance, longer tool life, heat resistance, and versatility. However, they also come with disadvantages, such as a higher cost, fragility, and limited application.

If you frequently work with hard materials and require consistent, high-quality drilling results, investing in solid carbide drills like the GARR 20661 series would be beneficial. The long-term savings from reduced tool changes and increased productivity can offset the initial investment. However, if your machining applications primarily involve softer materials, HSS drills may be a more cost-effective choice. Ultimately, the decision depends on your specific machining requirements and budget.

part # 20661 prices

• $38.95-$39.75

specifications cncmano:

• brand: Garr
• part type: Drill
• manufacturer part number: 20661
• item type: Solid Carbide Drills
• country of origin: United States

general cncmano:

• Metalworking Supplies > Drills > Other Metalworking Drills
• condition: New

seller cncmano:

• rating: 100.0%
• # reviews: 19715

payments cncmano:

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

returns cncmano:

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

offer cncmano:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: June 7, 2026

shipping cncmano:

• transit: 4-8 Days
• class: Economy
• type: Fixed
• cost: $0.00
• service: Economy

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