IVY CLASSIC Drill Tap Bit High Steel 738226060088 5/16-INCH-18NC Drill/tap M2 1/

( Brand: Ivy Classic ), ( Manufacturer Part Number: 6008 ), ( Part Type: Bit Drill Tap ), ( UPC: 738226060088 ), ( Size: 5/16-18nc ), ( Gtin: 00738226060088 )

Review IVY CLASSIC 5/16-inch-18nc Combo Drill/tap Bit M2 High Speed Steel 1/

The **Ivy Classic 6008 (06008) 5/16-inch 18NC Drill/Tap Bit in High-Speed Steel (HSS)** is a precision-engineered tool designed for versatility and durability in both professional and DIY applications. Crafted from high-quality **M2-grade high-speed steel**, this drill/tap bit combines the functionality of a drill and a tap into a single, compact unit, eliminating the need for separate tools when creating threaded holes in a variety of materials. The **18NC thread specification** ensures compatibility with standard **National Course (NC)** threads, making it ideal for applications requiring **5/16-inch diameter** fasteners, such as wood screws, machine bolts, or specialty hardware. The **5/16-inch drill portion** efficiently pre-drills holes to the correct size, while the integrated tap portion cuts clean, accurate threads in one seamless motion, reducing setup time and minimizing the risk of misalignment. Engineered with a **smooth, polished finish**, this bit resists corrosion and wear, extending its lifespan even with frequent use. The **robust construction** and **balanced design** ensure consistent performance across metals, plastics, and softer alloys, making it a reliable choice for woodworking, metal fabrication, automotive repairs, and general machining tasks. Whether used in a drill press, hand drill, or power driver, the Ivy Classic 6008 delivers precision and efficiency, ensuring threaded holes that meet tight tolerances while maintaining the integrity of the surrounding material. Its **durable high-speed steel composition** also allows for higher cutting speeds and longer tool life compared to standard carbon steel bits, making it a cost-effective solution for both occasional and heavy-duty applications.

The **Ivy Classic 6008 06008 5/16-inch 18NC drill/tap bit (M2 high-speed steel)** is a versatile tool for creating threaded holes in metal, but it has both advantages and limitations. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Drill-and-Tap Combination**

The bit combines a drill and tap in one tool, saving time and effort. This is particularly useful for small-scale projects or when working in tight spaces where separate drilling and tapping would be cumbersome.

2. **High-Speed Steel (HSS) Construction**

The M2-grade high-speed steel is harder and more heat-resistant than standard carbon steel, allowing it to maintain sharpness longer and perform better at higher speeds. This makes it suitable for drilling and tapping in medium-hard metals like aluminum, brass, and mild steel.

3. **Standardized Sizing**

The 5/16-inch (8.0 mm) size is a common thread size, making it compatible with many standard fasteners (e.g., bolts, screws). This ensures ease of use in applications where pre-threaded holes are required.

4. **18NC Thread Specification**

The 18NC thread (National Coarse) is a standard American thread form, widely used in machinery, automotive, and general metalworking. This ensures compatibility with off-the-shelf hardware.

5. **Durability for Light to Medium-Duty Use**

While not as robust as carbide or cobalt tools, M2 HSS is durable enough for occasional or light-to-medium use. It can handle repetitive tasks without frequent sharpening or replacement.

6. **Affordability**

Compared to premium tools like carbide or cobalt taps/drills, this Ivy Classic bit is cost-effective for hobbyists, DIYers, or small workshops.

7. **Versatility in Materials**

It works well on softer metals like aluminum, copper, and mild steel. For harder materials (e.g., hardened steel, stainless steel), it may require slower speeds and proper lubrication.

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### **Cons**

1. **Limited to Softer Metals**

The M2 HSS bit struggles with very hard or abrasive materials like hardened steel, titanium, or high-carbon stainless steel. In such cases, cobalt or carbide tools would be more appropriate.

2. **Not Ideal for High-Volume or Heavy-Duty Work**

While durable, M2 HSS is not designed for continuous heavy use. Frequent tapping in hard metals can cause rapid wear, leading to stripped threads or broken bits.

3. **Requires Proper Lubrication**

For best results, especially in steel, the bit needs adequate lubrication (e.g., cutting oil or machine oil) to prevent overheating and premature wear. Without lubrication, performance degrades quickly.

4. **Potential for Thread Stripping**

If the pre-drilled hole is not perfectly sized or the material is too soft, the tap portion may strip out instead of creating clean threads. A pilot hole slightly smaller than the tap size is recommended.

5. **Not Reusable for Hardened Materials**

Unlike some taps designed for hardened steel, this M2 HSS bit cannot be effectively reground or resharpened for use on very hard materials. It may need replacement after repeated use in tougher metals.

6. **Limited to Specific Thread Types**

The 18NC thread is standard but not universal. If you work with metric threads or other American thread forms (e.g., 24UNC), this bit won t be compatible.

7. **Quality Variability**

While Ivy is a reputable brand, budget tools like this can sometimes have inconsistencies in manufacturing (e.g., slight misalignments between the drill and tap portions). Higher-end brands may offer better precision.

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### **Conclusion**

The **Ivy Classic 6008 5/16-inch 18NC drill/tap bit** is a practical and cost-effective choice for hobbyists, DIYers, and small workshops needing to create standard American threads in softer metals like aluminum, brass, or mild steel. Its drill-and-tap combination saves time, and the M2 HSS material offers decent durability for light to medium use. However, it is not suitable for hardened metals, high-volume production, or applications requiring extreme precision. For these cases, more specialized tools (e.g., cobalt taps, carbide drills) would be necessary.

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### **Recommendation**

- You work primarily with aluminum, brass, or mild steel.

- You need a convenient drill-and-tap tool for occasional use.

- You re on a budget and don t require industrial-grade performance.

- You re using it for standard 18NC threads in non-critical applications.

- You frequently work with hardened steel, stainless steel, or titanium.

- You need high-volume or heavy-duty tapping.

- You require metric threads or other thread types.

- You re working on precision machinery where thread quality is critical.

For most general metalworking needs in softer materials, this bit is a solid, practical tool. If you anticipate heavier or more demanding tasks, consider upgrading to a cobalt or carbide tap/drill combination for longevity and performance.

Details:

Surface Recommendation: Aluminum,Copper,Plastic,Steel,Brass. Finish Type: Brass. IVY Classic Combo Drill/Tap Bits are designed for drilling, tapping, debarring and countersinking in steel, copper, brass, aluminum plastic. Finish Types: Brass.

Point Style: Split. Shank Type: Straight. Material Type: Alloy Steel. Model: 06008.

Cutting Angle String: 135 Degrees. Tool Flute Type: Spiral. Brand Name: IVY Classic. The tapered design beyond tap prevents thread damage from excess drilling.

Manufacturer: Ivy Classic Industries. Cutting Diameter: 7.94 Millimeters. Design allows for drilling, tapping, debarring and countersinking in steel, copper, brass, aluminum plastic. IVY Classic 06008 5/16-Inch-18NC Combo Drill/Tap Bit, M2 High Speed Steel, 1/Card: Size: 5/16 -18NC, Brand: Classic, MPN: 6008, UPC: 8, EAN: 88,: Material: Alloy Steel.

part #: 6008 price

• $25.33

specifications rotarydrilli:

• brand: Ivy Classic
• mpn: 6008
• part type: Bit Drill Tap
• upc: 738226060088
• size: 5/16-18nc
• gtin: 00738226060088

offer rotarydrilli:

• started: June 4, 2026
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