FIVELAKE 019-QX-HS-1-155 High Steel Hole Saw Pilot Drill Bit 6-1/8 155MM M42

( Brand: Fivelake ), ( Manufacturer Part Number: 019-QX-HS-1-155 ), ( Part Type: Saw Drill Bit ), ( Size: 6-1/8 )

Review FIVELAKE 6-1/8 Inch 155mm Bi metal M42 High Speed Steel Hole Saw Pilot Drill Bit

The **Fivelake 019-QX-HS-1-155 6-1/8" (155mm) Bi-Metal M42 High-Speed Steel Hole Saw Pilot Drill Bit** is a premium cutting tool designed for precision, durability, and versatility in both professional and DIY applications. Engineered with a **6-1/8-inch (155mm) diameter**, this hole saw is ideal for creating large, clean holes in a variety of materials, including wood, plastic, composite decking, soft metals, and even masonry with the right setup. The **bi-metal construction** combines a high-quality **M42 high-speed steel (HSS) pilot drill bit** with a durable **carbon steel hole saw blade**, ensuring exceptional hardness and wear resistance for extended tool life. The M42 alloy, known for its superior heat resistance and cutting efficiency, minimizes heat buildup during prolonged use, reducing the risk of premature wear or dulling even when tackling tougher materials like treated lumber or dense composites.

This hole saw is equipped with a **sharp, hardened pilot bit** that centers the cut with precision, reducing the chance of wandering or misalignment, which is particularly beneficial when working with delicate surfaces or when accuracy is critical. The **high-speed steel tip** also enhances penetration speed, allowing for faster hole initiation compared to standard carbon steel bits. The **bi-metal design** further enhances performance by distributing stress more effectively, reducing the likelihood of blade breakage under heavy loads. The saw s **serrated teeth** are strategically spaced to optimize chip evacuation, preventing clogging and ensuring a smoother, cleaner cut with minimal splintering or fraying, especially in wood or composite materials.

Built for durability, the **carbon steel body** of the hole saw is reinforced to withstand the rigors of frequent use, while the **M42 pilot bit** maintains its edge longer than conventional HSS bits, reducing the need for frequent sharpening or replacement. The **155mm diameter** makes this tool particularly well-suited for larger projects, such as installing plumbing vents, electrical conduits, or custom cabinetry, where a standard hole saw might fall short. Whether used in a drill press for enhanced stability or in a handheld drill for portability, this bit delivers consistent, professional results with minimal effort. Its **universal compatibility** with most standard drill chucks ensures seamless integration into existing tool collections, making it a versatile addition to any workshop or toolkit. For those who demand reliability, precision, and longevity in their cutting tools, the Fivelake 019-QX-HS-1-155 is an outstanding choice, blending advanced materials with practical design to meet the demands of both novice and experienced users alike.

### **Pros and Cons of buying a Fivelake 019-QX-HS-1-155 (6-1/8" 155mm Bi-Metal M42 High-Steel Hole Saw with Pilot Drill Bit)**

1. **High-Quality Bi-Metal Construction** The combination of high-speed steel (HSS) and a durable bi-metal edge ensures longer tool life and better heat resistance compared to standard hole saws. This makes it suitable for cutting through harder materials like metal, plastic, and some soft woods without frequent replacements.

2. **M42 Grade Alloy** The M42 high-speed steel is known for its superior hardness and wear resistance, allowing the saw to maintain sharpness longer and perform better in demanding applications.

3. **Included Pilot Drill Bit** The pre-attached pilot drill bit helps guide the hole saw, reducing the risk of wandering and improving accuracy, especially when starting cuts in hard or uneven surfaces.

4. **Versatile Size (6-1/8" or 155mm)** This size is practical for a wide range of applications, including plumbing, electrical work, DIY projects, and light metal fabrication. It can cut through pipes, conduit, and other cylindrical objects commonly found in construction and home improvement.

5. **Durability and Strength** The high-steel construction suggests that this tool is built to withstand repeated use without bending or breaking, making it a cost-effective choice for frequent users.

6. **Compatibility with Standard Drills** Like most hole saws, this one is designed to fit standard electric drills (e.g., cordless or corded drills with a 1/2" or 3/8" chuck, depending on the adapter used). This makes it accessible for most DIYers and professionals.

7. **Good for Both Soft and Hard Materials** While not designed for extremely hard metals like steel plates, it can handle softer metals, aluminum, plastic, and even some treated woods, offering flexibility for various tasks.

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1. **Limited to Specific Materials** This hole saw is not ideal for cutting through very hard metals (e.g., hardened steel, cast iron, or thick stainless steel). For such materials, specialized tools like diamond-coated hole saws or carbide-tipped bits would be more appropriate.

2. **Requires a Power Drill** Hole saws are not manual tools; they require a drill press or electric drill, which may not be available to everyone, especially casual users without power tools.

3. **Potential for Clogging** When cutting through materials with debris (e.g., wood with nails or metal with rust), the saw can clog or jam, requiring frequent cleaning or replacement of the cutting edge.

4. **Noise and Dust** Like all hole saws, this one generates significant noise and dust during operation. Users will need to wear ear protection and use a dust mask or extraction system to stay safe.

5. **Wear Over Time** While the M42 alloy improves longevity, even high-quality hole saws will eventually wear out, especially if used frequently on abrasive materials. Replacement costs may add up over time.

6. **Not Ideal for Precision Work** While the pilot bit helps with alignment, achieving perfectly centered or perfectly round holes in delicate materials (e.g., thin sheet metal) may still require additional care or a drill press for stability.

7. **Limited Availability of Replacement Parts** If the saw breaks or the cutting edge dulls beyond repair, finding exact replacements may be difficult, especially for less common sizes.

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The **Fivelake 019-QX-HS-1-155 (6-1/8" Bi-Metal M42 Hole Saw with Pilot Drill Bit)** is a solid, mid-range tool that offers a good balance of durability, versatility, and affordability for general-purpose hole cutting tasks. It excels in cutting softer metals, plastics, and woods, making it a practical choice for DIYers, plumbers, electricians, and light fabrication work. However, it is not suited for heavy-duty or industrial-grade metal cutting, where more specialized tools would be necessary.

If you primarily work with pipes, conduit, or soft materials and need a reliable, cost-effective hole saw, this is a **strong recommendation**. For users who frequently cut through extremely hard or abrasive materials, investing in a higher-end diamond or carbide-tipped hole saw may be worth the extra cost for longevity and performance.

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- You need a durable, high-quality tool for cutting pipes, plastic, aluminum, or soft metals.

- You prioritize longevity and ease of use with the included pilot bit.

- You have a standard electric drill and work on projects that require occasional hole cutting.

- You frequently cut through hardened steel, cast iron, or thick stainless steel.

- You need ultra-precise or delicate hole cutting (e.g., thin sheet metal).

- You prefer tools with extended warranties or premium brand support.

For most homeowners and professionals doing general repair or installation work, this hole saw provides excellent value for its price and performance.

Details:

Compatible Material: Metal. Smooth User Experience: Optimized multi-hole design and spring-loaded pilot drill automatically eject the cut-out disc after drilling, improving chip removal efficiency reducing clogging, especially when cutting thicker or harder materials. Maintains a sharp cutting edge even under high temperatures and prolonged high-speed operation, without easy deformation. Model: 019-QX-HS-1-155.

Part Number: 019-QX-HS-1-155. Easy to Use Secure Fit: Clear size markings allow quick selection; the shank design is compatible with most electric and cordless drill chucks, ensuring fast installation, secure clamping, stable torque transmission, reduced slipping under high load. Wide Range of Applications: Suitable for drilling holes in wood, plywood, plastic, PVC, gypsum board, drywall, rubber, and various thin metal sheets. Number of Teeth: 40.

Material Type: High Speed Steel. Brand: Fivelake. Manufacturer: Fivelake. Brand Name: Fivelake.

Product Dimensions: 6.13 L x W.

part #: 019qxhs1155 price

• $29.98

specifications sawbladeother:

• brand: Fivelake
• mpn: 019-qx-hs-1-155
• part type: Saw Drill Bit
• size: 6-1/8

general sawbladeother:

• Power Tool Air Tool Accessories > Saw Blades > Other Saw Blades
• condition: New

payments sawbladeother:

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

returns sawbladeother:

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

seller sawbladeother:

• city: Fort Lauderdale, FL
• # reviews: 46
• rating: 100.0%

offer sawbladeother:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: June 11, 2026

shipping sawbladeother:

• cost: $0.00
• service: Expedited
• transit: 2-6 Days
• class: Expedited
• type: Fixed

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