4-Cutter SDS PLUS Rotary Hammer Drill Bits

Features

  • Solid carbide construction for enhanced durability in concrete with rebar
  • Rebar guards for improved performance in hard aggregate
  • Sharp centering tips for precise drilling
  • 4-cutter design to minimize lock-up in rebar
  • Variable flutes for efficient dust removal and reduced heat
  • Wear mark indicator to indicate when the bit is no longer compliant with ANSI requirements
  • Compatible with all SDS-Plus rotary hammers

Specifications

Useable Length 4 in
Cutting Depth 4 in
Cutter Geometry 4-Cutter, Solid Tip
Hole Diameter 1/4 in
Flute Length 4 in
Type 4-Cutter
Pack Qty 1 Pack
Diameter 1/4"
Length 6 in
Weight 1.76 lb
Height 6 in
Width 0.39 in
Material Application Concrete
Style SDS-PLUS/MX4™ Solid Tip
Shank Size 13/32 in
Shank SDS Plus

The 4-Cutter SDS PLUS Rotary Hammer Drill Bits are designed for use in concrete with rebar. They feature a solid head carbide construction for extended durability.

Model Number: 48-20-7331

Milwaukee 4-Cutter SDS PLUS Rotary Hammer Drill Bits Review

4.3 out of 5

As someone who frequently works with concrete and rebar, finding the right drill bits can be a game-changer. Recently, I had the chance to use Milwaukee's 4-Cutter SDS PLUS Rotary Hammer Drill Bits, and I was genuinely impressed with their performance. These bits are designed specifically for drilling through concrete embedded with rebar, and they certainly live up to their promise.

One of the first things I noticed about these bits is their solid carbide construction. This feature immediately sets them apart from standard bits with merely carbide-tipped edges. The solid carbide not only enhances durability but also ensures that the bits maintain their sharpness longer, even when encountering tough materials like rebar. During my initial use, I found that these bits drilled smoothly and efficiently through concrete, making clean holes without much fuss.

The 4-cutter design is another standout feature. This design minimizes the likelihood of bit lock-up when hitting rebar, which can be a common issue with traditional two-sided carbide bits. I tested these bits on a few different projects, including drilling through reinforced concrete walls and installing anchor bolts. Each time, the bits performed admirably, maintaining their integrity and sharpness. The sharp centering tips also made it easy to start drilling precisely where I wanted, which is crucial for accuracy in any project.

Another aspect I appreciated was the variable flute design. These flutes efficiently remove dust and debris from the drilling area, reducing heat build-up and ensuring a faster drilling process. I noticed that the bits stayed cooler than other bits I've used in the past, which likely contributes to their extended lifespan. This feature is particularly beneficial when working on larger projects where prolonged drilling is necessary.

The wear mark indicator is a thoughtful addition to these bits. It provides a visual cue for when the bit is no longer compliant with ANSI standards, ensuring that you always use bits that meet safety and performance requirements. This small but significant feature can save time and prevent potential issues down the line.

Compatibility is another strong point for these bits. They fit all SDS-Plus rotary hammers, making them versatile and convenient for various tools and projects. I used them with both corded and cordless SDS hammers, and they attached seamlessly without any issues.

The set I used came with a convenient storage case, which is a nice touch. The case is sturdy and keeps the bits organized and protected when not in use. It also fits well in my tool storage system, making it easy to transport and access the bits on different job sites.

While the majority of my experience with these bits was positive, I did encounter a minor issue with the 5/32-inch bit. It seemed to struggle more when drilling through particularly dense concrete and rebar, and the head wore down faster than I expected. However, this was the only bit that presented any issues, and it did not significantly detract from the overall quality and performance of the set.

In terms of value, these bits might be on the pricier side compared to some other brands, but the performance and durability they offer justify the cost. Investing in high-quality tools like these can save time, effort, and money in the long run, as they reduce the need for frequent replacements and make tough jobs easier.

Overall, I would highly recommend Milwaukee's 4-Cutter SDS PLUS Rotary Hammer Drill Bits to both professionals and DIY enthusiasts who regularly work with concrete and rebar. The solid carbide construction, 4-cutter design, efficient dust removal, and wear mark indicator all contribute to making these bits a reliable and durable choice. While the 5/32-inch bit had some issues, the rest of the set performed exceptionally well, making it a valuable addition to any toolbox.

In conclusion, if you need reliable, long-lasting drill bits that can handle the rigors of drilling through reinforced concrete, Milwaukee's 4-Cutter SDS PLUS bits are an excellent choice. Their innovative design and high-quality construction make them a worthy investment for anyone serious about their work.


Project Ideas

Business

Custom Concrete Work

Offer specialized concrete drilling services for construction and renovation projects. The solid carbide construction ensures reliability and precision, making your service highly sought after.


Concrete Repair Services

Start a business focusing on repairing and reinforcing concrete structures. The rebar guards and wear mark indicator ensure that your tools are always performing optimally, providing high-quality repairs.


DIY Home Improvement Kits

Create and sell DIY home improvement kits that include these rotary hammer drill bits. Provide step-by-step guides for various projects, making it easy for homeowners to upgrade their spaces.


Concrete Drilling Workshops

Host workshops teaching people how to use rotary hammer drills for various projects. The variable flutes and sharp centering tips make it easier for beginners to learn and achieve precise results.


Tool Rental Service

Start a tool rental service specializing in high-quality rotary hammer drill bits. Offer packages for different project types, ensuring that customers have the right tools for their needs.

Creative

Concrete Art Sculpture

Use the rotary hammer drill bits to create intricate concrete sculptures. The sharp centering tips allow for precise drilling, enabling detailed and complex designs.


Custom Planters

Craft unique concrete planters with various shapes and textures. The 4-cutter design ensures smooth drilling through concrete, allowing for creative planter designs.


Mosaic Pathways

Design and create mosaic pathways in gardens or patios. The drill bits can efficiently handle concrete with rebar, making it easy to set the foundation for beautiful mosaic tiles.


Concrete Furniture

Build sturdy and stylish concrete furniture such as tables, benches, and stools. The durability of these drill bits ensures they can handle the tough material without wearing out quickly.


Wall Art Installation

Create custom wall art pieces by drilling into concrete walls to install various decorative elements. The wear mark indicator ensures accuracy and safety during the installation process.