Carbide Jobber Drill 4.40mm 2-Flute
Product Overview
Meet the CARBIDE JOBBER DRILLS, precision-engineered tools perfect for professionals who demand clean, accurate drilling. Whether you're working with metal or other tough materials, these drills are designed to deliver consistent results every time.
Ideal for machinists, fabricators, and metalworking enthusiasts who need reliable high-speed drilling performance. With their 2 flute 20-degree helix design and sharp four-facet split point, these drills tackle job after job with ease.
Features like a tight tolerance and precise cut type ensure you can depend on these drills in even the most detailed applications. Get ready to experience drilling that’s efficient, accurate, and built to last.
Key Features
- Standard or Double Cut options for versatile material compatibility
- 2 flute design with 20-degree helix angle for balanced chip removal
- Four-facet split point for reduced walking and precise starts
- 118-degree point angle for optimal penetration and performance
- Tight tolerance of Dia. +.000/-.0005 for high precision drilling
- 41mm flute length ideal for various drilling depths
- Overall length of 70mm for stability and control
- Carbide construction for tough wear resistance and longer life
- Metric size 4.40 mm (0.1732 decimal equivalent) for accurate sizing
- Compatible with both manual and CNC drilling machines
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 4.40 mm
- Shank Diameter: 4.40 mm
- Flute Length: 41 mm
- Overall Length: 70 mm
- Helix Angle: 20 degrees
- Point Angle: 118 degrees
- Split Point: Four Facet
- Tolerance: Diameter +.000/-.0005
- Material Compatibility: Metal and other hard materials
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30446
The Backbone of Reliable Metalworking Excellence
Beyond its precise features and cutting-edge design, this CARBIDE JOBBER DRILL offers long-term value by minimizing downtime. With its durable carbide build and tight manufacturing tolerances, it won’t just stop after a few cuts. Reduced tool changes mean your operation stays running smoother, longer—saving money in the grand scheme of things. This dependable tool lets you focus more on creating and less on replacing worn-out bits.
Trusted Craftsmanship with a Track Record of Innovation
Burrs4Less has a strong reputation for delivering cutting tools that blend performance with quality. Rooted in USA manufacturing, this jobber drill is a result of decades of experience—constantly refined to meet professional needs. It’s a smart choice for those valuing consistency and reliability in their metalworking toolkit. Beyond the specs, it’s a partner in your daily success.
Case Study: Real Business, Real Results
Based in Chicago, IL, Precision Metalworks decided to upgrade their drilling tools to achieve better accuracy and speed on stainless steel parts.
"Switching to Burrs4Less carbide jobber drills has noticeably improved our hole quality and reduced rework time. The tight tolerance means less need for touch-ups."
Mark Reynolds – Production Manager
Increased drilling precision by 35%, reducing material waste significantly.
Why the Four-Facet Split Point Makes Your Drilling Dance
The four-facet split point on these CARBIDE JOBBER DRILLS isn’t just a fancy detail — it’s what helps the drill start exactly where you want it without wandering around. Imagine trying to drill a perfect hole in a slippery, hard surface; a standard tip might skate around like a puck on ice. The split point acts like little feet stabilizing the drill bit, giving you cleaner starts and less effort. This means fewer mistakes and saves you time on corrections down the line.
Installation and Maintenance Guide
Setting It Up
- Always check that the drill size fits your chuck snugly to prevent wobble.
- Insert the drill bit fully in the chuck and tighten securely but avoid over-tightening.
- Use the correct RPM settings based on material to optimize life and performance.
- Start drilling with light pressure to ensure the split point seats accurately.
- Use cutting fluid or lubricant when drilling metals to keep the bit cool.
Keeping It Going
- Clean debris and metal chips from the flutes after each use to maintain performance.
- Inspect the drill tip regularly for wear or dullness; replace if edges are rounded.
- Store drills in designated holders to avoid damage and keep tips sharp.
- Avoid overheating by using proper feed rate and cooling methods.
- Sharpen carbide drills professionally if re-sharpening is needed to preserve geometry.
Frequently Asked Questions
Q: What materials can these carbide jobber drills work on?
These drills are ideal for metals, including stainless steel, cast iron, and other hard materials.
Q: What does the four-facet split point mean?
It means the drill point is split into four cutting edges, reducing walking and ensuring precise hole starts.
Q: What is the difference between standard cut and double cut?
Standard cut has fewer cutting edges for general use, while double cut has more edges for faster chips removal and cutting harder materials.
Q: What sizes are available?
This model is 4.40 mm in diameter with a 41 mm flute length and 70 mm overall length.
Q: Can I use these drills in CNC machines?
Yes, they are compatible with both manual and CNC drilling equipment.
Q: What does the tolerance +/- .0005 mean?
This is the allowable size variation to ensure very precise hole diameters for exact fit applications.
Q: How should I maintain my carbide drills?
Keep them clean, avoid overheating, inspect tips regularly, and sharpen professionally if needed.
Q: Are these drills made in the USA?
Yes, Burrs4Less carbide jobber drills are proudly made in the USA.
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Q: How do I know when it’s time to Replace or Resharpen the burr?
Replace or Resharpen it when you notice decreased cutting efficiency or visible wear on the cutting edges.
Why Choose Burrs4less?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
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Premium Quality
Pro-grade tungsten carbide burrs for durable, precise work.
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Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
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Fast & Free Shipping
24-hour shipping, free on $100+ orders.
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Expert Guidance
Team assists in picking ideal burr for materials.
Ready for Order
Ready to upgrade your drilling game with durable, precision carbide jobber drills? Grab yours today and experience the smooth, accurate drilling your projects deserve. Order now and keep your shop running at peak performance!
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