Standard Jobber Carbide Drill 11.5mm
Product Overview
If you're on the hunt for reliable and precise drilling tools, our Carbide Jobber Drills are built to impress. Designed specifically for both metalworking pros and hobbyists who demand accuracy, these drills blend durability with sharp performance.
Crafted with a two-flute design and a 20-degree helix angle, this tool ensures smooth material removal and efficient cutting. The 118-degree four-facet split point means you’ll experience less walking on startup and cleaner holes every time.
Whether you’re tackling a high-volume project or a delicate job, the Carbide Jobber Drills deliver consistent results with tight tolerance control. Ready to experience true precision? These drills will get you there without fuss.
Key Features
- 2 flute design optimized for smooth chip evacuation
- 20-degree helix angle for efficient cutting and longer tool life
- 118-degree four-facet split point for reduced walking and accurate starts
- Standard Cut or Double Cut options available to match your material needs
- High precision tolerance with diameter accuracy of +.000/-.0005
- Metric size of 11.50 mm (0.4528 inches) perfect for versatile drilling
- Flute length of 76mm providing sufficient cutting depth
- Overall length of 120mm for easy handling and control
- Made from high-quality carbide for superior toughness and durability
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 11.50 mm (0.4528 inches)
- Shank Diameter: 11.50 mm
- Flute Length: 76 mm
- Overall Length: 120 mm
- Helix Angle: 20 degrees
- Point Angle: 118 degrees, four-facet split point
- Tolerance: +.000 / -.0005 inch
- Material Compatibility: Suitable for metalworking
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30966
Unmatched Precision and Reliability in Metalworking Drills
When it comes to professional metalworking, consistent precision isn't just a nice-to-have — it’s a necessity. Burrs4Less Carbide Jobber Drills are engineered to deliver that exact reliability, reducing machine downtime caused by tool errors and minimizing scrap rates. The solid carbide construction ensures less frequent replacements, saving you money on tooling and downtime expenses over the long haul. Their robust design supports smooth operation even under heavy workloads, empowering your shop to maintain steady productivity without compromise.
A Brand You Can Count On: Burrs4Less Quality and Innovation
At Burrs4Less, we pride ourselves on over two decades of serving the USA's metalworking community with innovative cutting tools that get the job done. Our commitment to quality means each drill undergoes strict manufacturing tolerances and thorough inspections — so you get a tool that lives up to your expectations every time. Beyond just tools, we offer expert advice and personalized service designed to help you optimize your workflow and maintain a competitive edge, proving why we're a go-to choice among seasoned professionals nationwide.
Case Study: Real Business, Real Results
Located in Milwaukee, WI, Precision Machining Inc. needed to upgrade their drilling tools for tighter tolerances on aerospace components.
"Since switching to Burrs4Less Carbide Jobber Drills, our operators noted fewer errors during the drilling process, and our parts pass inspection more consistently."
Jenny Harlow – Quality Control Manager
Improved production accuracy by 30% and reduced rework time significantly.
How the Four-Facet Split Point Boosts Your Drilling Accuracy
Think of the four-facet split point like the sharp front edge of a pencil, but for your drill bit. This design helps it grab the material instantly without slipping or wobbling, making sure your hole starts exactly where you want it. This 'bite' reduces walking, which is when the drill shifts on the surface before cutting, saving you time and preventing damage. So, whether you’re working on thin metal sheets or more stubborn materials, this feature keeps things on target and running smoothly.
Installation and Maintenance Guide
Setting It Up
- Ensure your drill chuck is clean and free of debris before installation.
- Select the appropriate torque setting to securely hold the drill without damage.
- Insert the drill bit fully into the chuck for maximum stability.
- Double-check alignment to avoid wobbling during operation.
- Confirm the rotation direction matches the drill bit’s helix angle for optimal cutting.
Keeping It Going
- Clean the drill bit after use to remove chips and prevent buildup.
- Inspect for signs of wear or chipping before each use.
- Store bits in a dry place to avoid corrosion.
- Use cutting fluid during drilling to extend tool life.
- Avoid overheating by using proper feed rate and speed settings.
Frequently Asked Questions
Q: What materials can these Carbide Jobber Drills be used on?
These drills are best suited for metalworking applications, including steel, stainless steel, and aluminum.
Q: What is the difference between standard cut and double cut?
Standard cut drills are good for general purpose drilling; double cut drills have an extra cutting edge for faster, smoother drilling in harder materials.
Q: How does the split point affect drilling?
The 118-degree four-facet split point helps prevent the bit from walking and allows precise hole starts.
Q: What does the tolerance +.000/-.0005 mean?
It means the drill's diameter is very precise, varying no more than +0 to -0.0005 inches from the specified size.
Q: Can I use these drills for woodworking?
These drills are specifically designed for metalworking and might not deliver optimal results on wood.
Q: How do I maintain the sharpness of the drill?
Use cutting fluids and avoid overheating by setting proper speeds and feeds to keep the drill sharp longer.
Q: What is the intended use for the 76mm flute length?
The flute length determines how deep the drill can cut efficiently, matching common drilled hole depths.
Q: Are these drills compatible with standard drill chucks?
Yes, the shank size matches standard chucks used in most drill presses and hand drills.
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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
Don’t wait to upgrade your drilling game with our Carbide Jobber Drills. Stock up now and enjoy precise, reliable performance that keeps your projects moving forward without a hitch. Order today and experience the difference quality makes!
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