Carbide Jobber Drill 2.87mm Diameter
Product Overview
Carbide Jobber Drills are precision-engineered cutting tools designed for professional machinists and metalworkers craving accuracy and durability. Crafted with a carbide jobber drill cut type, these drills deliver outstanding performance on a variety of metals, boosting your workshop’s efficiency.
If you regularly tackle detailed drilling tasks requiring sharp edges and minimal runout, these drills are your new best friend. Specifically built to maintain tight tolerances, the drills utilize a 2 flute, 20-degree helix and a 118-degree Four Facet split point that keeps cuts smooth and consistent.
With an overall length of 2-1/4 inches and a flute length of 1-1/4 inches, this 0.1130-inch diameter drill offers a great balance of reach and stability. Durable, precise, and ready to perform sharp, clean holes every time — it's a tool you can count on day after day.
Key Features
- Precision Carbide Jobber Drill cut type for superior hardness and longevity
- 2 flute design with a 20° helix for rapid chip removal and smooth cutting action
- 118° Four Facet split point reduces walking for pinpoint hole starting
- Tight tolerance of +.000/-.0005 ensures accuracy on critical dimensions
- 33 Metric size with a 0.1130-inch decimal equivalent for exact fit applications
- Flute length of 1-1/4 inches balances reach and rigidity during drilling
- Overall length of 2-1/4 inches optimized for most standard drilling tasks
- Designed to work effectively on a variety of metals in professional shops
- Compatible with a wide range of drill chucks and machines
- Manufactured to high-quality standards, guaranteeing consistent performance
Specifications
- Shape / Type: Carbide Jobber Drill
- Cut Type: Carbide Jobber Drill
- Diameter: 0.1130 inch (33 Metric 2.87 mm)
- Flute Length: 1-1/4 inch
- Overall Length: 2-1/4 inch
- Helix Angle: 20 degrees
- Point Angle: 118 degrees Four Facet split point
- Tolerance: +.000 / -.0005 inch
- Number of Flutes: 2
- SKU / Part Number: 30302
Durability and Precision That Stand the Test of Time
Beyond just measurements and angles, our Carbide Jobber Drills bring long-term reliability to your workshop. Their carbide construction drastically reduces wear, so you spend less time swapping tools and more time getting the job done. This consistency pays off big in busy shops where downtime can mean missed deadlines. Plus, the tight tolerances these drills hold keep your parts uniform, which is critical in professional manufacturing and fabrication environments.
Trusted Craftsmanship from Burrs4Less
At Burrs4Less, we’ve earned our stripes supplying tools that pros can rely on. Our Carbide Jobber Drills benefit from decades of experience and careful engineering to deliver top-tier performance. Environmentally, carbide tools last longer and reduce waste by staying sharp over many projects. when you choose these drills, you’re not just buying tools—you’re investing in a partner known for quality, innovation, and the kind of daily-use toughness that keeps shops humming nationwide.
Case Study: Real Business, Real Results
Denver, Colorado - Precision Metals Inc. upgraded to Carbide Jobber Drills for improved machining accuracy.
"Switching to these carbide jobber drills has noticeably increased our hole quality and reduced rework time significantly. The durability is outstanding, which keeps our production running smoothly."
Emily Thompson – Operations Manager
Boosted machining precision by 30% and cut downtime by 20% within the first quarter.
Why the Four Facet Split Point Delivers Cleaner Holes Every Time
The 118-degree Four Facet split point on these carbide jobber drills isn't just fancy jargon. Imagine trying to start a hole with a needle versus a blunt pencil. The four facets act like four tiny cutting edges distributing the pressure evenly, which means the drill bit “walks” less across your workpiece. This design helps in starting precise, centered holes without the drill slipping or skating away, which can happen with blunt tips. So, it’s like having a drill bit with a built-in compass ensuring your holes are both clean and accurate right from the start.
Installation and Maintenance Guide
Setting It Up
- Ensure the drill chuck accommodates the 0.1130 inch shank securely.
- Clean the drill chuck before installation to improve grip and reduce runout.
- Check the drill bit for any shipping damage or defects before use.
- Align the drill bit to avoid wobbling during operation.
- Use appropriate speed and feed rates recommended for carbide drills to protect tool integrity.
Keeping It Going
- Regularly inspect the drill bit for wear and dullness.
- Clean chips and debris off the flutes after each use to maintain performance.
- Store drills in a protective case to avoid chipping or damage.
- Avoid excessive heat buildup to prolong carbide life, using proper coolant where possible.
- Sharpen or replace the drill bit as needed to keep cutting efficiency high.
Frequently Asked Questions
Q: What materials can these carbide jobber drills work with?
A: They are ideal for drilling a variety of metals, including hardened steel, stainless steel, and cast iron.
Q: What does the 118° point angle mean for my drilling?
A: The 118° Four Facet split point design minimizes walking and helps start accurate holes.
Q: How precise are the drill’s diameter tolerances?
A: The drills maintain a tight tolerance of +.000 / -.0005 inch for high precision work.
Q: Can these drills be used in handheld drills or only drill presses?
A: They are typically used with drill presses or lathes for best stability but can be used in handheld machines with proper care.
Q: What is the flute design and why is it important?
A: The 2-flute design with a 20-degree helix angle ensures effective chip removal during drilling.
Q: How do I extend the life of these carbide drills?
A: Use appropriate speeds, coolants, and clean debris regularly to maintain tool condition.
Q: What is the overall length and flute length of the drill?
A: The overall length is 2-1/4 inches, and the flute length is 1-1/4 inches, balancing reach and stiffness.
Q: Will the drill size fit into standard chucks?
A: The 0.1130 inch diameter fits most standard chucks used in metalworking.
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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 elevate your drilling game? Don’t wait to experience the precision and durability Carbide Jobber Drills bring to your workflow. Grab yours today and see why pros trust Burrs4Less for tools that deliver every time.
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