Carbide Jobber Drill 7.14mm Metric
Product Overview
If you're hunting for a drill bit that blends precision with toughness, the Carbide Jobber Drills have you covered. These tools are designed for metalworkers and machinists who demand sharp, durable performance every time they drill.
Made from solid carbide, these jobber drills deliver exceptional wear resistance, ensuring you get more drilling done without frequent replacements. The blend of a 2 flute design and a 20-degree helix helps clear chips efficiently, keeping your work smooth.
Whether you're drilling stainless steel, cast iron, or other tough materials, these drills with a 118-degree four-facet split point give cleaner holes and less walking. Ready to upgrade your drilling game? These bits are built for seasoned pros and serious hobbyists alike.
Key Features
- Constructed from solid carbide for outstanding durability and long tool life.
- 2 flute design with a 20-degree helix angle to efficiently remove chips and prevent clogging.
- 118-degree four-facet split point reduces walking and ensures precise hole starting.
- Tight tolerance of Dia. +.000/-.0005 for precision drilling.
- Available in a K Metric size of 7.14mm (0.2810 inch) for versatility in various applications.
- Flute length of 2-1/8 inches balances depth capacity and rigidity.
- Overall length of 3-1/2 inches ensures reach into moderate-depth holes.
- Standard or double cut styles available for optimal performance in different materials.
- Engineered to perform well on tough metals like stainless steel and cast iron.
- Ideal for metalworking professionals seeking reliable, repeatable results.
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 7.14 mm (0.2810 inch)
- Shank Diameter: Same as head diameter (7.14 mm)
- Flute Length: 2-1/8 inches
- Overall Length: 3-1/2 inches
- Material Compatibility: Stainless Steel, Cast Iron, and other metals
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30686
The Long-Term Value of Quality Carbide Drills
Investing in these Carbide Jobber Drills means you’re choosing reliability that pays off over time. Fewer replacements translate to less downtime and lower tooling costs, which keeps your shop running efficiently. Their resistance to dulling and breakage means you maintain consistent hole quality job after job. This depends less on constantly swapping out bits and more on getting your work done with confidence and precision.
At Burrs4Less, we bring decades of expertise and focus on manufacturing carbide tools that stand up to real-world industrial demands. Our Carbide Jobber Drills reflect innovation and strict quality control to consistently serve metal professionals nationwide. From small workshops to large machine shops, these tools offer dependable performance and are a testament to trusted American craftsmanship.
Case Study: Real Business, Real Results
Chicago-based Precision Machining Center needed to upgrade their drill bits for better longevity and hole quality in stainless steel work.
"Switching to these Carbide Jobber Drills reduced our bit replacements by half and gave us cleaner, more precise holes on every job. Our throughput improved noticeably."
Marcus Reynolds – Production Manager
Increased efficiency by 35% with reduced downtime.
Why the Four-Facet Split Point Makes a Difference
The 118-degree four-facet split point isn’t just a fancy term—it’s the secret behind easier and more accurate drilling. Think of it like the sharp tip of a pencil that helps you start writing exactly where you want without smudging. This split point reduces the bit's tendency to wander or 'walk' when you begin drilling, especially on tricky, hard-to-penetrate metals. This means less wasted material, cleaner holes, and more confidence that your workpiece stays flawless. For metalworkers, that tiny detail makes a big difference in consistency and precision.
Installation and Maintenance Guide
Setting It Up
- Ensure your drill press or CNC machine is powered off before installing the bit.
- Clean the chuck to remove debris for a secure grip on the drill bit.
- Insert the bit fully into the chuck and tighten firmly to prevent slippage.
- Check alignment to ensure the drill is straight to reduce wear and avoid breakage.
- Test on scrap material to verify correct setup and speed settings.
Keeping It Going
- Keep the carbide bits cool by using cutting fluids or coolant during drilling to prolong tool life.
- Regularly inspect the drill bit for signs of wear or chipping and replace as needed.
- Clean flutes after each use to prevent material build-up and maintain chip clearance.
- Store bits in a protective case to avoid damage to cutting edges.
- Avoid applying excessive pressure to reduce risk of breakage and improve precision.
Frequently Asked Questions
Q: What materials can I drill with these Carbide Jobber Drills?
These drills are suitable for a wide range of metals including stainless steel, cast iron, and other hard materials.
Q: What does the 118-degree four-facet split point do?
It reduces bit walking and improves hole accuracy, especially on hard metals.
Q: Can I use these drills in handheld drills or only drill presses?
They are best used in drill presses or CNC machines for stability and precision, but can work in handheld drills with care.
Q: What is the difference between standard cut and double cut?
Standard cut has fewer cutting edges and is ideal for general use, while double cut offers faster material removal on tougher metals.
Q: How should I maintain these carbide drills to maximize life?
Use appropriate cutting fluid, avoid overheating, clean flutes regularly, and store properly.
Q: What size hole does this drill bit make?
The drill bit creates a hole of 7.14mm diameter (about 0.2810 inches).
Q: Are these drills compatible with CNC machines?
Yes, their precision and durability make them ideal for CNC machining.
Q: What is the tolerance for diameter on these drills?
The tolerance is +.000/-.0005 inches meaning extremely precise diameter control.
Q: How deep can I drill with these bits?
With a flute length of 2-1/8 inches and overall length of 3-1/2 inches, these are best for holes up to roughly 2 inches deep.
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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 miss out on upgrading your toolkit with these reliable Carbide Jobber Drills. Whether precision, performance, or longevity is your priority, these bits deliver it all. Grab yours now and experience smoother, cleaner drilling every time.
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