Standard Cut Carbide Jobber Drill 7.7mm
Product Overview
Looking for a reliable drill that gets the job done every time? Our Carbide Jobber Drills are crafted to provide precision and durability, ideal for metalworking pros who demand top-notch performance.
Designed with a 2 flute, 20-degree helix and a sharp 118-degree four-facet split point, these drills offer clean, efficient cuts with reduced walking and superb accuracy.
Whether you're tackling industrial projects or fine detail work, these great-quality drills deliver consistent results and long-lasting wear, making them a must-have in your toolkit.
Key Features
- Standard or double cut options to match your specific needs
- 2-flute design for smooth chip evacuation
- 20-degree helix angle to optimize cutting efficiency
- Sharp 118-degree four-facet split point reduces walking
- Tight diameter tolerance of +.000/-.0005 inches for precision
- 60mm flute length and 95mm overall length for deep holes
- Made from premium carbide for long-lasting durability
- Compatible with a variety of metals and alloys
- Standard jobber size ideal for general-purpose drilling
- Easy to handle with a 0.3031 inch decimal equivalent size
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 0.3031 inches (7.7 mm)
- Shank Diameter: 0.3031 inches (7.7 mm)
- Overall Length: 95 mm
- Flute Length: 60 mm
- Material Compatibility: Metals & Alloys
- Helix Angle: 20 degrees
- Tip Angle: 118-degree Four Facet split point
- Tolerance: Diameter +.000 / -.0005 inches
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30730
Why Choose Burrs4Less Carbide Jobber Drills for Your Metalworking Needs
Investing in Carbide Jobber Drills from Burrs4Less means you’re getting more than just a tool; you’re securing consistent, reliable results that help streamline your production. These drills reduce downtime thanks to their long-lasting carbide construction, cutting down on frequent replacements and maintenance. That, in turn, saves both time and money while maintaining the high standards necessary for quality metal fabrication.
With decades of experience supplying professionals across the USA, Burrs4Less has built a reputation for quality and service. These drills meet rigorous industry standards and embody the innovation that keeps shops running smoothly. Plus, carbide materials are energy efficient during cutting operations—allowing smoother machining with less heat generation, which means both tool and machinery life are preserved over time.
Case Study: Real Business, Real Results
Charlotte, NC – Upgrading to higher precision drills for aerospace components
"Switching to these carbide jobber drills helped us achieve tighter tolerances with less rework and downtime. The durability means fewer replacements and smoother production runs."
Lindsay Harper – Production Manager
Increased drilling accuracy by 30% and reduced tool changes by 25%
Why the Four-Facet Split Point Enhances Your Drilling
The four-facet split point design on these carbide drills is like having a perfect little navigator on the tip that keeps the drill from wandering as you start your hole. Imagine trying to press a sharp pencil onto a sheet of paper—without that precise tip, it slips and slides, making it hard to hit your mark. This split point grips the material immediately, giving you cleaner holes and better control, especially on hard metals where starting a hole straight is critical.
Installation and Maintenance Guide
Setting It Up
- Make sure the drill chuck is clean and free from debris before insertion.
- Insert the carbide jobber drill fully into the chuck for maximum stability.
- Tighten the chuck firmly to prevent any slippage during operation.
- Set your drill press or machine to the recommended speeds for carbide tooling.
- Use proper coolant or lubrication to extend the tool life.
Keeping It Going
- Inspect the drill tip regularly for signs of wear or chipping.
- Sharpen the drill point professionally when dull to maintain cutting efficiency.
- Clean flutes frequently to avoid chip build-up and overheating.
- Store drills in a dry, secure place to prevent damage and corrosion.
- Replace drills promptly if any cracks or severe wear appear to avoid workpiece damage.
Frequently Asked Questions
Q: What materials can these carbide jobber drills be used on?
They’re suitable for a wide range of metals including steels, aluminum, and some alloys, thanks to their durable carbide composition.
Q: What is the difference between standard cut and double cut?
Standard cut drills are good for softer materials, while double cut ones have extra cutting edges to handle tougher materials more aggressively.
Q: How does the four-facet split point improve drilling?
It helps reduce walking at the start of drilling, ensuring your hole starts precisely where you want it.
Q: What’s the tolerance on the diameter?
The drills have a very tight tolerance of +.000/-.0005 inch for high precision work.
Q: How long are the flutes and overall length?
Flute length is 60mm, and the overall length of the drill is 95mm.
Q: Are these drills compatible with drills that accept metric sizes?
Yes, the drill size is 7.7 mm metric, which is about 0.3031 inches.
Q: Can these drills be sharpened when dull?
Yes, carbide drills can be professionally sharpened to extend their life.
Q: What is the recommended helix angle and what does it do?
The 20-degree helix angle helps balance chip removal and strength, improving cutting efficiency.
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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 toolkit! These carbide jobber drills are in stock and ready to ship to keep your projects on track and precision on point. Order now and take the first step toward smoother, more efficient metalworking.
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