Carbide Jobber Drill 7.9mm 2-Flute
Product Overview
Get your hands on our versatile Carbide Jobber Drills designed for precision and durability. Perfect for machinists, fabricators, and metalworking pros who demand accuracy in every cut.
These drills feature a 2-flute design with a 20-degree helix angle and a 118-degree four-facet split point, ensuring smooth penetration and excellent chip evacuation.
With tight tolerances and reliable construction, these drills are your go-to tool for consistent, high-quality holes. Ready to upgrade your toolset?
Key Features
- Standard Cut or Double Cut options for versatile use
- 2-flute design with a 20-degree helix angle for efficient cutting
- 118-degree four-facet split point for reduced walking and precise starts
- Tight tolerance of Dia. +.000/-.0005 inches for accuracy
- Flute length of 60mm for deep drilling capabilities
- Overall length of 95mm suitable for various applications
- Carbide material for long-lasting wear resistance
- Compatible with a wide range of metals and alloys
- Metric size 7.9 (decimal equivalent .3110) fits standard equipment
- Balanced design for smooth operation and reduced vibration
Specifications
- Shape / Type: Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 7.90 mm (0.3110 inches)
- Shank Diameter: 7.90 mm (metric size)
- Flute Length: 60 mm
- Overall Length: 95 mm
- Material Compatibility: Suitable for metals, alloys, and general machining
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30738
Durability That Keeps Your Shop Moving
Choosing burrs4less carbide jobber drills means investing in tools that minimize downtime and maintenance headaches. With their long-lasting carbide construction, you won’t find yourself stopping mid-project to swap out dull bits. This saves you valuable shop time and keeps your workflow steady. Over months of use, the consistent performance means less material waste and more reliable outputs, ensuring every drilled hole meets your specs.
A Brand You Can Trust for Precision and Performance
Burrs4less has built a reputation on delivering cutting tools that both hobbyists and professionals rely on across the USA. The Carbide Jobber Drills reflect decades of industry knowledge, blending innovation with proven design. This brand is recognized for raising the standard in metalworking tools, giving you cutting-edge gear that’s tough enough for daily use yet precise enough for fine work. when quality counts, it pays to go with a name known for excellence.
Case Study: Real Business, Real Results
Located in Detroit, a precision engineering shop upgraded to our Carbide Jobber Drills for better performance.
“Switching to these drills has improved our hole quality and reduced the downtime caused by dull bits. The durability truly stands out.”
Mark Reynolds – Production Manager
Increased drilling efficiency by 35% and cut tool replacement costs in half.
Why the Four-Facet Split Point Is a Driller’s Best Friend
The 118-degree four-facet split point might sound fancy, but it’s really about getting your drill to bite just right. Think of it like a sharp arrowhead that guides your drill bit straight into the metal without wandering or slipping. This means you spend less time realigning and more time getting straight, clean holes. Plus, it reduces the effort when starting the drill, so your work is smoother, faster, and less tiring.
Installation and Maintenance Guide
Setting It Up
- Ensure the drill chuck size matches the 7.9 mm shank diameter for a secure fit
- Clean the shank to remove any debris before insertion
- Tighten the chuck firmly but avoid overtightening to prevent damage
- Check the drill press or machine speed settings for carbide tools
- Use proper coolant or lubrication for metal drilling tasks
Keeping It Going
- Regularly clean flutes to prevent chip buildup
- Inspect drill tips for wear or chipping before each use
- Store in a dry, organized spot to avoid accidental damage
- Sharpen or replace the bit once cutting quality drops noticeably
- Use cutting oil to extend tool life and maintain smooth cutting
Frequently Asked Questions
Q: What materials can I drill with these carbide jobber drills?
They are suitable for drilling most metals including steel, aluminum, and alloys.
Q: What does the 118-degree split point mean for my drilling?
It helps reduce drill walking and allows a quicker, cleaner start to your holes.
Q: Are these drills compatible with all standard drill chucks?
Yes, as long as your chuck can securely hold the 7.9 mm shank diameter.
Q: Should I use coolant when drilling with these carbide bits?
Yes, using coolant or cutting oil prolongs tool life and improves cutting quality.
Q: What's the difference between Standard Cut and Double Cut types?
Standard Cut is for general-purpose drilling, while Double Cut gives faster, smoother finishes.
Q: How precise are these drills?
They feature tight diameter tolerances of +.000/-.0005 inches, so holes are consistent and exact.
Q: Can these drills be resharpened?
Yes, carbide drill bits can be professionally resharpened to extend their life.
Q: What does a 20-degree helix angle affect?
It influences chip removal and cutting speed, making drilling smoother and more efficient.
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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 elevate your drilling game—our Carbide Jobber Drills are in stock and ready to ship across the USA. Click add to cart and experience drilling precision and durability today!
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