Standard Cut Carbide Jobber Drill 8.4mm
Product Overview
If you're looking for a reliable drill that gets the job done right every time, these Carbide Jobber Drills are a solid pick. Designed with precision in mind, they're built to tackle a variety of materials with ease.
Perfect for metalworking pros and machining enthusiasts alike, these drills combine strength and accuracy to help you maintain top-notch performance on any project.
With a versatile 2 flute design and a 118-degree split point, these drill bits are engineered to deliver clean, efficient cuts that make your work smoother and more efficient.
Key Features
- 2 flute design for balanced performance and efficient chip removal
- 20-degree helix angle to optimize cutting action
- 118-degree four-facet split point for superior centering and reduced walking
- Standard or double cut options for versatile machining needs
- Precision tolerance of Dia. +.000/-.0005 for exact fit
- 63mm flute length for deeper drilling applications
- 100mm overall length ideal for standard jobber tasks
- Durable carbide material ensures long-lasting wear resistance
Specifications
- Shape / Type – Standard Jobber Drill
- Cut Type – Standard Cut or Double Cut
- Head Diameter – 8.40 mm (0.3307 inch)
- Shank Diameter – 8.40 mm (matching diameter)
- Flute Length – 63 mm
- Overall Length – 100 mm
- Material Compatibility – Suitable for metalworking applications
- Brand / Manufacturer – Burrs4Less
- Made In – USA
- SKU / Part Number – 30774
More Than Just a Carbide Jobber Drill: Built for Longevity and Precision
Investing in quality drill bits like these Carbide Jobber Drills means reduced downtime and fewer replacements in the long run. Since carbide is incredibly hard and wear-resistant, these drills hold their sharp edge far longer than standard high-speed steel bits. This durability translates to fewer work interruptions, less time changing tools, and ultimately, improved cost efficiency—benefits that any busy shop can appreciate.
Trusted Brand, Trusted Performance
Burrs4Less has built a reputation for combining precision manufacturing with quality materials, delivering tools engineers and fabricators trust. With these Carbide Jobber Drills, you’re not just getting another drill bit — you’re tapping into decades of expertise dedicated to innovation, consistency, and customer satisfaction. Plus, manufacturing right here in the USA means rapid delivery and excellent customer support that keeps your business running smoothly.
Case Study: Real Business, Real Results
Located in Cleveland, Ohio, Precision Fabricators sought better drill bits for higher accuracy and less downtime.
"Switching to these Carbide Jobber Drills has transformed our workflow. The drill’s precision and durability allow us to run jobs faster and hit our exact specs every time."
Lisa Chen – Production Manager
Increased drilling efficiency by 30%, reducing scrap and boosting productivity.
Why a Four-Facet Split Point Makes Drilling Easier
The four-facet split point design isn’t just a fancy name—it’s what keeps your drill bit from wandering when you start a hole. Think of it like having a steady hand guiding your drill exactly where you want it. This design breaks the cutting edges into smaller sections, which reduces the amount of pressure needed and lets the bit bite into the material cleanly and consistently. The result? Cleaner holes, less walking, and less hassle during your projects.
Installation and Maintenance Guide
Setting It Up
- Make sure the drill chuck matches the shank size of 8.40 mm
- Securely tighten the drill bit to prevent slipping during operation
- Check that your drill speed matches the carbide drill recommendations
- Use cutting fluid to extend the drill bit’s life and improve cutting quality
- Ensure your workpiece is clamped securely to avoid movement
Keeping It Going
- Inspect drill bits regularly for signs of wear or dullness
- Clean debris from the flutes after each use to maintain chip flow
- Store drills in a dry, safe place to prevent corrosion or damage
- Sharpen or replace bits when cutting becomes inefficient or rough
- Avoid overheating by using proper speeds and cooling techniques
Frequently Asked Questions
Q: What materials are these Carbide Jobber Drills suitable for?
A: They work best on a variety of metals and hard materials, especially where precision drilling is critical.
Q: Can I use the drills with both standard and double cut types?
A: Yes, depending on your application, you can Select the appropriate cut type for your project’s needs.
Q: What does the 118-degree split point do?
A: It helps the drill bit start more accurately and prevents walking on the material surface.
Q: What maintenance is required to keep these drills in top condition?
A: Regular cleaning of flutes, proper storage, and using cooling fluids will extend their service life.
Q: Are these drills compatible with handheld drills?
A: Yes, as long as the drill chuck can securely hold the 8.4 mm shank diameter.
Q: How precise is the diameter tolerance?
A: The tolerance is very tight at Dia. +.000/-.0005, ensuring high precision drilling.
Q: What length are these drills?
A: They have a flute length of 63 mm and an overall length of 100 mm, ideal for many drilling applications.
Q: Is this drill suitable for deep hole drilling?
A: The standard flute length is suitable for moderate depths; deeper holes may require special tools.
-
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.
-
Premium Quality
Pro-grade tungsten carbide burrs for durable, precise work.
-
Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
-
Fast & Free Shipping
24-hour shipping, free on $100+ orders.
-
Expert Guidance
Team assists in picking ideal burr for materials.
Ready for Order
If you’re ready to upgrade your drilling toolkit, these Carbide Jobber Drills are stocked and ready to ship. Don’t miss out on the precision and durability your workshop deserves—place your order today and feel the difference quality makes!
#CarbideDrills#JobberDrills#MetalworkingTools#PrecisionDrilling#DurableTools#Machining#DrillBits#ToolingSolutions#USAQuality#Burrs4Less