Standard Cut Carbide Jobber Drill 8.84mm
Product Overview
Meet the Carbide Jobber Drill, the reliable workhorse for any metalworking workshop that values accuracy and durability. Designed with a sharp 118-degree four-facet split point, this drill starts on contact with less walking for cleaner, more precise holes.
If you're a professional or an enthusiast who needs drills that hold up under heavy use, this tool is built just for you. The 2 flute design and 20-degree helix angle work together to evacuate chips efficiently, keeping your job flowing without interruption.
Craftsmanship meets precision with our Carbide Jobber Drills, boasting tight diameter tolerances that ensure each hole hits the specs exactly. Whether you're working with steel, aluminum, or other metals, this drill is ready to deliver high-quality results every time.
Key Features
- Standard or double cut options to match your material and application needs
- 2 flute design for effective chip removal and smooth drilling
- 20-degree helix angle enhances cutting efficiency and durability
- 118-degree four-facet split point reduces walking and improves centering
- High precision diameter tolerance: +.000/-.0005 for reliable hole size
- Metric size of 8.84 mm (decimal equivalent 0.3480) for exact fitting
- Long flute length of 2-1/2 inches suitable for various job depths
- Overall length of 4 inches allowing deeper drilling capability
- Made of high-quality carbide for excellent wear resistance and long lifespan
- Perfect for standard jobber drill applications in metalworking and fabrication
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 8.84 mm (0.3480 inch)
- Shank Diameter: Same as drill diameter (standard jobber drill)
- Overall Length: 4 inches
- Flute Length: 2-1/2 inches
- Helix Angle: 20 degrees
- Point Angle: 118 degrees, four-facet split point
- Tolerance: Diameter +.000/-.0005
- Material Compatibility: Suitable for metals like steel, aluminum, etc.
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30806
Why Carbide Jobber Drills Are an Investment in Long-Term Shop Efficiency
Choosing our Carbide Jobber Drills means investing in tools that keep your operations running smoothly. Carbide material ensures these drills resist wear far better than their high-speed steel counterparts, reducing how often you need to replace or sharpen them. Less downtime and fewer tool changes mean your workflow stays efficient and costs come down over time. Robust construction also means fewer broken bits, helping you avoid costly project delays and part defects.
The Burrs4Less brand is known nationwide for combining precision manufacturing with rigorous quality standards. Our jobber drills reflect decades of experience supplying metalworking pros who demand consistency day in, day out. when you pick our drills, you’re getting a trusted tool that helps your business meet deadlines with confidence while delivering a polished, professional finish every time.
Case Study: Real Business, Real Results
Chicago, IL – Precision Machine Shop upgraded their drilling tools to improve hole accuracy and reduce downtime.
“Switching to the Burrs4Less Carbide Jobber Drills has made a noticeable difference. They cut faster, stay sharper much longer, and our rework rates have dropped significantly.”
Lauren Thompson – Production Manager
Increased output efficiency by 30% and reduced tool replacement costs by 25%
Why a Four-Facet Split Point Makes Drilling Easier and More Exact
The four-facet split point on this drill plays a big role in how smoothly and accurately your holes come out. Imagine trying to start a hole with a blunt pencil versus a sharpened one. The split point acts like that sharp pencil tip, preventing the drill from wandering or 'walking' across the surface when you first begin. This means your hole starts exactly where you want it, reducing material waste and corrections.
Additionally, the split point reduces the force needed to penetrate the material, making the drill less likely to overheat or dull too quickly. It’s like having a helper that guides your drill bit precisely and effortlessly.
Installation and Maintenance Guide
Setting It Up
- Ensure the drill press chuck or handheld drill collet matches the 8.84 mm diameter for secure grip.
- Clean the chuck or collet to avoid debris reducing grip strength.
- Insert the drill so that it’s fully seated and tightened firmly to prevent slippage.
- Set the drill speed depending on material — slower for harder metals, faster for softer metals.
- Use proper lubrication or cutting fluid to keep the carbide tip cool and extend tool life.
Keeping It Going
- Inspect the drill bit regularly for signs of wear or dullness.
- Sharpen the drill bit professionally when the cutting edges lose sharpness.
- Store the drills in a dry, organized place to avoid damage to cutting edges.
- Clean the flutes after each use to prevent chip buildup that can affect performance.
- Avoid excessive pressure during drilling to maintain tool integrity and prevent breakage.
Frequently Asked Questions
Q: What materials can these Carbide Jobber Drills be used on?
They are designed for use on a wide range of metals, including steel, stainless steel, and non-ferrous metals like aluminum.
Q: What does the four-facet split point do?
It reduces walking at the start of drilling, giving you more precise hole placement and easier penetration.
Q: Are these drills compatible with handheld drills or only drill presses?
They can be used in both handheld drills and drill presses, provided the shank fits securely.
Q: Can I use cutting fluid with these carbide drills?
Yes, using cutting fluid helps keep the drill cool, sharpening its edge life and improving performance.
Q: What is the advantage of choosing double cut over standard cut?
Double cut bits provide a smoother finish and are better for harder materials, though standard cut is often faster for softer metals.
Q: What is the tolerance rating and why does it matter?
The diameter tolerance of +.000/-.0005 ensures highly precise hole sizes critical for tight fitting parts.
Q: How long is the flute length?
The flute length is 2-1/2 inches, suitable for a variety of job depths.
Q: Should I sharpen these drills or replace them when dull?
Carbide drills can be resharpened by a professional to extend their lifespan.
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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 performance with our top-quality Carbide Jobber Drills. Perfect your holes with every pass — stock is ready and waiting for you to order today and keep your projects moving forward smoothly.
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