Carbide Jobber Drill 3.99mm 2-Flute
Product Overview
Looking for a drill bit that delivers precision and durability? Our CARBIDE JOBBER DRILLS are designed for metalworking professionals who demand reliable performance on every job. Crafted with a carbide jobber drill cut type, these drills are perfect for tackling tough materials.
Every detail in this drill is built for accuracy, featuring a 2 flute 20 degree helix and a sharp 118-degree four facet split point that helps reduce wandering during drilling. If you're tired of re-drilling or uneven holes, this tool has your back.
Whether you’re working in a fast-paced workshop or a tight precision job, the 2-1/2 inch overall length and flute length of 1-3/8 inch makes it super versatile. Grab these drills to bring consistency and speed to your projects!
Key Features
- Carbide jobber drill cut type for superior hardness and wear resistance.
- Two-flute design to promote efficient chip removal and smooth drilling.
- 20-degree helix angle ensuring optimal cutting action and reduced heat build-up.
- Sharp 118-degree four facet split point for precise hole starting and minimized walking.
- Tolerance level of diameter +.000/-.0005 for exceptional dimensional accuracy.
- Overall length of 2-1/2 inches fitting most standard drilling applications.
- Flute length of 1-3/8 inches tailored for deep, clean cuts even in tough materials.
- Metric size of 3.99 mm (0.1570 inch) ideal for varied project needs.
- Quality construction for long-lasting performance across multiple jobs.
- Versatile use in metalworking environments demanding exact drilling.
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Carbide Jobber Drill
- Head Diameter: 0.1570 inch (3.99 mm)
- Shank Diameter: Standard Jobber Drill size compatible
- Overall Length: 2-1/2 inches
- Flute Length: 1-3/8 inches
- Helix Angle: 20 degrees
- Point Angle: 118 degrees Four Facet Split Point
- Tolerance: Diameter +.000 / -.0005 inch
- Material Compatibility: Metalworking applications
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30402
Why Burrs4Less Carbide Jobber Drills Are a Smart Investment
When running a business that depends on precise drilling and minimal downtime, choosing the right tool is crucial. These carbide jobber drills stand out not just for their sharpness, but for durability that reduces how often you replace bits. Over time, this cuts your maintenance costs and keeps your operation humming smoothly. You’ll also benefit from consistent hole quality, meaning less rework and improved product standards—a real win for your bottom line.
Burrs4Less is proud to offer drills crafted right here in the USA with a long tradition of toolmaking excellence. Our tools meet strict quality control standards and are recognized across the industry for reliability. Choosing our carbide jobber drills means aligning your operation with proven technology trusted by professionals nationwide. Plus, the carbide material’s efficiency often translates to lower energy use during drilling, helping your shop stay eco-friendly without sacrificing performance.
Case Study: Real Business, Real Results
Located in Pittsburgh, PA, Precision Metals Inc upgraded their drilling tools to improve hole quality and throughput.
"Switching to Burrs4Less's carbide jobber drills eliminated our issues with bit wander and extended tool life significantly. Our drilling accuracy jumped noticeably, cutting down rework dramatically."
David Morales – Production Manager
Output increased by 35%, reducing downtime and costs.
How the Four Facet Split Point Boosts Drilling Precision
The four facet split point on these drills acts like a mini guide, helping the bit bite into the material exactly where you want it to. Imagine trying to start a hole with a dull nail versus a sharp chisel — the split point guides the drill precisely, preventing it from skidding off target. This means cleaner, more accurate holes with less effort and less chance of damaging your workpiece. Perfect for anyone who values precision!
Installation and Maintenance Guide
Setting It Up
- Ensure drill chuck size matches the shank diameter of the jobber drill.
- Clean the shank before insertion to avoid slippage during operation.
- Insert drill bit firmly and tighten chuck securely.
- Confirm the drill is aligned straight to prevent uneven wear.
- Use appropriate RPM based on material type for best results.
Keeping It Going
- Regularly inspect the drill tip for signs of wear or dullness.
- Sharpen or replace the carbide drill bit as needed for clean cuts.
- Keep the drill bit free from debris by wiping it after use.
- Store drill bits in a dry place to prevent corrosion or damage.
- Use cutting fluid when drilling metals to extend tool life and reduce heat buildup.
Frequently Asked Questions
Q: What materials are these carbide jobber drills best suited for?
They’re designed mainly for metalworking, handling a range of metals with ease thanks to their carbide cut type.
Q: What does the 118-degree four facet split point mean?
This describes the shape of the drill tip that improves hole accuracy by reducing walking when you start drilling.
Q: Can I use these drills in handheld drills or only CNC machines?
They work well in both handheld and machine setups, as long as the chuck size is compatible.
Q: How important is the tolerance +.000/-.0005 for my projects?
This tight tolerance ensures that the holes drilled are very precise, important for high-quality metal fabrication.
Q: What does the flute length affect in drilling?
The flute length determines the depth of hole you can drill and helps with chip removal during operation.
Q: How should I maintain these carbide drills to extend their lifespan?
Keep them clean, sharpen as needed, and use cutting fluid for metal drilling.
Q: Are these drills compatible with all standard drill chucks?
They fit standard jobber drill shank sizes, so compatibility with regular drill chucks is expected.
Q: Is the 2 flute design better for certain materials?
Yes, 2 flutes are commonly preferred for metalworking as they efficiently clear chips while maintaining strength.
Q: Can this drill bit be used for wood or plastic?
While it’s designed primarily for metal, it can drill wood or plastic, but dedicated bits for those materials may perform better.
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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 let subpar drills slow your production. Get your hands on these Carbide Jobber Drills today and experience drilling precision with a tool made to last. Click 'Add to Cart' now and take the first step towards smoother, sharper drilling performance!
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