Carbide Jobber Drill 9.81mm 2-Flute
Product Overview
If you're in the market for precision and durability, look no further than our Carbide Jobber Drills. Designed for metalworking pros who demand accuracy with every drill, these tools deliver consistent performance on tough materials.
This drill is perfect for machinists and fabricators who need clean cuts and a reliable tool that can keep up with high-volume work. The double cut option offers versatility to handle different materials with ease.
Featuring a sharp 118-degree four-facet split point and a 20-degree helix angle, this drill ensures pinpoint accuracy and reduced walking. Whether you're drilling steel, aluminum, or other metals, this jobber drill is built to impress and get the job done right.
Key Features
- Two flute design for efficient chip removal
- Standard cut or double cut options for versatile applications
- 118-degree four-facet split point for accurate starts and reduced walking
- 20-degree helix angle promoting smooth cutting action
- Durable carbide material for extended tool life
- Precise tolerance with diameter +.000/-.0005 for tight fits
- Flute length of 2-7/8" suitable for deep drilling tasks
- Overall length of 4-1/2" providing excellent reach
- Metric size: 9.81mm (0.3860 inches) for precise dimensioning
Specifications
- Shape / Type: Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Flute Length: 2-7/8"
- Overall Length: 4-1/2"
- Tool Size (Metric): 9.81 mm
- Decimal Equivalent: 0.3860 inches
- Helix Angle: 20 degrees
- Point Angle: 118 degrees, Four Facet Split Point
- Tolerance: Diameter +.000 / -.0005
- SKU / Part Number: 30870
Durability and Precision: Building Your Business on Quality
At Burrs4Less, we understand that reliability isn't just about having a sharp tool; it's about consistent performance day in and day out. These carbide jobber drills are engineered with precision tolerances that reduce rework and minimize downtime, helping your shop maintain steady productivity. The high-quality carbide composition also means you’ll experience fewer broken bits and longer tool life, saving you money on replacements and increasing your return on investment over time.
Trusted Innovation From a USA Supplier You Can Count On
Burrs4Less is proud to provide tools that stand the test of time and tough working environments. Our carbide drills are backed by years of design refinement and customer feedback, making us an industry favorite across the United States. By choosing our products, you tap into a legacy of innovation and reliability that ensures your business stays ahead of the curve, while also benefiting from energy-efficient manufacturing processes that help reduce environmental impact.
Case Study: Real Business, Real Results
Jackson, Mississippi – A local metal fabrication shop needed to boost drilling precision and reduce tool wear for tough steel projects.
"Switching to Burrs4Less Carbide Jobber Drills improved drilling accuracy and extended tool life significantly. We noticed fewer reworks and better hole quality on every batch."
Maria Thornton – Shop Manager
Increased output by 30% while reducing downtime for tool changes
Why the Four-Facet Split Point Gives Better Starts and Less Walking
You might wonder why that 118-degree four-facet split point matters so much. Think of it like putting a sharp, focused tip on a pencil versus a dull one. The split point creates tiny cutting edges that grip the material right away, preventing the drill from wandering or skidding when you start. That means more accuracy and less frustration, especially on smooth or hard metals where drills tend to slip.
Installation and Maintenance Guide
Setting It Up
- Secure the drill bit firmly in the chuck without overtightening to avoid damage.
- Verify the drill size matches your material needs to prevent errors.
- Use appropriate coolant or cutting fluid to reduce heat build-up during operation.
- Align your workpiece well to maintain straight drilling angles.
- Run a test hole on scrap material before full production to check setup.
Keeping It Going
- Clean the drills regularly to remove metal chips and debris for smooth cutting.
- Inspect the tip for chipping or dullness and replace promptly.
- Store drills in a dry place to prevent corrosion.
- Apply cutting fluid consistently during use to extend tool life.
- Avoid overheating by using proper speeds and feeds.
Frequently Asked Questions
Q: What materials are these carbide jobber drills suitable for?
They are designed for metalworking, ideal for steels, stainless steel, aluminum, and other hard materials.
Q: What is the difference between standard cut and double cut?
Standard cut has fewer cutting edges, suitable for softer metals, while double cut offers increased durability for harder materials.
Q: How tight is the diameter tolerance on these drills?
The drills feature a tolerance of +.000 / -.0005 inches for precise hole dimensions.
Q: What does the 118-degree four-facet split point mean?
It refers to the drill tip design that reduces walking and starts cutting sharply for accuracy.
Q: Can I use these drills on non-metal materials?
While designed for metal, they can work on harder plastics but are not optimized for wood or soft materials.
Q: What sizes are available?
This specific SKU is 9.81 mm (0.3860 inches) in diameter with a 2-7/8 inch flute length.
Q: How do I maintain the drill bits?
Regular cleaning, using cutting fluids, and inspection for wear will extend their life.
Q: Are these drills compatible with standard drill chucks?
Yes, they fit most standard drill chucks that accept the relevant shank size.
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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 your projects wait—equip your workshop with our reliable Carbide Jobber Drills today. With precision and durability built-in, these drills will keep your operations running smoothly and your customers happy.
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