Standard Jobber Carbide Drill 7.25mm
Product Overview
Looking for a reliable drill bit that gets the job done right every time? The CARBIDE JOBBER DRILLS combine precision and durability, perfect for metalworking pros who demand the best.
Designed with a 2-flute, 20-degree helix and a sharp 118-degree four-facet split point, these drills are made for clean, accurate drilling with minimal walking. That’s great news for machinists who value precision and efficiency.
With tight tolerances and a choice between standard cut or double cut options, these jobber drills handle a wide variety of materials, making them the go-to choice for your workshop’s toughest tasks.
Key Features
- Constructed with carbide for long-lasting cutting edge
- 2 flute design enhances chip evacuation and drilling speed
- 20 degree helix angle reducing heat and improving hole quality
- 118 degree four-facet split point for precise starts and reduced walking
- Available in standard cut or double cut versions for versatile application
- Tight diameter tolerance of +.000/-.0005 for exact fit holes
- Overall length of 89mm with 54mm flute length for deep drilling tasks
- Metric size 7.25 mm (0.2854 inch) fits standard tool holders
Specifications
- Shape / Type: Standard Jobber Drill
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 7.25 mm (0.2854 inch)
- Shank Diameter: 7.25 mm
- Overall Length: 89 mm
- Flute Length: 54 mm
- Helix Angle: 20 degrees
- Point Angle: 118 degrees, four-facet split point
- Tolerance: +.000 / -.0005 inches
- Material Compatibility: Metals and alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 30696
Durability and Precision You Can Count On
Choosing Burrs4Less carbide jobber drills means your workshop benefits from high-quality tools that stand up to repetitive, high-speed use without losing their edge. Their tight manufacturing tolerances and carefully engineered split-point design reduce downtime and rework, helping your team hit production targets with less stress. Over time, investing in tools like these means fewer emergency replacements and better consistency, saving you time and money in your operations.
Trust in a Proud American Brand
Made right here in the USA, Burrs4Less continues a tradition of delivering dependable cutting tools backed by expert craftsmanship. This means you’re not just buying any drill bit but a solution supported by decades of industry insight. The brand’s commitment to innovation ensures products meet the evolving needs of metalworking professionals, keeping you ahead in a competitive market. Additionally, stringent manufacturing standards help promote greener practices by reducing waste and improving energy use.
Case Study: Real Business, Real Results
Located in Phoenix, Arizona, Precision Engineering Inc. revamped their drill process to improve hole quality for aerospace components.
"Switching to Burrs4Less CARBIDE JOBBER DRILLS cut our rework time significantly and improved hole consistency across batches."
Cara Mitchell – Production Manager
They increased throughput by 30%, reducing waste and boosting customer satisfaction.
How the Four-Facet Split Point Enhances Drilling Accuracy
The four-facet split point on these carbide jobber drills acts like a guide, helping the bit start cleanly without wandering. Imagine trying to screw a hook into a wall without pre-drilling – the hook might slip or misalign. This drill’s pointed design keeps everything right on track, especially when precision is key. It splits the material efficiently, reducing pressure and heat buildup, which means cleaner holes and longer tool life. This feature really pays off when accuracy can’t be compromised.
Installation and Maintenance Guide
Setting It Up
- Ensure the drill chuck is clean before inserting the bit
- Insert the drill bit fully and securely tighten the chuck
- Check the drill bit orientation for proper cutting edge alignment
- Set the drill speed appropriate for the material you’re working on
- Wear safety gear to protect eyes and hands
Keeping It Going
- Regularly clean the drill bit flutes to prevent clogging
- Use cutting fluid to reduce heat and extend tool life
- Inspect for dull edges and replace when efficiency drops
- Store bits in a dry, secure case to avoid damage
- Sharpen carbide drills professionally if possible to restore cutting precision
Frequently Asked Questions
Q: What materials are these carbide jobber drills suitable for?
They’re excellent for drilling metals and various alloys, providing precision cuts and long tool life.
Q: What’s the difference between standard cut and double cut?
Standard cut drills are for general purpose drilling, while double cut has extra cutting edges for smoother, faster drilling in harder materials.
Q: What does the 118-degree four-facet split point do?
It helps the drill start holes cleanly with less walking, ensuring greater precision in your work.
Q: Can these drills fit standard chucks?
Yes, the 7.25 mm (roughly 0.285 inch) shank fits most standard drill chucks designed for metric sizes.
Q: How deep can I drill with these bits?
You can drill up to the flute length of 54 mm effectively, with the overall bit length at 89 mm.
Q: Are these drills made in the USA?
Yes, these carbide jobber drills are proudly manufactured in the USA.
Q: How tight is the tolerance?
The diameter tolerance is very precise at +.000/-.0005 inches, ensuring excellent fit and finish.
Q: Can I sharpen these carbide bits myself?
Carbide requires specialized equipment to sharpen properly, so professional sharpening is recommended.
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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 setup — get your CARBIDE JOBBER DRILLS today and experience precision and durability like never before. Order now to keep your projects running smoothly and efficiently!
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