Fractional Drills – Jobber Length | 086839114187Fractional Drills – Jobber Length (UPC: 086839114187)
Unlock superior drilling performance with our Fractional Drills – Jobber Length, engineered for precision, durability, and consistent results across a wide range of industrial applications. Whether you are a professional machinist, a seasoned woodworker, or a DIY enthusiast, these job‑length fractional drill bits provide the perfect blend of strength and accuracy to tackle tough materials with confidence.
Key Benefits & Features
- Premium High‑Speed Steel (HSS) Construction: Offers exceptional wear resistance and heat dissipation for prolonged tool life.
- Jobber Length Design: Optimized length for deep hole drilling while maintaining rigidity and minimizing deflection.
- Fractional Size Accuracy: Available in standard fractional diameters (e.g., 1/4", 3/8", 7/16") for precise fit in metric and imperial systems.
- Versatile Material Compatibility: Ideal for drilling steel, stainless steel, aluminum, brass, plastics, and most hardwoods.
- Flute Geometry: Engineered to efficiently evacuate chips, reducing heat buildup and preventing re‑cutting.
- Enhanced Shank Design: CNC‑ground shank ensures perfect centering in chucks, collets, and drill presses.
- Corrosion‑Resistant Coating: Optional titanium nitride (TiN) or black oxide coating extends life in harsh environments.
- Standard UPC 086839114187: Easily searchable and trackable for inventory management.
Technical Specifications
| Specification | Details |
|---|
| Product Name | Fractional Drill – Jobber Length |
| UPC | 086839114187 |
| Material | High‑Speed Steel (HSS) with optional TiN/Black Oxide coating |
| Shank Type | CNC‑ground round shank, 0.125" (3.2 mm) to 0.250" (6.35 mm) depending on size |
| Overall Length | Jobber length – typically 3.0" (76 mm) to 4.0" (102 mm) |
| Flute Count | 2‑flute design for optimum chip clearance |
| Core Diameter | Corresponds to fractional size (e.g., 1/4" core for 1/4" drill) |
| Coating Options | Uncoated, TiN (gold), Black Oxide |
| Tolerance | ±0.001" (±0.025 mm) per ANSI B94.11M |
| Packaging | Individually boxed, with UPC label for easy scanning |
Why Choose Our Fractional Jobber Drills?
In demanding production environments, the reliability of your drilling tools can directly affect cycle times, part quality, and overall profitability. Our fractional drills deliver:
- Consistent Hole Accuracy: Precise tolerance control ensures each hole meets engineering specifications.
- Reduced Tool Wear: High‑speed steel combined with advanced coating technology dramatically extends service life.
- Improved Safety: Balanced weight and reduced vibration lower operator fatigue and enhance safety on the shop floor.
- Easy Integration: Fits seamlessly into standard drill presses, CNC machines, and handheld drills.
- Cost‑Effective Performance: Higher durability means fewer replacements and lower total cost of ownership.
Recommended Applications
These fractional jobber drills are engineered for a broad spectrum of applications, including:
- Machining of automotive components and aerospace brackets.
- Fabrication of metal frames, brackets, and enclosures.
- Production of precision holes for fastening hardware.
- Woodworking projects that require exact pilot holes.
- CNC drilling operations where repeatability and accuracy are critical.
Installation & Usage Tips
- Inspect the drill bit for any visible damage before use.
- Secure the drill in a three‑jaw chuck or collet to achieve true centering.
- Use appropriate cutting fluid for metal drilling to reduce heat and extend tool life.
- Start at a low spindle speed, then increase to the recommended RPM for the material (e.g., 500‑1,000 RPM for steel, 2,000‑3,000 RPM for aluminum).
- Apply steady, moderate feed pressure; avoid forcing the bit to prevent breakage.
- After each use, clean the flutes and apply a light coating of rust inhibitor if stored for extended periods.
Customer Support & Warranty
We stand behind the quality of our fractional drills with a limited lifetime warranty against manufacturing defects. Our technical support team is available to assist with tool selection, troubleshooting, and optimal drilling parameters.
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For bulk orders, inventory inquiries, or detailed technical data sheets, please contact our sales department.
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