Letter Drills – Jobber Length (086839134062) | High‑Performance Cutting ToolLetter Drills – Jobber Length (086839134062)
Premium Letter Drills – Jobber Length ready for precision drilling.Product Overview
The Letter Drills – Jobber Length (UPC 086839134062) are engineered for professionals who demand exceptional accuracy, long‑lasting durability, and high cutting speeds across a variety of materials. Whether you’re machining metal, shaping wood, or operating CNC equipment, these job‑length drill bits deliver consistent performance while reducing tool wear and downtime.
Key Features & Benefits
- Precision Ground Cutting Edge – Optimized geometry ensures clean, burr‑free holes on the first pass.
- Jobber Length Design – The classic 2‑inch (50 mm) shank provides superior chip evacuation and increased rigidity.
- High‑Grade Tool Steel – Constructed from S2 or M2 high‑speed steel (HSS) for maximum hardness and heat resistance.
- Versatile Material Compatibility – Ideal for steel, stainless steel, aluminum, brass, plastic, and hardwood.
- Enhanced Flute Design – Deep, helix flutes improve chip removal and reduce vibration.
- Corrosion‑Resistant Finish – Black oxide coating extends service life in harsh environments.
- Easy Identification – Clearly marked lettering on the shank for quick tool selection.
Technical Specifications
| Specification | Details |
|---|
| UPC | 086839134062 |
| Length (Overall) | 2 in (50 mm) – Jobber length |
| Shank Diameter | 0.250 in (6.35 mm) |
| Material | S2 / M2 High‑Speed Steel (HSS) |
| Coating | Black Oxide (Corrosion resistant) |
| Flute Count | 2 (Standard helix) |
| Recommended RPM | Up to 12,000 rpm (depending on material) |
| Tolerance | ±0.001 in (±0.025 mm) |
Why Choose Our Letter Drills?
When precision matters, the Letter Drills – Jobber Length stand out as a reliable choice for machinists, fabricators, and hobbyists alike. Their robust construction minimizes deflection, ensuring hole accuracy even at high speeds. The jobber length offers the perfect balance between rigidity and flexibility, making it suitable for deep drilling without compromising control.
Applications
- Automotive component drilling
- Aerospace fastener preparation
- Industrial equipment maintenance
- Furniture manufacturing
- Metal fabrication and prototyping
- CNC machining centers
- Handheld drill presses and magnetic bases
Installation & Safety Tips
- Verify that the drill press or handheld drill is powered off before inserting the bit.
- Secure the drill bit tightly in the chuck to prevent run‑out.
- Use appropriate cutting fluid for metal applications to reduce heat buildup.
- Maintain a steady feed rate; excessive pressure can cause premature wear.
- Inspect the cutting edge regularly; replace if burrs or chips develop.
Customer Support & Warranty
We stand behind the quality of our Letter Drills with a 1‑year limited warranty against manufacturing defects. Our technical support team is ready to assist with tool selection, application advice, and troubleshooting.
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