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HSS Split Point Straight Shank Jobber Drill 5/16″ – Somta Series 102
The SOMTA 1020794 – 5/16″ HSS Jobber Drill Bit is a premium-quality, general-purpose drill manufactured to ANSI standards. Designed for precision and durability, it features a 118° split-point tip for quick, self-centering starts and a right-hand 30° helix for effective chip evacuation. Made from high-speed steel (HSS) and finished with a blue oxide coating, this drill bit provides reliable performance and long tool life in metals, plastics, and wood across workshop, fabrication, and industrial settings.
Key Features Benefits
- 118° Split Point Tip – Reduces bit walking and eliminates the need for a pilot hole.
- Right-Hand Spiral, 30° Helix Angle – Enhances chip removal and drilling stability.
- High-Speed Steel (HSS) – Offers high heat resistance and excellent cutting durability.
- Blue Oxide Finish – Minimizes friction, reduces galling, and improves chip flow.
- ANSI Jobber-Length Standard – Provides ideal reach and rigidity for versatile applications.
- Straight Full-Diameter Shank – Ensures proper alignment and secure grip in drill chucks.
- General-Purpose Use – Suitable for steel, aluminum, plastic, and wood drilling.
Technical Specifications
- Part No: 1020794
- Cutting Diameter: 5/16″ (0.3125″ or ~7.94 mm)
- Flute Length: Approx. 73 mm
- Overall Length: Approx. 118 mm
- Point Angle: 118°, Split-Point
- Helix Angle: 30°, Right-Hand Spiral
- Shank: Straight, Full Diameter
- Material & Finish: High-Speed Steel (HSS), Blue Oxide
- Tolerance: H8
- Standard: ANSI (Inch Series – Jobber-Length)
Why Choose the SOMTA 1020794 Jobber Drill?
- Self-Centering Accuracy – Ensures clean, straight hole starts without drifting.
- Built to Withstand Demanding Use – Ideal for heavy-duty drilling and repeated operations.
- Versatile Material Compatibility – Perfect for MRO, metalworking, and general fabrication.
- Trusted by Professionals – Manufactured to exacting standards for consistent performance.
The SOMTA 1020794 5/16″ jobber drill combines precision geometry, robust HSS construction, and a reliable finish—making it a go-to tool for accurate drilling across a wide range of materials and machining environments.
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