Description
Cobalt Jobber Drill 3.50 mm – Somta Series 177
The SOMTA 1770350 – 3.50 mm Cobalt Jobber Drill is engineered for high-performance drilling in tough and abrasive materials such as stainless steel, titanium, and alloyed steels. Manufactured to DIN 338 standards, it features a precision-ground 118° point angle, 30° right-hand spiral helix, and a straight shank for stable and accurate operation. Made from HSS-Co (High-Speed Steel with 5% Cobalt), this drill offers outstanding heat resistance, wear durability, and long service life even under demanding conditions.
Key Features & Benefits
- 3.50 mm Cutting Diameter – Ideal for small to medium holes in hard metals and alloys.
- HSS-Co (5% Cobalt) – Enhances strength and heat resistance for drilling harder materials.
- 118° Point Angle – Allows for accurate centering and reduced bit walking on hard surfaces.
- 30° Helix Angle, Right-Hand Spiral – Optimized for smooth chip evacuation and clean cuts.
- Straight Shank – Maintains concentricity and secure grip in standard drill chucks.
- DIN 338 Jobber-Length Standard – Balances reach and rigidity for everyday workshop use.
Technical Specifications
- Part No: 1770350
- Cutting Diameter: 3.50 mm
- Point Angle: 118°
- Helix Angle: 30°, Right-Hand Spiral
- Shank Type: Straight
- Material: HSS with 5% Cobalt (HSS-Co)
- Standard: DIN 338 (Jobber-Length)
- Application: Optimized for stainless steel, high-tensile steel, titanium, and tough alloys
Why Choose the SOMTA 1770350 Cobalt Drill?
- Superior Heat Resistance – Maintains hardness even at high temperatures.
- Reliable in Tough Materials – Designed for stainless steel and alloy drilling where HSS alone may fail.
- Industrial-Grade Durability – Built to last in production environments and high-stress applications.
The SOMTA 1770350 cobalt jobber drill is your go-to solution for high-precision, high-endurance drilling—especially when working with difficult-to-machine materials.
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