Somta Series 101 - 4.90mm HSS Straight Shank Jobber Drill

Somta Series 101 – 4.90mm HSS Jobber Drill

The SOMTA 1010490 – 4.90mm HSS Jobber Drill is a precision-ground, high-performance cutting tool engineered for reliable accuracy and long tool life. Made from premium high-speed steel (HSS), this jobber drill delivers consistent performance in general-purpose metal drilling applications across both workshop and production environments.

Key Features & Benefits

• Constructed from high-speed steel (HSS) for excellent toughness, durability, and wear resistance.
• Jobber length design ensures the right balance between rigidity and versatility for most drilling operations.
• Precision-ground flutes guarantee efficient chip removal and reduced cutting friction.
• 118° split point geometry ensures accurate centering and minimizes walking on the workpiece surface.
• Ideal for drilling mild steel, aluminum, cast iron, and non-ferrous materials.

Technical Specifications

• Part No: 1010490
• Size (d): 4.90 mm
• Flute Length (I₂): 52 mm
• Overall Length (I₁): 86 mm
• Material: High-Speed Steel (HSS)
• Shank Type: Straight Shank
• Geometry: Type N
• Point Style: Split Point (sizes 3.0 mm–13.0 mm)
• Finish Options: Blue Finish / Bright Finish with TiN Tip / TiN Bright Finish with TiAlN Tip / TiAlN Coated
• Standard: DIN 338

Why Choose SOMTA Series 101 4.90mm HSS Jobber Drill?

• Delivers clean, accurate holes with excellent surface finish.
• Optimized flute design for smooth chip evacuation and reduced heat buildup.
• Proven SOMTA quality ensures consistent results and extended tool longevity.