The Somta Series 136 7/16" Straight Shank Extra Length Drill Bit is manufactured from premium High-Speed Steel and designed for deep hole drilling where extended reach is required. Produced to ISO 3292 standards, this extra length drill provides excellent accuracy, durability, and reliable cutting performance for industrial and engineering applications.

Featuring a straight shank design with a standard 118° point, this drill delivers smooth penetration and efficient chip removal when drilling a wide range of general engineering materials. The blue finish improves wear resistance while maintaining excellent cutting characteristics, making it suitable for workshop, maintenance, and production environments.

Key Features & Benefits

• Manufactured from premium High-Speed Steel (HSS)
• Extra length design for deep hole drilling applications
• Manufactured to ISO 3292 standards
• Straight shank for use in standard drill chucks
• 118° standard point for reliable centring and cutting performance
• Blue finish for improved wear resistance
• Precision ground for accuracy and long service life
• Suitable for general engineering materials
• Ideal for industrial, fabrication and maintenance workshops

Technical Specifications

• Brand: Somta
• Series: 136
• Part Number: 1361111
• Drill Diameter: 7/16" (11.112mm)
• Overall Length (l1): 12" (400mm)
• Flute Length (l2): 300mm
• Shank Type: Straight Shank
• Material: High-Speed Steel (HSS)
• Standard: ISO 3292
• Point Type: Standard Point
• Point Angle: 118°
• Finish: Blue Finish
• Application: Deep Hole Precision Drilling
• Suitable Materials: General Engineering Materials

Somta extra length drills are trusted worldwide for their quality and performance. The Series 136 straight shank drills are engineered to provide exceptional reach, accurate hole production, and dependable durability for demanding drilling applications.