Somta Series 350 – 4.0 mm HSS-Co8 2 Flute End Mill (Slot Drill)

Somta Series 350 – 4.0 mm HSS-Co8e Slot Drill 2 Flute | 3500400

The SOMTA 3500400 is a professional-grade 4.0 mm HSS-Co8e 2-flute slot drill designed for general-purpose and precision slotting operations. Its cobalt-enriched composition enhances cutting edge stability and heat resistance, while its sharp, centre-cutting geometry ensures efficient plunging and contouring performance on tough metals.

Key Features & Benefits

• Premium HSS-Co8e Steel – Offers superior durability and hot hardness for heavy-duty machining.
• 2-Flute Design – Provides smooth chip flow and a fine surface finish.
• Centre-Cutting Geometry – Ideal for plunge cutting, slotting, and profile milling.
• TiAlN Coating Option – Increases tool life and performance in dry and high-speed operations.
• BS 122 Compliance – Manufactured to consistent quality and dimensional accuracy.

Technical Specifications

• Part No: 3500400
• Tool Type: 2-Flute Slot Drill
• Cutting Diameter (d): 4.0 mm
• Flute Length (l₂): 12.5 mm
• Overall Length (l₁): 66.5 mm
• Shank Diameter (d₁): 6 mm
• Number of Flutes: 2
• Material: HSS-Co8e (Cobalt Alloy)
• Coating: Uncoated / TiAlN
• Helix Angle: 30°
• Application: Precision slotting, keyway cutting, and general-purpose milling on steels, stainless, and cast iron.

Why Choose SOMTA Cutting Tools?

• Long-Lasting Performance – Engineered for extended use under demanding machining loads.
• High Accuracy – Produces reliable and repeatable results in fine milling operations.
• Optimized Geometry – Ensures excellent chip evacuation and minimal vibration.
• South African Engineering Excellence – Designed and produced to SOMTA’s world-class standards.

The SOMTA 3500400 is a dependable, high-precision slot drill that delivers clean cuts and consistent results across various industrial applications.