Dormer A108 Split Point Drill Bit for Stainless Steel, 4.0mm

The Dormer A108 Metric Split Point HSS Jobber Drill Bits are precision-engineered for drilling stainless steel, featuring a quick spiral helix design that ensures efficient swarf removal for smoother operation.

Manufactured to DIN 338 RW, BS328, and ISO 235 standards, these drill bits guarantee high performance and durability. The 135° split-point tip enhances accuracy and reduces walking, while the blue surface treatment ensures improved heat resistance and longevity. Made from high-speed steel (HSS), these bits provide excellent hardness and wear resistance for demanding applications.

Key Specifications

• Tip Diameter: 4.0mm
• Working Length (WL): 43mm
• Overall Length (OL): 75mm
• Flute Geometry: Quick Helix, Right-Hand Spiral
• Point Angle: 135° Split Point
• Material: High-Speed Steel (HSS)
• Surface Treatment: Blue

Perfect for professional machinists and metalworkers, the Dormer A108 Drill Bit ensures clean, precise holes in stainless steel with reduced cutting forces and extended tool life.