Dormer A108 HSS Jobber Drill Split Point 5.00 mm Pack of 10

The Dormer A108 Metric Split Point HSS Jobber Drill Bits are designed for machining stainless steels, including Austenitic grades. They feature a quick spiral helix that enables rapid swarf removal, aiding drilling performance in stainless steels. These drills are manufactured from High Speed Steel and finished with a blue surface treatment. They are produced to DIN 338 RW, BS328, and ISO 235 standards. The design includes a 135° point angle for efficient self-centering entry and reduced thrust, with a split point effective up to 1.5 mm and a standard 135° point for sizes 1.6 mm and above. Overall, the combination of material, geometry, and finish makes them suitable for precise drilling in stainless steel applications while maintaining reliable penetration and edge life.

Specifications

• Tip diameter: 5.0 mm
• Working length: 52 mm
• Overall length: 86 mm
• Flute geometry: Quick Helix, right-hand spiral
• Point angle: 135° (135° Split Point up to 1.5 mm; 1.6 mm and above)
• Material and finish: High Speed Steel with blue surface; standards DIN 338 RW / BS328 / ISO 235