Dormer A101 HSS Left Hand Spiral Jobber Drill 5.00 mm DORA101500

The Dormer A101 HSS Left Hand Spiral Jobber Drill is designed for general machining tasks, particularly effective for drilling in steel and other hard materials. It features a left-hand spiral suitable for left-hand running machines, providing precise and efficient drilling. This drill bit complies with DIN 338 LN / BS328 / ISO 235 and is made from High-Speed Steel with a standard flute geometry and a left-hand spiral. It offers a 5.0 mm tip diameter, an overall length of 86 mm, and a working length of 52 mm, with a 118° point angle. A blue finish is noted, with a bright appearance below 3 mm. The specification also includes h8 nominal tolerance and a maximum drilling depth of 4x the diameter.

Technical specifications

• Diameter: 5.0 mm
• Overall length: 86 mm
• Working length: 52 mm
• Tip angle: 118°
• Material: High-Speed Steel (HSS)
• Flute geometry: Standard helix, left-hand spiral
• Nominal tolerance: h8
• Maximum drilling depth: 4xD
• Finish: blue finish (bright below 3 mm)
• Standards: DIN 338 LN / BS328 / ISO 235
• Tip diameter: 5.0 mm
• Compatibility: fits standard drill chucks and drill presses with cylindrical shank bits
• Model: A101

Use appropriate safety equipment and ensure the drill bit is securely tightened in the chuck, following standard drilling procedures.