Dormer A101 HSS Left Hand Spiral Jobber Drill Bit, 2.5mm
Dormer A101 HSS left-hand spiral jobber drill bit (2.5mm, 57mm OL) for precise reverse drilling in metal and plastic.
The Dormer A101 Metric Traditional Flute Ground Jobber Drill Bit is designed for precision and durability in general machining applications. Crafted from high-speed steel (HSS), this drill bit features a left-hand spiral and a blue finish (bright for diameters below 3mm), ensuring reliable performance and resistance to wear. Manufactured to stringent DIN 338 LN, BS328, and ISO 235 standards, it guarantees consistent quality and accuracy.
With a standard helix flute geometry and a 118° point angle, this drill bit efficiently removes chips and prevents clogging. Its left-hand spiral design makes it particularly useful for specialised applications requiring reverse drilling. The robust construction and precision-ground flutes ensure optimal cutting performance in various materials.
Applications
- General-purpose drilling in metal, plastic, and wood.
- Ideal for situations requiring reverse (left-hand) drilling direction.
- Suitable for precision drilling operations where accuracy and finish quality are critical.
Key Benefits
- High-speed steel (HSS) material ensures long service life.
- Manufactured to DIN 338 LN, BS328, and ISO 235 standards for guaranteed performance.
- Optimised drill point geometry ensures smoother cutting action.
Technical Specifications
- Tip Diameter: 2.50mm
- Working Length (WL): 30mm
- Overall Length (OL): 57mm
- Point Angle: 118°
- Finish: Blue/Bright (for sizes under 3mm)
- Material: High-Speed Steel (HSS)
- Standards: DIN 338 LN / BS328 / ISO 235
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- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
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- General-purpose metal drilling
- Precision machining applications
- Reverse (left-hand) drilling operations
- Plastic and wood drilling where accuracy is required
- Flute Geometry: Standard Helix, Left Hand Spiral
- Point Angle: 118°
- Material: High-Speed Steel (HSS)
- Tip Diameter: 2.50mm
- Working Length: 30mm
- Overall Length: 57mm
- Finish: Blue/Bright (for sizes below 3mm)
- Standards: DIN 338 LN, BS328, ISO 235
- Weight: 75g
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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