Dormer A101 Left-Hand Spiral HSS Jobber Drill Bit, 4mm
Precision Dormer A101 left-hand spiral HSS drill bit (4mm) for metalworking, woodworking, and general machining.
The Dormer A101 Left-Hand Spiral HSS Jobber Drill Bit excels in precision drilling for general machining applications. Featuring a left-hand spiral design, it delivers efficient chip evacuation and smooth operation. Made from high-quality High-Speed Steel (HSS), the drill bit ensures durability and long tool life.
This bit comes with a blue finish (bright for sizes below 3mm) and complies with DIN 338 LN, BS328, and ISO 235 standards, guaranteeing high manufacturing precision and reliability. Ideal for professionals and hobbyists alike, the A101 drill bit provides consistent performance in various materials.
Key Features:
- Flute Geometry: Standard Helix, Left-Hand Spiral
- Point Angle: 118° for versatile drilling
- Material: High-Speed Steel (HSS) for long-lasting sharpness
- Tip Diameter: 4.0 mm
- Working Length: 43 mm
- Overall Length: 75 mm
- Finish: Blue (bright below 3mm)
Whether for metalworking, woodworking, or maintenance tasks, the Dormer A101 ensures accuracy and performance.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- General machining applications
- Metalworking
- Woodworking
- Maintenance and repair tasks
- Ask Claude, ChatGPT or Perplexity to find the right tool, with our live prices and stock.
- Get a ready-made basket: one link puts everything in your basket here.
- You always pay securely here: your assistant never sees your card.
- Material: High-Speed Steel (HSS)
- Flute Geometry: Standard Helix, Left-Hand Spiral
- Point Angle: 118°
- Tip Diameter: 4.0 mm
- Working Length: 43 mm
- Overall Length: 75 mm
- Standards: DIN 338 LN / BS328 / ISO 235
- Weight: 6g
Always follow local regulations and product guidance.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
Similar Products
You might like
