Dormer G136 Countersink Bit (12.4mm, 90°)
Professional Dormer HSS countersink bit (90°, 12.4mm) for precision chamfering. 3-flute ground design doubles as deburring tool.
The Dormer G136 HSS Straight Shank 90° Countersink is a high-speed steel cutting tool designed for precision 90° countersinking in a wide range of materials. With a bright finish and 3-flute ground design, it ensures clean, accurate cuts while doubling as an effective deburring tool.
This countersink bit features a straight shank for secure chuck gripping and all-over grinding for consistent performance. Suitable for both manual and machine use, it delivers professional results in metalworking and fabrication applications.
For specialised requirements, Dormer offers alternative configurations (MTS, 60°/82°/100°, coated versions) available upon request.
Key Features
- 90° countersink angle for standard chamfering
- Bright finish reduces friction
- 3-flute design improves cutting efficiency
- Ground all over for precision performance
- Straight shank ensures secure mounting
- Dual-purpose: countersinking & deburring
- Manufactured from high-speed steel for durability
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Metalworking applications
- Fabrication workshops
- Engine maintenance
- General mechanical engineering
- Material: High-speed steel (HSS)
- Dimensions: 12.40mm diameter
- Type: Straight shank
- Angle: 90°
- Flutes: 3
- Finish: Bright
- Manufacturing Process: Ground all over
- Weight: 23g
Always follow local regulations and product guidance.
Free standard delivery on Canadian 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.
View Full Delivery & Returns PolicySecure Transactions
We take 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.
Recommended Products
Similar Products
You might like
