A321 HSS Steam & Tempered Drill Bit

The Dormer A321 Heavy Duty HSS Drill is specifically designed for reliable performance in medium-depth drilling applications. Its tri-flat shank ensures a secure, non-slip fit in the chuck, making it ideal for both hand-held drilling and use with pillar drill machines. The drill's self-centring 135° split point minimises thrust force, ensuring efficient and precise drilling. Its steam and bronze-tempered surface finish enhances lubricity, reducing friction and wear during use. Engineered for versatility, this drill is well-suited for drilling into a wide range of thin-walled materials, delivering durability and consistent results.

Features and Benefits

• Steam and Bronze Tempered Surface Finish
• High Speed Steel Tool Material
• 3.5×D Usable Tool Depth to Diameter Ratio
• Drill Point 135°
• Cylindrical Shank with 3flat
• Right Hand Rotation / Cutting
• h8 – Industry Standard Tool Tolerance Zone (based on diameter range)