The Dormer A321 Heavy Duty HSS Drill is designed for reliable performance in medium-depth drilling applications. Its tri-flat shank ensures a secure fit, ideal for hand-held drilling and 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.

Brand Name	Dormer
Colour	Bronze
Material	HSS
Manufacturer Model No	A321
Type	Drill Bit
Usable Tool Depth to Diameter Ratio	3.5×D
Drill Point	135°
Shank	Cylindrical with 3flat
Rotation / Cutting	Right Hand
Tool Tolerance Zone	h8