RUKO ZEB-HSS-DIN333-A-0.8mm HSS Combined Drill and Countersink, 60° Angle, 0.8 mm Pilot, 2.5 mm Shank, 40 mm Length

Precision-ground HSS combined drill and countersink with a 0.8 mm pilot hole diameter, ideal for centering and spot drilling on lathes and machining centers.

Overview

The RUKO ZEB-HSS-DIN333-A-0.8mm is a Type A combined drill and countersink manufactured from high-speed steel (HSS) to DIN 333 standards. Its bright, uncoated finish and straight flute design ensure reliable chip evacuation and accurate centering in steel, cast iron, and non-ferrous metals. With a 60° countersink angle and a 2.5 mm countersink diameter, it produces clean chamfers without a protective chamfer, making it suitable for lathe work and spot drilling applications.

What stands out

• Combined drill and countersink in one tool for efficient centering and chamfering
• Precision ground from HSS for durability and sharp cutting edges
• 60° countersink angle meets DIN 333 Type A specifications
• Right-hand cutting direction with two flutes for smooth operation
• Shank tolerance h8 ensures accurate chucking

Technical details

• Pilot hole diameter (d1): 0.8 mm
• Countersink diameter (d2): 2.5 mm
• Shank diameter (d3): 2.5 mm
• Overall length (l1): 40 mm
• Countersink angle: 60°
• Material: HSS (High-Speed Steel)
• Standard: DIN 333 Type A
• Flute type: Straight flute
• Finish: Bright (uncoated)
• Cutting direction: Right hand cut
• Number of flutes: 2
• Shank tolerance: h8
• Application: Centering, spot drilling, lathe work
• Suitable for materials: Steel, cast iron, non-ferrous metals

Our verdict

A precise and durable centering tool for professionals who demand accuracy in machining operations.