Dormer G570 10.4mm 3flute 90degree Cobalt Alticn Coated Straight Shank Countersink

Product Description

DORMER G570 10.4MM 3FLUTE 90DEGREE COBALT ALTICN COATED STRAIGHT SHANK COUNTERSINK

The 10.4mm 90° 3-Flute HSS-E Cobalt Countersink is a professional-quality cutting tool designed for producing accurate, clean conical seats for ISO metric countersunk-head screws. Manufactured from high-speed cobalt steel and finished with an AlTiCN (Aluminium Titanium Carbon Nitride) coating, it provides excellent wear resistance and dependable cutting performance on demanding engineering materials.

Manufactured to DIN 335 C, the three-flute design provides smooth, controlled cutting and a high-quality countersunk finish. With a maximum cutting diameter of 10.4mm and a 90° countersinking angle, it is suitable for countersinking holes from a minimum diameter of 2.5mm.

Key Features

3-flute design for smooth and controlled countersinking
90° countersinking angle
HSS-E cobalt steel construction for excellent durability
AlTiCN coating for enhanced wear and heat resistance
Manufactured to DIN 335 C
Produces accurate seats for ISO metric countersunk-head screws
Right-hand cutting design
6mm straight cylindrical shank
Suitable for demanding steels, stainless steels and cast materials
Professional-quality tool for engineering and manufacturing applications

Ideal Applications

Countersinking drilled holes
Producing seats for countersunk-head screws
Chamfering holes
Edge chamfering
Deburring drilled holes
Engineering and fabrication
Toolmaking
General machining
Suitable Materials
Alloy Steel
Tool Steel
Ferritic Stainless Steel
Martensitic Stainless Steel
Austenitic Stainless Steel
Grey Cast Iron
Malleable Cast Iron
Ductile Cast Iron
Compacted Graphite Cast Iron

Specifications

Product Type: 3-Flute Countersink
Maximum Diameter: 10.4mm
Minimum Hole Diameter: 2.5mm
Countersink Angle: 90°
Number of Flutes: 3
Overall Length: 50mm
Head Length: 9.7mm
Shank Diameter: 6mm
Shank Type: Straight / Cylindrical
Tool Material: HSS-E Cobalt
Coating: AlTiCN
Standard: DIN 335 C
Cutting Direction: Right Hand
Operating and Safety Information

Ensure the countersink is securely mounted before use and select an appropriate cutting speed for the material being machined. Suitable cutting fluid should be used where recommended to improve cutting performance, surface finish and tool life.

Always wear appropriate PPE, including eye protection, and ensure the workpiece is securely clamped before machining.

The 10.4mm 90° HSS-E Cobalt Countersink combines precision geometry, a durable AlTiCN coating and high-performance cobalt steel construction, making it an excellent choice for professional countersinking, chamfering and deburring applications.