Plain Shank
Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to manufacturers standard

The HSS-Co 5% Countersink 6 Piece Set features high performance, multi flute countersinks in various sizes.

Features and Benefits
• Manufactured from high speed steel and cobalt for improved strength
• Straight shank design with bright finish for improved performance on ductile metals
• Supplied in a robust carry case for easy and secure portability
• straight shank design
• 90° ground flute angle provides optimal cutting performance with an inclusive angle of 90°

Standards
• Manufactured to BS328:Part 5:1983

Contents
• 1x 8, 10, 12.5, 16, 20 and 25mm

Typical Applications
Deburring
Chamfering

5% Cobalt Square Metric.
Cut faster, 'stand up' longer and reduce costs. Square and rectangular toolbits supplied with 15° bevelled ends. Parting-off blades supplied with 2° side taper, 10° bevel (top and bottom).

HSS multi diameter step drills produce good quality holes in a wide variety of sheet metal, using either a bench drill or light pedestal drilling machine. Manufactured from high speed steel, they offer sound rigidity, strength and stability when machining. Each tool cuts parallel holes in a range of specific sizes and is compatible with materials up to 1/8" (3mm) thick.

Features and Benefits
• High speed steel construction for greater strength, rigidity and stability
• Excellent wear and heat resistance for prolonged tool life
• Cuts parallel holes in sheet metal

Typical Applications
• Drilling
• Sheet metal

Notes
• Available sizes 1-12mm to 6-37mm