high speed steel saw blades uk hss cut off blade products spear and jackson uk

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Applications:
General use conventional cut-off blade for ferrous and non ferrous metals, also suitable for specific plastics.

High speed steel saw blades

Sizes:
Diameter: 100mm to 500mm (4 to 20 inches)
Thickness: 1mm to 4mm (0.04 to 0.16 inches)
Available with standard pin hole arrangements or unislots

Blade Materials
Standard material is M2 Super High Speed Steel
Special saws are manufactured from M35 Cobalt Steel for cutting high alloy steels.

Surface Treatments:
Standard Finish is steam treated oxide

-reduces friction and metal adhesion

-resistance to wear

Specialist Coatings
Widely used for low frictional properties enable faster cutting speeds:

Titanium Nitride (TiN) recommended for mild steel, medium hard steel, hard steel and stainless steels (Gold Colour)
Titanium Aluminium Nitride (TiAlN) recommended for stainless steel, Ni based alloys, refractory stainless, titanium and cast iron. (Bronze Colour)

Also available although used to a lesser extent are:

Titanium Carbon Nitride (TiCN) recommended for mould steel and hard steel 140kg/mm² (Violet Colour)
Hard Chrome recommended for stainless steel, refractory stainless, brass, copper, aluminium and Al alloys. (Silver Grey Colour)

Tooth Geometry
Various tooth forms are available to suit specific cutting applications:

A: Straight Tooth Normal for < 3mm pitch

AW: Straight Bevel Variant of above

B: Curved Tooth Normal for >3mm pitch

BW: Curved Bevel Thin wall steel tubes 3 or 4mm pitch

C: Triple Chip General purpose for steel >4mm pitch

CNS: Alternate Bevel Softer tubes and profiles

Chipbreaker Thin wall tubes, >4mm pitch TiN coated for higher speeds and feeds

For the best performance from HSS blades use a high quality coolant