Description
Product type:- 20mm HSS Bi-metal Holesaw
Material:- Bi-metal High Speed Steel
Finish:- Red
Description:- • Perfect for a wide range of
applications including
Tool steel and stainless steel,
brass, bronze and aluminium,
plastics and wood.
Diameter:- 20 mm or 25/32 inch
Cutting Depth:- 38 mm
Arbor to use:- A1
Cutting speeds:-
Mild Steel:- 550 rpm
Tool Steel:- 275 rpm
Stainless Steel:-275 rpm
Cast Iron:- 365 rpm
Copper & Brass:- 730 rpm
Bronze:- 730 rpm
Aluminium:- 825 rpm
Wood:- 760 rpm
User Instructions:-
• ALWAYS WEAR SAFETY GLASSES.
• Keep hands, hair and loose clothing
away from all rotating tools.
• Make sure that shaving and chippings are
removed regularly during cutting.
• Use oil or other coolants on most metal
work pieces, except cast iron.
• Use beeswax or paraffin when cutting
aluminium.
• Hold the saw firmly and drill
perpendicular to the work surface.
• Apply sufficient pressure to enable the
saw to cut freely. Clear chips away from
area frequently.
• Operate the saw at the recommended speeds
for the material being cut and the diameter
of the saw. Never exceed the recommended
Cutting speed (see above).
• Avoid excessive heat generation on the
cutting surface.
