Carbide tip HSS drill bit opener 16mm HSS hole saw blade drill bit for stainless steel metal alloy drill

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Product parameters

Item Details.

*100% brand new and high quality *Color: black (as shown in the picture) *Material: high speed steel *Hole opener size: approx. 16 mm, 18.5 mm, 20 mm, 25 mm, 30 mm (approx. 0.63", 0.73", 0.79", 0.98", 1.18") *Drilling depth: <3 mm *Quickly and precisely in seconds in steel, stainless steel, iron , copper, brass, aluminum, fiberglass and other laminates *Perfect for drilling large diameter holes in doors and cabinets, knobs for locks or on tables, etc. *Can be used to punch systems for parking sensors *Uses.

*Cutting material must be fixed and not moved. It should be at a right angle of 90 degrees to the opening. * When drilling starts, it should touch the drilling material slowly and not hit the workpiece. Also apply to low rpm (the larger the hole opener, the lower the rpm) *Do not use excessive force when tightening up and down to avoid tightening the screws *Add coolant if conditions allow. When drilling fast, be careful to slow down the subsequent speed. If abnormality or debris removal is not smooth, please stop working and clean the iron debris.