5 Pcs Countersink Drill Bits Set, M35 High Speed Steel Counter Sinker Drill Bits 5 Flute 82 Degree Center Punch Tool Hex Shank 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' Set for Metal, Stainless steel,Wood

Product description

• Material Each drill bit in the countersink drill bit set is made of high quality M35 high speed steel material with excellent heat, corrosion and rust resistance, as well as great cutting power for clean, flat and efficient cuts.Compared with ordinary styles of steel, M35 high-speed steel is harder, more heat-resistant, more durable, and more efficient. It is a super-hard high-speed steel material.
• Debris Discharge Slot The five blades of the 82 degree 5 flute 5 pieces metal drill bit set have been designed in a spiral shape so that there will be a gap between each blade to dislodge debris, which helps to ensure a smooth cut, a flat cutting surface and less sparks or burns.
• Universality The drill bit set contains 5 different sizes, which are 1 4'' 3 8'' 1 2'' 5 8'' and 3 4'', these five sizes can meet most of the daily needs. The bits come with a hexagonal mounting shank for quick setup and release and are suitable for most drills, grinders and grinders.
• Application Countersink drill bit set is mainly suitable for drilling holes in most medium hardness stainless steel, metal, plywood, softwood, hardwood, fibreglass plastics, mild steel, copper, aluminium and so on. Comes with a PVC storage box for easy portability, storage and organisation.These countersink drill bits work hard the profound processing, achieve exact countersink holes and allows the screw heads to be flush and even with the surface of the material being utilized.