Spiral Flute Step Drill Bit 4–39mm x 3mm Increment 8mm HSS Mini Hole Saw 10 mm x 80 mm

10 mm x 80 mm - 3 PCS

the size marked on the ring may be 0

Helix: 30° Right Hand

Morse Taper Size: MT4

5D is the ideal solution for repairing and reinforcing damaged threads in soft materials such as aluminum

Spiral Flute Step Drill Bit 4–39mm x 3mm Increment 8mm HSS Mini Hole Saw 10 mm x 80 mmThis high performance HSS Co5 spiral flute step drill bit is designed for fast, precise enlargement of holes in sheet metal, stainless steel, aluminium, copper, brass, and plastics. Manufactured from premium cobalt high speed steel (HSS Co5), it offers excellent heat resistance, wear resistance, and long service life, making it ideal for demanding industrial and workshop applications. The spiral flute design provides smoother cutting action, improved