M35 High Speed Steel Parabolic Flute Drill Bit, 8mm Drill Dia. 200mm Length 14.5 X 125mm and hobby uses

and hobby uses

5mm x 50mm / 0

42 MHz(GPS)

Features: 250 x 80 x 70mm size

Please measure the tube size before purchasing

M35 High Speed Steel Parabolic Flute Drill Bit, 8mm Drill Dia. 200mm Length 14.5 X 125mm and hobby usesDescription 1. Made of M35 HSS(High Speed Steel) cobalt steel. With high hardness and red hardness, wear resistant, and fast drilling performance. 2. The gold oxide surface treatment increases the hardness of the drill bit, provides longer drilling life and better drilling performance, and is more durable and corrosion resistant than uncoated drill bits. 3. The parabolic flute adopts a wide groove structure to increase the chip flow rate and ensure