HSS-G metal drill extended 8.0x390mm

Drill made of high-speed steel 4241 with a hardness of 62 HRc and a point angle of 118 degrees.

• Diameter: 8mm
• Total length: 390mm
• Straight grinding without correction of the bevel, suitable for manual sharpening
• Right-hand spiral type N
• Cylindrical shank corresponding to the diameter of the drill
• The surface of the drill is coated with an oxide layer, ensuring a low coefficient of friction and increasing drilling performance
• Compatible with DIN 1869 II
• Use with coolant
• Recommended coolants: drilling emulsion, lubricant, and cooling oil, ester oil
• The use of coolant increases the lifespan of the drill by 4 times
• Designed for laboratory applications for alloy and carbon steel with a strength of up to 900N/mm2, gray and malleable cast iron, sintered iron, non-ferrous metals, and hardened plastics
• Drill type: HSS
• Quantity: 1 piece
• Drill diameter: 8mm
• Total length: 390mm
• Shank type: cylindrical
• Application: for metal