4mmx25mm Titanium Plated High Speed Steel Single Flute End Mill Bit 50mm Length 7/16"x1-3/8"x7/16" The grommet kit contains 50

The grommet kit contains 50 Set of eyelets

The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off

thus last for a long time

long-lasting new

Top Outer Diameter: 147mm / 5

4mmx25mm Titanium Plated High Speed Steel Single Flute End Mill Bit 50mm Length 7/16"x1-3/8"x7/16" The grommet kit contains 50High speed steel end mill has high hardness, good toughness, wear resistance, and good processing performance. Titanium coating provides excellent corrosion resistance, greatly improves wear resistance and hardness, and reduces the coefficient of friction. Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. Upcut end mills can direct chips up and away from the milling area, leaving an