1mm x 6mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs Coupling Nuts these sandpapers have the high-strength

these sandpapers have the high-strength polishing ability and long-lasting grinding power

Mounting Hole Centers: 120mm(+/-3mm) / 4

finishing and side milling operations

Capacity: 250ml/8

Fit Hole Size: 52-57mm

1mm x 6mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs Coupling Nuts these sandpapers have the high-strengthMade of super fine grain carbide, the end mill cutter has high hardness (HRC92), high strength, and wear resistance. With good milling and cutting performance, carbide can run at higher speed than high speed steel. Features square end cut, 4 flute design, large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting. The AlTiSin composite coating has high hardness, high wear resistance and high thermal