Description:

7pcs M3-M12 HSS Countersink Cutter Countersink Drill

Specification:

Materials: HSSAL super hard high speed steel
Size: M3.2,M4.2,M5.2,M6.2,M8.2,M10.3,M12.4

Hardness: HRC65-68°

Type: countersunk head cutter

Whether It Is Coated: NO

Applicable Machine Tools: milling machine

Features:

-HSSAL super hard high-speed steel material, hardness of HRC65 ~ 68 °, suitable for processing steel, castings, copper and aluminum pieces.

-Model Description: 4.2x7.4 said front guide column diameter 4.2MM, blade diameter 7.4MM.

Package Included:

7 x flat countersink