7PCS 4 Flute Flat Countersink HSS End Mill Cutter Slot Drill Bits Tool M3-M12
Specifications:
Name:flat countersink
Color:Silver
Material:HSSAL super hard high speed steel
Hardness:HRC65~68°
Type:countersunk head cutter
Whether It Is Coated:NO
Applicable Machine Tools:milling machine
Size:M3.2,M4.2,M5.2,M6.2,M8.2,M10.3,M12.4
 
Features:
100% Brand new and high quality.
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
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