Set of drills for metal 1-10 mm x 0.1 mm HSS Co5 with cylindrical shank for NC, CZ004

Set of spiral cobalt grinders with cylindrical shank, type CZ004
Angle of blade: 118 ° (-2 °)
Helix angle: 25-30 °
Angle of drill bit width: 25 ° (-2 °)
Material: HSSE - Co5 Rapid Steel
Standard: Business Standard, Drilling Length Corresponds to DIN338
Cobalt Tungsten-Molybdenum Steel with Very Good Cutting Properties, Hardness at Higher Temperatures and Brightness, Suitable for heavily machinable materials with a tensile strength of up to about 1000 PMa.
CZ004 CZ004 Special cutting edge cutting edge significantly reduces the friction of the ridge of the drilling material while at the same time creating optimal conditions for the coolant supply directly to the cutting point .
Thanks to its optimally chosen geometry, the drill tip significantly contributes to the high drill bit stability even at high cutting speeds while ensuring high dimensional and geometrical accuracy of the bore holes.
Angle of pitch and geometry of the CZ004 drill spiral creates optimum conditions for chip formation and removal including coolant inlets
Reduces the roughness of the cut surfaces of the CZ004 drill bit reduces the size of the ultimate forces during drilling and chip removal.
Very thin core at the front of the drill significantly reduces the necessary axial forces for drilling and subsequent heat generation while maintaining the stiffness of the drill due to multiple increases in core thickness continuously towards the drill bit

Extremely powerful drill bit with high the heat sinking, whose dimensions correspond to DIN 338, but its revolutionary geometry developed on the basis of years of experience, classifies this drill as a cutting tool for high-speed steel in the field of drilling, in particular for: tensile strength of 900 N / nm2
- high-alloy steels resistant to corrosion, acids and