Gold-P coated drill set
1.HSS /HSS Co8
2.plain shank
3.surface:bright body,TiN coating on work part

Gold-P coated drill set

1. Materials: HSS
About 30°helix angle for drill
Tolerance of tool diameter is h8
118°point angle of drills
Flute Geometry: Right hand spiral
Point Angle: 118°,Normal point
Surface Treatment: Bright body,TiN coating on work part
Application: Drilling in steel, cast steel alloyed and Non-alloyed, gray cast iron, graphite, malleable cast iron.

2.Materials: HSS Co8
About 33°helix angle for drill
Tolerance of tool diameter is h8
135°point angle of drills
Flute Geometry: Right hand spiral
Point Angle: 135°---Under 1.6mm: Normal point;
                  From 1.6mm: Split point
Surface Treatment: Bright body,TiN coating on work part
Application: Drilling in steel, cast steel alloyed and Non-alloyed, gray cast iron, graphite, malleable cast iron.

Main details:
HSS straight shank, normal point: 1.0-10.0*0.5mm step---------19 pcs
                            1.0-13.0*0.5mm step---------25 pcs
HSS Co8 straight shank, split point: 1.0-10.0*0.5mm step--------19 pcs
                              1.0-13.0*0.5mm step--------25 pcs