This 29-piece imperial HSS drill set from Dormer offers split point geometry for improved positional accuracy.
Standard helix, right hand spiral.
Flute geometry: standard helix, right hand spiral, wider flutes.
Point angle: 1.0-1.9mm (inc). 118 4 facet point.
2.0-13.0mm (inc) 118 special point geometry (Dormer P.S. point) giving higher positional accuracy.
Surface treatment: 1.0-1.9mm (inc).
Bright finish. 2.0-13.0mm (inc).
Bright body, TiN coating on working part of tool.
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