Sherwood Countersink Set, Countersink, Straight Shank, Set of 5, High Speed Steel, Uncoated
A quality range of single flute countersinking bits available in nine individual sizes and as a five piece set for use in the deburring and chamfering of most metals and plastics. Manufactured from high speed steel for durability and performance. Inclusive angle 90°.
Plain Shank Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to manufacturers standard
Counterbores N with a diameter of 50mm and larger are all made with a driving lip. These sizes should be used in the appropriate type M toolholder.
Dimensions (mm) N, NA & W Counterbores N, and NA with Ø of 50 mm and larger are all made with a driving lip. These sizes should be used in the appropriate type M toolholder d: 14.0; d1: 6.0; L: 48.0; L1: 28.0.
Series 36 - Regular Series Dimensions to DIN 844. Centre cutting. Threaded shank to DIN 1835D. Shank cutting diameter to +0.04 -0.0.
Uncoated (for general production machining) TiCN Coated (extends cutter life and improves work material surface finish) TiALN Coated (dissipates and resists heat, reduces surface friction coupled with high surface hardness).
Heavy duty construction manufactured from HSS and cobalt for increased hardness and durability with 6 flutes for improved cutting performance and chip control.
Features and Benefits • HHS-Co construction for improved hardness • 6 flutes for improved chip control and cutting efficiency