Article no.: 123691
Solid carbide HPC co-pilot drill, plain shank DIN 6535 HA 20×D TiAlN
No price available
Brand:
GARANT
Information
- Tool material: Solid carbide
- Version: 20×D
- Point angle: 138 °
- Shank: DIN 6535 HA to h6
- Through-coolant: yes, with 40 bar
Description
Version:
Helical fluted, with 4 guide chamfers and internal coolant holes. New generation of high performance co-pilot drills in the HPC range. With 138° point angle and special j6 cutting edge tolerance for optimum generation of a co-pilot hole. High roundness and alignment accuracy of the co-pilot hole.
Note:
Flute length LC = L2 + 1.5 × DC.
To achieve good process reliability with 40×D and 50×D deep-hole drills it is absolutely essential to drill 6×D pilot hole with a No. 122736 and a 20×D co-pilot hole with a No. 123691 co-pilot drill.
The generation of a pilot hole improves process reliability. See also pages 129/130.
To achieve good process reliability with 40×D and 50×D deep-hole drills it is absolutely essential to drill 6×D pilot hole with a No. 122736 and a 20×D co-pilot hole with a No. 123691 co-pilot drill.
The generation of a pilot hole improves process reliability. See also pages 129/130.
