HAHN+KOLB-Toolcatalog 2011/12 – Metal Cutting Tools

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Step drills HSS
sets in box
Execution: shank with three clamping surfaces to prevent twisting in the drill chuck. Spiral-shaped chip
grooves ensure smooth cutting; the cutter does not catch. Significantly lower cutting forces and torques.
Application: for drilling and uniform deburring of circular holes up to Ø 30 mm in materials up to 5 mm
thick.
Set consisting of: 1 spiral grooves step drill each, size 1, 2, 3
Type 1 2 3
Ø range mm 4-12 6-20 6-30
Ø of the steps mm 4, 5, 6, 7, 8, 9, 10,
11, 12
6, 8, 10, 12, 14, 16,
18, 20
6, 8, 10, 12, 14, 16,
18, 20, 22, 24, 26,
28, 30
Length of step mm 5 4,5 4
Overall length mm 79 71 100
Shank Ø h 9 mm 6 9 10
11405 HSS Ident. No. 100 200 300
Unit price E O. R. O. R. O. R.
11405 HSS-TiN Ident. No. 150 250 350
Unit price E O. R. O. R. O. R.
Set consisting of size 1,2, 3
11405 HSS Ident. No. 800
Set price E O. R.
11405 HSS-TiN Ident. No. 900
Set price E O. R.
Version HSS-TIN
Ident. No. 900
Drilling tools
Step drills
Metal-cutting tools
Application Steel (N/mm²) Stainless st. Aluminium Brass Bronze Plastics Graphite/ Gray cast Ti Ni Super