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Solid carbide HPC drill Weldon shank DIN 6535 HB 6,8 mm

Article no.: 122505 6,8
  • Tool material: Solid carbide
  • Standard: DIN 6537 K
  • Version: 4×D
  • Tolerance nominal ⌀: h7
  • Number of cutting edges Z: 2

Product details

Technical Data

Nominal ⌀ DC 6.8 mm
Coating TiAlN
Tool material Solid carbide
Standard DIN 6537 K
Version 4×D
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 140 degrees
recommended maximum drilling depth L2 23.8 mm
Shank DIN 6535 HB to h6
Through-coolant yes, with 25 bar
Machining strategy HPC
Flute length Lc 34 mm
Overall length L 79 mm
Shank ⌀ Ds 8 mm
Shank tolerance h6
Feed f in steel < 1100 N/mm2 0.2 mm/rev.
Colour ring green
Type of product Jobber drill

Identification numbers & Classifications

Article number 122505 6,8
EAN / GTIN 4045197391643

Application Table

Steel < 500 N/mm²
P
120
Steel < 750 N/mm²
P
100
Steel < 900 N/mm²
P
85
Steel < 1100 N/mm²
P
65
Steel < 1400 N/mm²
P
35
INOX < 900 N/mm²
M
30
Ti > 850 N/mm²
S
35
GG(G)
K
70
Uni
 
wet maximum
 
wet minimum
 
Air
 

Description

Version:

Cutting chisel edge with high centring accuracy due to strong core and special point geometry. Convex cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.

Note:

NEW GENERATION AVAILABLE!
Recommended successor products are No. 122426 and 122436.
Flute length LC = L2 + 1.5 × DC.

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