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Solid carbide HPC drill plain shank DIN 6535 HA 1/4

Article no.: 123212 1/4
  • Tool material: Solid carbide
  • Version: 12×D
  • Point angle: 135
  • Shank: DIN 6535 HA to h6
  • Through-coolant: yes, with 25 bar

Product details

Technical Data

Inch nominal ⌀ corresponds to 6.35 mm
Coating TiAlN
Tool material Solid carbide
Standard Manufacturer’s standard
Version 12×D
Tolerance nominal ⌀ m6
Number of cutting edges Z 2
Point angle 135 degrees
recommended maximum drilling depth L2 69 mm
Shank DIN 6535 HA to h6
Through-coolant yes, with 25 bar
Machining strategy HPC
Semi-Standard yes
Flute length Lc 108 mm
Overall length L 146 mm
Shank ⌀ Ds 8 mm
Shank tolerance h6
Feed f in stainless steel > 900 N/mm2 0.12 mm/rev.
Colour ring blue
Type of product Jobber drill

Identification numbers & Classifications

Article number 123212 1/4
EAN / GTIN 4062406116224

Application Table

Steel < 500 N/mm²
P
90
Steel < 750 N/mm²
P
75
Steel < 900 N/mm²
P
70
Steel < 1100 N/mm²
P
55
Steel < 1400 N/mm²
P
32
INOX < 900 N/mm²
M
70
INOX > 900 N/mm²
M
60
wet maximum
 
wet minimum
 

Description

Version:

Cutting chisel edge with high centring accuracy due to strong core and special point geometry. High roundness and alignment accuracy of the deep hole, thanks to 4 guide chamfers. Outstanding chip evacuation due to 4 internal cooling channels from ⌀ 3.8 mm. Up to 3.7 mm ⌀ with 2 internal cooling channels. Straight major cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.

Note:

Flute length LC = L2 + 1.5 × DC.
For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068121130 is necessary.
Form HB and HE are supplied at the same price as HA.
Order form HB: with No. 123214.
Order form HE: with No. 123212 + 129100HE.

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