Burghiu din carbură cu coadă cilindrică DIN 6535 HA 180° 17,8 mm

Cod articol: 122793 17,8
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Alegeţi varianta articolului şi cantitatea

⌀ DC m7 (mm) Alegeţi varianta articolului şi cantitatea
  • Tool material: Solid carbide
  • Standard: Manufacturer’s standard
  • Version: 5×D
  • Tolerance nominal ⌀: m7
  • Number of cutting edges Z: 2

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Detalii despre produs

Date tehnice

Nominal ⌀ DC 17.8 mm
Coating TiAlN
Tool material Solid carbide
Standard Manufacturer’s standard
Version 5×D
Tolerance nominal ⌀ m7
Number of cutting edges Z 2
Point angle 180 degrees
recommended maximum drilling depth L2 64.3 mm
Shank DIN 6535 HA to h6
Use for drilling limited convexity; limited cross-drilling; limited oblique spot drilling
Through-coolant yes, with 25 bar
Pilot drill required yes, pilot drill
Semi-Standard yes
Flute length Lc 91 mm
Overall length L 141 mm
Shank ⌀ Ds 18 mm
Shank tolerance h6
Feed f in steel < 900 N/mm2 0.2 mm/rev.
Colour ring green
Type of product Jobber drill

Numere de identificare și clasificări

Cod articol 122793 17,8
EAN / GTIN 4062406092399
Număr producător 122793 17,8

Tabel de aplicaţii

Steel < 500 N/mm²
P
85
Steel < 750 N/mm²
P
75
Steel < 900 N/mm²
P
60
Steel < 1100 N/mm²
P
50
INOX < 900 N/mm²
M
45
GG(G)
K
90
Uni
 
wet maximum
 
wet minimum
 
Air
 

Descriere

Version:

Special point geometry for generating 180° flat-bottomed holes. Low radial forces even when spot drilling on faces with up to 15° slope. Flute geometry for optimum chip evacuation. With 4 guide chamfers to stabilise the drill in the hole.

Advantage:

The 180° point angle permits drilling and counterboring in a single operation.

Recommendation:

When using the solid carbide 180° drill it is absolutely essential for process reliability:
  • When spot drilling on flat surfaces to drill a pilot hole 1×D using pilot drill No. 122736.
  • When spot drilling on sloping surfaces up to max. 15° : reduce the feed rate f to 25% of the stated value. After spot drilling, the normal feed rate value can be used.

Note:

Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122793 + 129100HB .
Form HE: order with No. 122793 + 129100HE.
180° solid carbide drills for machining aluminium available on request.
Not suitable for generating counterbores for socket-head screws to DIN974-1.

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Burghiu din carbură cu coadă cilindrică DIN 6535 HA 180° 17,8 mm

Burghiu din carbură cu coadă cilindrică DIN 6535 HA 180° 17,8 mm

La cerere
Livrabil în 2-3 săptămâni
0 livrabil imediat
529,00 €
Overall length L 141 143 121
Through-coolant yes, with 25 bar yes, with 25 bar yes, with 25 bar
Tolerance nominal ⌀ m7 h7 m7
Feed f in steel < 900 N/mm2 0.2 0.28 0.2
Flute length Lc 91 93 71
Shank ⌀ Ds 18 18 18
recommended maximum drilling depth L2 64.3 66.3 44.3

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