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Référence:
EAN / GTIN:
Réf. fabricant:
HOLEX CleverDrill HSS jobber drill N 7,8
Réf.: 114031 7,8
Référence:
- Tool material: HSS
- Standard: DIN 338
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 118
Détails du produit
Caractéristiques techniques
| Series | CleverDrill | |
| Nominal ⌀ DC | 7.8 mm | |
| Coating | uncoated | |
| Tool material | HSS | |
| Standard | DIN 338 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 118 degrees | |
| Shank | Plain shank | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 63.3 mm | |
| Flute length Lc | 75 mm | |
| Overall length L | 117 mm | |
| Shank ⌀ Ds | 7.8 mm | |
| Feed f in steel < 750 N/mm2 | 0.07 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Numéros d’identification et classifications
| Référence article | 114031 7,8 | |
| EAN / GTIN | 4062406744335 | |
| Réf. fabricant | 114031 7,8 |
Tableau d’application
N
80
N
60
N
50
P
35
P
32
P
22
P
18
K
30
N
40
Description
Version:
HOLEX CleverDrill: Sturdy drills for all standard applications. Improved spot drilling behaviour due to cross-ground form. Standard core thickness and core taper. Profile ground. Surface: Bronze-coloured tempered helical flutes.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Successor product to No. 114030.
Size 13.2 – 20: With stepped shank ⌀ 12.7 mm.
Size 13.2 – 20: With stepped shank ⌀ 12.7 mm.