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Article code:
EAN / GTIN:
Manufacturer number:
HOLEX CleverDrill HSS jobber drill N 7,7
Article no.: 114031 7,7
Article code:
- Snijmateriaal: HSS
- Norm: DIN 338
- Type: N
- Tolerantie nominale ⌀: h8
- Tophoek: 118
Product details
Technical Data
| Serie | CleverDrill | |
| Nominale ⌀ DC | 7,7 mm | |
| Coating | ongecoat | |
| Snijmateriaal | HSS | |
| Norm | DIN 338 | |
| Type | N | |
| Tolerantie nominale ⌀ | h8 | |
| Tophoek | 118 graden | |
| Schacht | Cilinderschacht | |
| Aantal snijkanten Z | 2 | |
| Inwendige koeling | nee | |
| aanbevolen maximale boordiepte L2 | 63,5 mm | |
| Spaangroeflengte Lc | 75 mm | |
| Totale lengte L | 117 mm | |
| Schacht-⌀ Ds | 7,7 mm | |
| Voeding f in staal < 750 N/mm2 | 0,07 mm/omw. | |
| Gekleurde ring | zonder | |
| Producttype | Spiraalboor |
Identification numbers & Classifications
| Article number | 114031 7,7 | |
| EAN / GTIN | 4062406744328 | |
| Manufacturer number | 114031 7,7 |
Application Table
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.