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Manufacturer number:
Cat. No.:
Value pack HOLEX CleverDrill twist drill HSS N
Article no.: 390849
Catalog no.: GG4031
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Number of tools | 20 pcs. | |
| Cooling lubricant | yes | |
| Series | CleverDrill | |
| Manufacturer’s designation | HOLEX CleverDrill Spiralbohrer HSS N | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 9 mm | |
| Type of mounting | spigot | |
| Shank diameter | 9 mm | |
| Cutter diameter, min. | 9 mm | |
| Cutter diameter, max. | 9 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Flute length | 81 mm | |
| Number of teeth | 2 | |
| Twist direction | right-hand | |
| Angle, 1st step | 118 degrees | |
| Point geometry | N | |
| Product designation (type) | N | |
| Tool material | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Overall length | 125 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 338 | |
| Machining method | drilling into solid material | |
| Colour ring | without | |
| Type of product | indexable drill | |
| Content | set |
Identification & Classification
| Article number | 390849 | |
| Catalog number | GG4031 | |
| EAN / GTIN | 4067263101901 | |
| Manufacturer number | GG4031 9 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
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 drill 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.
Same as No. 114031.
Same as No. 114031.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Successor product to No. 114030.
Size 13.5 – 16: With stepped shank ⌀ 12.7 mm.
Size 13.5 – 16: With stepped shank ⌀ 12.7 mm.