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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
HOLEX CleverDrill jobber drill, long, HSS N, uncoated, ⌀ DC h8: 2,8mm
Article no.: 325728
Catalog no.: 116051
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Series | CleverDrill | |
| Manufacturer’s designation | HOLEX CleverDrill Spiralbohrer lang HSS | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL00281005 | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder size, metric | 0028 mm | |
| Shank diameter DS | 2.8 mm | |
| Shank length LS | 34 mm | |
| Holder diameter, ISO tolerance class | 2.8 mm | |
| Cutter diameter, min. Dc min. | 2.8 mm | |
| Cutter diameter, max. Dc max. | 2.8 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Body diameter D4 | 2.8 mm | |
| Flute length Lc | 66 mm | |
| Distance from cutter corner to cutter tip | 0.841 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 24 degrees | |
| Angle, 1st step | 118 degrees | |
| Point geometry | C | |
| Product designation (type) | N | |
| Tool material | HSS | |
| Standard designation for cutting medium, 2nd Priority | HSS | |
| Standard designation for cutting medium, 3rd Priority | HSS | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length A | 76 mm | |
| Usable length L1 | 61.8 mm | |
| Overall length L | 100 mm | |
| Functional length | 60.4 mm | |
| Weight | 6.711 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 340 | |
| Data carriers | without data carrier | |
| Machining method | drilling into solid material | |
| Colour ring | without | |
| Type of product | indexable drill | |
| Content | single part |
Identification & Classification
| Article number | 325728 | |
| Catalog number | 116051 | |
| EAN / GTIN | 4062406745073 | |
| Manufacturer number | 116051 2,8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
64
N
52
N
40
P
26
P
26
P
20
P
15
K
24
N
32
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.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Suitable NC spotting drills No. 112120, 112140 and 112170 with 142° tip angle for enhanced process reliability
Successor product to No. 116050.
Successor product to No. 116050.