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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Jobber drill HSS-E N, uncoated, ⌀ DC h8: 12,8mm
Article no.: 187989
Catalog no.: 114400
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder size, metric | 0128 mm | |
| Shank diameter | 12.8 mm | |
| Shank length | 50 mm | |
| Holder diameter, ISO tolerance class | 12.8 mm | |
| Shank type | HA | |
| Cutter diameter, min. | 12.8 mm | |
| Cutter diameter, max. | 12.8 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Flute length | 101 mm | |
| Distance from cutter corner to cutter tip | 2.984 mm | |
| Number of teeth | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 30 degrees | |
| Angle, 1st step | 130 degrees | |
| Point geometry | C | |
| Type of drilling tool | centre drill, single-sided | |
| Product designation (type) | N | |
| Tool material | HSS-E | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length | 106 mm | |
| Usable length | 75.4 mm | |
| Overall length | 151 mm | |
| Functional length | 75.4 mm | |
| Max. speed | 3,109 min-1 | |
| Weight | 112 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 338 | |
| Machining method | drilling into solid material | |
| Colour ring | red | |
| Type of product | indexable drill | |
| Content | single part |
Identification & Classification
| Article number | 187989 | |
| Catalog number | 114400 | |
| EAN / GTIN | 4045197018274 | |
| Manufacturer number | 114400 12,8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
40
P
30
P
25
P
10
P
8
H
8
M
12
M
8
S
5
K
25
N
80
Description
Version:
Profile ground: this ensures high concentricity and pitch accuracy. Precision ground point. Drill for production use.
Reinforced core, bright finish.
With point geometry shape C from size 2 mm
Reinforced core, bright finish.
With point geometry shape C from size 2 mm
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.