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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Stub drill HSS-E N, TiN, ⌀ DC h8: 7,7mm
Article no.: 239415
Catalog no.: 113230
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 | |
| Interface coding | ZYL00770105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0077 mm | |
| Shank diameter DS | 7.7 mm | |
| Shank length LS | 42 mm | |
| Cutter diameter, min. Dc min. | 7.7 mm | |
| Cutter diameter, max. Dc max. | 7.7 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Flute length Lc | 37 mm | |
| Distance from cutter corner to cutter tip | 1.8 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 35 degrees | |
| Angle, 1st step | 130 degrees | |
| Point geometry | N | |
| Product designation (type) | N | |
| Tool material | HSS-E | |
| Cutting media, manufacturer’s designation | HSS/E | |
| Coating | TiN | |
| Interface | joint 1 | |
| Gauge length A | 63 mm | |
| Usable length L1 | 28.8 mm | |
| Overall length L | 79 mm | |
| Weight | 24 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 1897 | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | without | |
| Type of product | indexable drill | |
| Content | single part |
Identification & Classification
| Article number | 239415 | |
| Catalog number | 113230 | |
| EAN / GTIN | 4045197005816 | |
| Manufacturer number | 113230 7,7 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
50
P
37
P
31
P
12
P
10
M
15
M
10
S
6
K
31
N
100
Description
Version:
Particularly robust and strong due to strengthened core.
Ground flutes, with high concentricity.
Ground flutes, with high concentricity.
Advantage:
Ideal for drilling shallow holes (approx. 2 - 4×D) on NC machines and automatic machines.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.