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EAN / GTIN:
Manufacturer number:
Cat. No.:
Core drill HSS N with Morse taper shank
Article no.: 641629
Catalog no.: 116620
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 | morse taper MT | |
| Interface coding | MKG00102085 | |
| Holder shape | morse taper | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 0010 | |
| Type of mounting | spigot | |
| Shank length | 0 mm | |
| Holder diameter, ISO tolerance class | 7.8 mm | |
| Cutter diameter, min. | 7.8 mm | |
| Cutter diameter, max. | 7.8 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| For hole diameter | 5.6 mm | |
| Flute length | 75 mm | |
| Distance from cutter corner to cutter tip | 0.45 mm | |
| Number of teeth | 3 | |
| Twist direction | right-hand | |
| Helix angle, min. | 21 degrees | |
| Angle, 1st step | 120 degrees | |
| Product designation (type) | N | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | tempered | |
| Interface | joint 1 | |
| Gauge length | 94 mm | |
| Usable length | 61 mm | |
| Overall length | 156 mm | |
| Functional length | 93.1 mm | |
| Weight | 64 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 343 | |
| Machining method | boring out | |
| Colour ring | without | |
| Type of product | core drill | |
| Content | single part |
Identification & Classification
| Article number | 641629 | |
| Catalog number | 116620 | |
| EAN / GTIN | 4045197033543 | |
| Manufacturer number | 116620 7,8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
45
P
40
P
30
P
25
P
10
P
8
M
12
K
25
Description
Version:
Strong core. Sturdy jobber drill for better guidance in the hole
Advantage:
Particularly suitable for drilling out holes that are out of round. Misaligned holes can be aligned.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.