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Manufacturer number:
Cat. No.:
Core drill HSS N with Morse taper shank
Article no.: 691642
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 | |
| Feed f | 0.32 mm/rev. | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | morse taper MT | |
| Interface coding | MKG00402085 | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 4 | |
| Holder tolerance class | h8 | |
| Length of shank LS | 117.5 mm | |
| Cooling lubricant | yes | |
| Cutter diameter, min. Dc min. | 36 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| For hole diameter d | 25.5 mm | |
| Flute length Lc | 195 mm | |
| Number of teeth Z | 3 | |
| Twist direction | right-hand | |
| Helix pitch | 250 mm | |
| Angle, 1st step | 120 degrees | |
| Product designation (type) | N | |
| Tool material | HSS | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Tolerance class | h8 | |
| Usable length L1 | 142 mm | |
| Overall length L | 344 mm | |
| Functional length | 222.7 mm | |
| Weight | 1’576 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 343 | |
| Machining method | core drilling (BAB) | |
| Colour ring | without | |
| Type of product | core drill | |
| Recommended maximum drilling depth | 141 mm | |
| Feed in | steel < 750 N/mm2 | |
| Content | single part |
Identification & Classification
| Article number | 691642 | |
| Catalog number | 116620 | |
| EAN / GTIN | 4062406097448 | |
| Manufacturer number | 116620 36 | |
| Article class | 11C | |
| 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.