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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
DIN counterbore for tapping drill holes, uncoated, Counterbore ⌀ D1 ×pin ⌀ D2: 6,5X2,9mm
Article no.: 244418
Catalog no.: 156220
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 | no | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL00500105 | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder size, metric | 5 mm | |
| Type of mounting | spigot | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 5 mm | |
| Shank length LS | 31.5 mm | |
| Cutter diameter, min. Dc min. | 6.5 mm | |
| Cutter diameter, max. Dc max. | 6.5 mm | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| Flute length Lc | 14 mm | |
| Number of teeth Z | 3 | |
| Twist direction | right-hand | |
| Helix angle, min. | 27 degrees | |
| Angle, 1st step | 180 degrees | |
| Pilot pin | with fixed guiding pin | |
| Pin diameter D2 | 2.9 mm | |
| Pin length | 4.5 mm | |
| Product designation (type) | FS | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length A | 40 mm | |
| Usable length L1 | 40 mm | |
| Overall length L | 71 mm | |
| Weight | 11 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 373 | |
| Machining method | subland drilling | |
| Type of product | subland drill | |
| Content | single part |
Identification & Classification
| Article number | 244418 | |
| Catalog number | 156220 | |
| EAN / GTIN | 4045197087904 | |
| Manufacturer number | 156220 6,5X2,9 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
33
P
28
P
27
P
27
Description
Version:
Three edged, spiral fluted counterbore with fixed pilot for tapping drill holes.
Application:
For counterboring socket head screws DIN 912, 6912, 7984 and slotted cheese head screws ISO 1207 (DIN 84).
The pilot diameter matches the tapping hole diameter.
The pilot diameter matches the tapping hole diameter.