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EAN / GTIN:
Manufacturer number:
Cat. No.:
DIN counterbore for through holes, uncoated, Counterbore ⌀ D1 ×pin ⌀ D2: 26X17mm
Article no.: 216220
Catalog no.: 156120
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 | morse taper MT | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 3 | |
| Shank length LS | 99 mm | |
| Cutter diameter, min. Dc min. | 26 mm | |
| Cutter diameter, max. Dc max. | 26 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter d | 17 mm | |
| Flute length Lc | 70 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 | 17 mm | |
| Pin length | 12 mm | |
| Product designation (type) | DF | |
| Application for type of drilling | through hole | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length A | 86 mm | |
| Usable length L1 | 86 mm | |
| Weight | 480 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | Werksnorm | |
| Machining method | subland drilling | |
| Type of product | subland drill | |
| Content | single part |
Identification & Classification
| Article number | 216220 | |
| Catalog number | 156120 | |
| EAN / GTIN | 4045197087874 | |
| Manufacturer number | 156120 26X17 | |
| 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
Description
Version:
Spiral fluted counterbore. The pilot ⌀ matches the intended purpose:
f − for through holes fine quality to DIN ISO 273.
m − for through holes medium quality to DIN ISO 273.
f − for through holes fine quality to DIN ISO 273.
m − for through holes medium quality to DIN ISO 273.
Application:
For counterboring socket head screws DIN 912, 6912, 7984, and cheese head screws ISO 1207 (DIN 84).