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Solid carbide NC high performance drill FS, plain shank DIN 6535 HA, TiAlN, ⌀ DC h7: 3,9mm
Article no.: 311255
Catalog no.: 122540
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 | 0.14 mm/rev. | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00400105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 6 mm | |
| Dry machining | suitable | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 6 mm | |
| Length of shank LS | 36 mm | |
| Shank type | HA | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | VHM-NC-Hochleistungsbohrer FS zylindrischer Schaft DIN 6535 HA | |
| Cutter diameter, min. Dc min. | 3.9 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h7 | |
| Body diameter D4 | 6 mm | |
| Flute length Lc | 28 mm | |
| Distance from cutter corner to cutter tip | 0.71 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 38 degrees | |
| Helix pitch | 15.7 mm | |
| Angle, 1st step | 140 degrees | |
| Product designation (type) | FS | |
| Tool material | solid carbide | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel); S (difficult-to-machine materials) | |
| Cutting media, manufacturer’s designation | VHM | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Tolerance class | h7 | |
| Usable length L1 | 22.15 mm | |
| Overall length L | 66 mm | |
| Functional length | 65.29 mm | |
| Weight | 27 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | DIN 6537 L | |
| Data carriers | without data carrier | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | green | |
| Type of product | indexable drill | |
| Version (×D) | 6×D | |
| Recommended maximum drilling depth | 22.2 mm | |
| Feed in | steel < 750 N/mm2 | |
| Content | single part |
Identification & Classification
| Article number | 311255 | |
| Catalog number | 122540 | |
| EAN / GTIN | 4045197051769 | |
| Manufacturer number | 122540 3,9 | |
| Article class | 11E | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
190
N
170
N
140
P
90
P
85
P
75
P
65
P
40
M
40
M
30
S
25
K
70
N
160
Description
Version:
Particularly strong due to strengthened core and special profile. Special point geometry. High concentricity and long tool life. High bore quality.