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EAN / GTIN:
Manufacturer number:
Cat. No.:
Solid carbide high performance drill plain shank DIN 6535 HE, TiN, ⌀ DC h7: 12mm
Article no.: 122640 12
Article code:
Product details
Technical Data
| Tool material | solid carbide | |
| Standard | DIN 6537 L | |
| Coating | TiN | |
| Cutter diameter, min. Dc min. | 12 mm | |
| Tolerance class ISO | h7 | |
| Overall length L | 118 mm | |
| Flute length Lc | 71 mm | |
| Shank diameter DS | 12 mm | |
| Angle, 1st step | 140 degrees | |
| Helix angle, min. | 30 degrees | |
| Through-coolant | yes, with 25 bar | |
| Number of teeth Z | 2 | |
| Content | single part | |
| Feed f | 0.26 mm/rev. | |
| Wet minimum | suitable | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL01205315 | |
| Holder shape | 2° angled clamping flat without flat surface contact | |
| Holder version | metric | |
| Holder tolerance class | h6 | |
| Length of shank LS | 45 mm | |
| Shank type | HE | |
| Air | suitable only under restricted conditions | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | VHM-Hochleistungsbohrer | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Distance from cutter corner to cutter tip | 2.2 mm | |
| Twist direction | right-hand | |
| Machining group | M (stainless steel); P (steel); S (difficult-to-machine materials) | |
| Cutting media, manufacturer’s designation | VHM | |
| Interface | joint 1 | |
| Tolerance class | h7 | |
| Usable length L1 | 53 mm | |
| Weight | 131 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Shape letter standard number | L | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | green | |
| Type of product | indexable drill | |
| Version (×D) | 6×D | |
| Recommended maximum drilling depth | 53 mm | |
| Feed in | steel < 900 N/mm2 |
Identification & Classification
| Article number | 122640 12 | |
| EAN / GTIN | 4045197396150 | |
| Manufacturer number | 122640 12 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
240
P
110
P
90
P
80
P
65
P
30
M
35
M
30
S
30
Description
Version:
Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
Straight major cutting edges with slightly honed edges and special flute profile produce short chips.
Straight major cutting edges with slightly honed edges and special flute profile produce short chips.
Note:
Flute length LC = L2 + 1.5 × DC.
NEW GENERATION AVAILABLE!
Recommended successor product is No. 122778.
NEW GENERATION AVAILABLE!
Recommended successor product is No. 122778.