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Manufacturer number:
Cat. No.:
HOLEX Pro Steel solid carbide drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC h7 (mm or inch): 20
Article no.: 122502 20
Article code:
Product details
Technical Data
| Tool material | solid carbide | |
| Standard | DIN 6537 K | |
| Coating | TiAlN | |
| Cutter diameter, min. Dc min. | 20 mm | |
| Tolerance class ISO | h7 | |
| Overall length L | 131 mm | |
| Flute length Lc | 79 mm | |
| Shank diameter DS | 20 mm | |
| Angle, 1st step | 140 degrees | |
| Through-coolant | no | |
| Number of teeth Z | 2 | |
| Content | single part | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Feed f | 0.28 mm/rev. | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL02001005 | |
| Holder shape | straight clamping flat | |
| Holder version | metric | |
| Holder tolerance class | h6 | |
| Length of shank LS | 50 mm | |
| Shank type | HB | |
| Cooling lubricant | yes | |
| Series | Pro Steel | |
| Manufacturer’s designation | HOLEX Pro Steel VHM-Bohrer zylindrischer Schaft | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Distance from cutter corner to cutter tip | 3.639 mm | |
| Twist direction | right-hand | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | VHM TIAIN | |
| Interface | joint 1 | |
| Tolerance class | h7 | |
| Usable length L1 | 55 mm | |
| Functional length | 55 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Shape letter standard number | K | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | green | |
| Machining strategy | HPC | |
| Type of product | indexable drill | |
| Version (×D) | 4×D | |
| Recommended maximum drilling depth | 49 mm | |
| Feed in | steel < 900 N/mm2 |
Identification & Classification
| Article number | 122502 20 | |
| EAN / GTIN | 4045197831651 | |
| Manufacturer number | 122502 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
115
P
105
P
85
P
80
P
60
M
30
M
25
K
90
K
55
Description
Version:
Straight major cutting edges and a special flute profile ensure good chip evacuation. The robust cutter geometry ensures high-performance drilling with good process reliability.
A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant coating.
A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant coating.
Note:
Flute length LC = L2 + 1.5 × DC.