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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Centre drill HSS A, uncoated, Nominal ⌀ DC k12: 3,15mm
Article no.: 391670
Catalog no.: 111005
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00800100 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0080 mm | |
| Holder tolerance class | h$08 | |
| Shank diameter DS | 8 mm | |
| Shank length LS | 50 mm | |
| Holder diameter, upper dimension | 8 mm | |
| Holder diameter, lower dimension | 7.985 mm | |
| Cutter diameter, min. Dc min. | 3.15 mm | |
| Cutter diameter, max. Dc max. | 3.15 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | k12 | |
| Index of step | 1 | |
| Cutter diameter step Dc | 3.15 mm | |
| Body diameter | 8 mm | |
| Step length L3 | 3.69 mm | |
| Step distance | 10.83 mm | |
| Body diameter D4 | 8 mm | |
| Flute length Lc | 19 mm | |
| Distance from cutter corner to cutter tip | 0.95 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 5 degrees | |
| Helix pitch | 31 mm | |
| Angle, 1st step | 118 degrees | |
| Countersink angle | 60 degrees | |
| Point geometry | Z | |
| Centre drill shape | A | |
| For min. workpiece diameter | 30 mm | |
| For max. workpiece diameter | 40 mm | |
| Type of drilling tool | centre drill, double-sided | |
| Product designation (type) | A | |
| Tool material | HSS | |
| Standard designation for cutting medium, 2nd Priority | HSS-E | |
| Standard designation for cutting medium, 3rd Priority | HSS-E | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length A | 22 mm | |
| Usable length L1 | 10.83 mm | |
| Overall length L | 50 mm | |
| Functional length | 0.21 mm | |
| Weight | 13 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 333 | |
| Shape letter standard number | A | |
| Data carriers | without data carrier | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | without | |
| Type of product | centre drill | |
| Content | single part |
Identification & Classification
| Article number | 391670 | |
| Catalog number | 111005 | |
| EAN / GTIN | 4045197255303 | |
| Manufacturer number | 111005 3,15 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
70
N
45
P
40
P
30
P
25
P
10
P
8
N
80
Description
Version:
Ground from solid and relief ground, spiral fluted.