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Manufacturer number:
Cat. No.:
Jobber drill HSS extra-long, with Morse taper shank
Article no.: 246344
Catalog no.: 116720
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 | yes | |
| Manufacturer’s designation | Spiralbohrer überlang HSS | |
| Interface position | on the machine | |
| Holder type | morse taper MT | |
| Interface coding | MKG00202085 | |
| Holder shape | morse taper | |
| Arbor size | MK2 | |
| Cutter diameter, min. Dc min. | 15 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Flute length Lc | 220 mm | |
| Distance from cutter corner to cutter tip | 3.5 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 38 degrees | |
| Angle, 1st step | 130 degrees | |
| Point geometry | A | |
| Product designation (type) | FS | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Toleranzklasse | h8 | |
| Gauge length A | 265 mm | |
| Usable length L1 | 205 mm | |
| Overall length L | 340 mm | |
| Weight | 350 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 1870 R1 | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | without | |
| Type of product | indexable drill | |
| empfohlene maximale Bohrtiefe | 197.5 mm | |
| Content | single part |
Identification & Classification
| Article number | 246344 | |
| Catalog number | 116720 | |
| EAN / GTIN | 4045197034854 | |
| Manufacturer number | 116720 15R1 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
40
P
30
P
25
Description
Version:
High concentricity.
Large section parabolic flutes; strong due to strengthened core thickness (without core taper).
≤ 16 mm ⌀: Bright finish flutes, nitrided lands; > 16 mm ⌀: Specially treated surface.
Special sturdy drills for extremely deep holes. Up to approx. 15×⌀ without drill withdrawal.
With point geometry shape A.
Large section parabolic flutes; strong due to strengthened core thickness (without core taper).
≤ 16 mm ⌀: Bright finish flutes, nitrided lands; > 16 mm ⌀: Specially treated surface.
Special sturdy drills for extremely deep holes. Up to approx. 15×⌀ without drill withdrawal.
With point geometry shape A.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.