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Description

Boring Bar MSSNR/L 45°, Indexable Insert Holder

The MSSNR/L boring bar with a 45-degree approach angle is designed as a highly economical tool holder for internal turning of through-bores and chamfering. Combined with square SN inserts such as the common SNMG, this turning tool provides an extremely robust solution for high-volume series production where maximum tool stability is required. During internal turning of large diameters, cutting force fluctuations often lead to severe vibrations and, in the worst case, cutting edge breakage. The positive M-clamping system of this holder locks the indexable carbide insert absolutely rigidly in the insert seat, preventing any micro-movements even during interrupted cuts. The 45-degree approach angle additionally directs the passive cutting forces optimally in the axial direction, significantly reducing the tendency to chatter on the boring bar. For boring 90-degree blind holes, this tool is physically unsuitable due to the shallow approach angle; it plays to its strengths purely in through-bores and deep chamfers.

The decisive economic lever of this MSSNR/L boring bar lies in the consistent use of SN.. indexable carbide inserts. With eight fully usable cutting edges, this combination pushes your direct tooling costs per component to an absolute minimum. At the same time, the clamp-and-pin clamping system reduces setup effort during insert changes to just a few steps. Integrate this massive boring bar into your processes to planably and drastically reduce unit costs in internal turning.

Scope of delivery: 1 MSSNR/L boring bar (without indexable carbide insert) incl. washer, pin, clamp, screw, and wrench.

Note: The image shows the right-hand version (R).

Properties
Application: For Internal Turning
Approach Angle: 45°
Clamping System: M
Internal Cooling: Without Internal Cooling
Material: Steel
Suitable for Inserts: SN..1204..
Type: MSSNR/L
Manufacturer information

Pflichtangaben gemäß GPSR Produktsicherheitsverordnung:

TILL TOOLS GmbH
Am Kebigsgraben 19
97616 Salz
Deutschland
E-Mail: info@tilltools.de

Reviews 11

11 of 11 reviews

Average rating of 4.82 out of 5 stars


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1 - 10 of 11 reviews

2 April 2026 14:38

Review with rating of 5 out of 5 stars

45-Grad-Bohrstange für breitere Arbeiten

Für größere Durchmesser ausreichnd stabil, Klemmung hält die Platte fest. Bei mir ohne Beanstandung.

28 December 2025 02:49

Review with rating of 5 out of 5 stars

SS-Innenstange 45 Grad kräftig

Kräftiger Halter für schwere Innenzustellung, die SN-Platte sitzt stabil. Bin nach Wochen überzeugt. Werkzeug arbeitet in meinem Werkstattalltag zuverlässig und unauffällig gut, die Werkzeugaufnahme bleibt spielfrei und die Werkzeugausführung der Schneiden bleibt über Bestellungen konstant.

25 November 2025 11:47

Review with rating of 4 out of 5 stars

Wirtschaftlicher Bohrstangen-Halter

Der 45-Grad-Halter ist bei mir im Alltag für Plan- und Längsarbeiten. Die Ergebnisse bisher ordentlich, bis ich die Dauerstandzeit kenne, bleibe ich vorsichtig.

3 November 2025 19:33

Review with rating of 4 out of 5 stars

Vorerst positiv

Für meinen Hobbyeinsatz in der Werkstatt mehr als genug, Preis-Leistung in diesem Segment wirklich gut.

28 June 2025 22:22

Review with rating of 5 out of 5 stars

Innen robust

Schwere Innenzerspanung bleibt mit dieser Bohrstange ruhig. Bin zufrieden.

20 February 2025 19:20

Review with rating of 5 out of 5 stars

Ordentliche Ware

Bin positiv überrascht. Kein Rattern, sauber geschliffen und kein Quietschen. Hatte vorher anderes Werkzeug und bin mit dem hier zufriedener. Im Vergleich zu teureren Werkzeugen hält es gut mit. Werkzeug bleibt bei mir im Einsatz.

26 January 2025 14:37

Review with rating of 5 out of 5 stars

Bohrstange zum Schruppen im Innenbereich

Schruppen innen läuft mit der Stange stabil, hohe Vorschübe kein Problem. Die Schrauben greifen sauber, Verarbeitung passt.

27 September 2024 11:23

Review with rating of 5 out of 5 stars

Bohrstange für Plan-Bohrungen

Flacher Einstellwinkel für breite Anschläge, läuft stabil in meinen Werkstücken und die Oberflächen kommen sauber raus. Bin für den Preis sehr zufrieden.

9 September 2024 08:14

Review with rating of 5 out of 5 stars

Planinnenaufgaben mit 45° ohne Probleme

Plan-Innenaufgaben, läuft sauber. Der 45°-Winkel passt für Planinnenflächen, Klemmung hält stabil. Für meinen Einsatz eine solide Ergänzung im Revolver.

4 January 2024 10:27

Review with rating of 5 out of 5 stars

Kraftvoller Schrupp-Innenbearbeiter

Der 45°-Einstellwinkel schafft satte Zustellungen im Innendurchmesser. Bei Reparaturdurchgängen mit viel Materialabtrag eine echte Hilfe. Kräftig gebaut.

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