<script> Artikeldetails GSR coilrepair Set HSS M 7
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GSR coilrepair Set HSS M 7

26,20€
incl. VAT, excl. shipping cost
in stock
Delivery time (DE): 2-3 business days

Art.-Nr.: B00860200
 EAN: 4014176608256
Product description

The GSR Coilrepair Set M7 provides a complete, reliable repair for damaged M7 internal threads. All necessary system tools are included — the thread is restored to its original nominal size without replacing the component.

This principle is particularly well-suited to materials with low shear strength such as aluminium or magnesium alloys, where damaged threads are a common occurrence. All necessary system tools are included in the scope of delivery.

Die Thread Inserts bestehen aus austenitic stainless steeldraht mit diamond-shaped cross-section (Rhombus, 60°), der durch cold-forming zur federnden Wendel geformt wird. Die federnde Bauweise verteilt eingeleitete Kräfte gleichmäßig über alle Gewindegänge , das Ergebnis ist eine verschleißfeste Verbindung mit konstant niedrigem Gewindereibmoment, auch bei häufig wiederholter Verschraubung und hoher Betriebslast.

Scope of Delivery

  • 15 × thread insert M 7×1,0, Länge 1,5×d, rostfrei und heat resistant, rautenförmiger Querschnitt
  • 1 × Core Hole Drill Bit Ø 7,3 mm HSS-G VAP, DIN 338, vapor treated
  • 1 × STI Tap M 7 HSSG, Form D, 6H
  • 1 × Installation Tool, Werkzeugstahl, pulverbeschichtet
  • 1 × Tang Break-Off Tool
  • 1 × Kunststoffbox mit Kunststoff-Formeinlage

Technical Data

Article No.B00860200
EAN4014176608249
Thread SizeM 7
thread pitch1,0 mm
Core Hole Drill BitØ 7,3 mm HSS-G VAP, DIN 338, vapor treated
STI TapM 7 HSSG, Form D, 6H
Standard Host ThreadDIN 8140
thread insert-Länge1,5×d
thread insert-QuerschnittRautenförmig (Rhombus, 60°)
thread insert-MaterialAustenitischer Edelstahl, rostfrei und heat resistant
Anzahl Thread Inserts15
Total Parts19
VerpackungKunststoffbox mit Kunststoff-Formeinlage
ManufacturerGSR Gustav Stursberg GmbH

Core Hole Dimensions & Tool Data

THREAD SIZEPITCH KERNLOCHBOHRERHSS-G VAP, DIN 338 EG-KERNLOCHDIN 8140 EINSÄTZE1,5×d EINDREHW.ZAPFEN­BRECHER
M 71,0 mm Ø 7,3 mm Ø 7,3 mm 15× ✓ ✓

STI Tap: M 7 HSSG, Form D, 6H · Standard Host Thread: DIN 8140 · Core Hole Øe können bei verschiedenen Werkstoffen leicht variieren.

Advantages
✓
Repair damaged M 7 threads without altering the nominal diameter
✓
Thread reinforcement through coil armouring, permanently high load-bearing
✓
15 thread inserts per set, cost-effective for recurring repairs
✓
Thread inserts stainless and heat resistant, suitable for thermally stressed components
✓
Diamond-shaped cross-section (rhombus, 60°), elastic spring action for uniform load distribution
✓
STI Tap Form D, suitable for through-holes and blind holes
✓
Core Hole Drill Bit HSS-G VAP, DIN 338, vapor treated, precision-matched for this set
✓
All system tools included, ready for immediate use
Applications
  • Fahrzeugbau und Kfz-Technik: Reparatur von M7-Gewindebohrungen in Motoranbauteilen und Fahrwerkskomponenten
  • Feinwerktechnik und Gerätebau: Instandsetzung von M7-Gewinden in Präzisionsgeräten und feinmechanischen Baugruppen
  • Sondermaschinenbau: Reparatur von M7-Spezialgewinden in Sondermaschinen ohne Bauteilaustausch
  • Maintenancesbetriebe und Werkstätten: Schnelle und dauerhafte thread repair ohne Bauteildemontage oder -austausch
  • Anlagenbau und Industrie: Wiederherstellung von M7-Verschraubungspunkten in Industrieanlagen
  • Handwerk und Service: Überall dort, wo beschädigte M7-Gewinde schnell und dauerhaft instand gesetzt werden müssen
Step-by-Step Repair Guide

Für die thread repair benötigen Sie Core Hole Drill Bit, STI Tap, Installation Tool, Tang Break-Off Tool sowie Bohrmaschine oder verstellbares Windeisen und Schlosserhammer (optional: Kegelsenker).

Schritt 1
1
Drill out damaged thread
Schritt 2
2
Countersink core hole edges
Schritt 3
3
Drill new core hole for insert thread
Schritt 4
4
Cut new thread with STI tap
Schritt 5
5
thread insert auf Installation Tool stecken
Schritt 6
6
Drive thread insert into thread
Schritt 7
7
Mit Tang Break-Off Tool to break off the tang
Schritt 8
8
Repaired thread
Thread Repair Tips

Damit das Installation Tool den thread insert sauber und ohne Schaden einbringt, the stop collar must be correctly adjusted before installation. The adjustment directly affects the insertion depth.

Use thread cutting fluid

When installing the thread insert, the use of a thread cutting fluid is recommended, particularly for steel, stainless steel and cast iron. GSR thread cutting fluid reduces friction, improves installation and protects the tool. Available in 100 ml and 250 ml.

→ GSR thread cutting fluid – overview

Further Information & Downloads

Ausführliche Informationen zum GSR Coilrepair System, zur korrekten Anwendung sowie zu Core Hole Øen und Einbauwerten finden Sie im GSR Handbuch thread repair.

→ GSR Coilrepair , overview of all sets → Thread Repair Manual 2026 , download PDF → GSR Update #21: GSR Coilrepair , Thread Reinforcement and Repair → GSR Thread Calculator , Core Hole and Thread Data

Bulk Orders or Individual Requests?

For bulk orders, custom configurations or technical advice, please contact us directly.

→ Contact us
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