<script> Artikeldetails GSR coilrepair Set HSS MF 8 x 1
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GSR coilrepair Set HSS MF 8 x 1

30,40€
incl. VAT, excl. shipping cost
in stock
Delivery time (DE): 2-3 business days

Art.-Nr.: B00861400
 EAN: 4014176608720
Product description

Metrische Feingewinde der Größe MF 8×1 sind bevorzugt in der Automotive Engineering, Hydraulik und in Präzisionsmaschinen anzutreffen. Das GSR Coilrepair Set MF 8×1 bietet die gezielte Lösung für die Instandsetzung beschädigter MF 8×1-Gewinde , mit engerer thread pitch als das Normalgewinde M8, was besondere Anforderungen an Präzision und Werkzeug stellt. Alle Systemwerkzeuge und 15 Thread Inserts sind enthalten.

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 Kräfte gleichmäßig und schafft dauerhaft belastbare Verbindungen mit konstantem Reibmoment.

Scope of Delivery

  • 15 × thread insert MF 8×1, Länge 1,5×d, rostfrei und heat resistant, rautenförmiger Querschnitt
  • 1 × Core Hole Drill Bit Ø 8,3 mm HSS-G VAP, DIN 338, vapor treated
  • 1 × STI Tap MF 8×1 HSSG, Form D, 6H
  • 1 × Installation Tool, Werkzeugstahl, pulverbeschichtet
  • 1 × Tang Break-Off Tool
  • 1 × Kunststoffkoffer mit Kunststoff-Formeinlage

Technical Data

Article No.B00861400
EAN4014176608720
Thread SizeMF 8×1
thread pitch1,0 mm
Core Hole Drill BitØ 8,3 mm HSS-G VAP, DIN 338, vapor treated
STI TapMF 8×1 HSSG, Form D, 6H
Standard Host ThreadDIN 8140
thread insert-Länge1,5×d
thread insert-QuerschnittRautenförmig (Rhombus, 60°)
thread insert-MaterialRostfrei und heat resistant
Anzahl Thread Inserts15
Total Parts19
VerpackungKunststoffkoffer mit Kunststoff-Formeinlage
ManufacturerGSR Gustav Stursberg GmbH
Core Hole Øe & Tool Data:
THREAD SIZE PITCH KERNLOCHBOHRERHSS-G VAP, DIN 338 EG-KERNLOCHDIN 8140 EINSÄTZE1,5×d EINDREHW. ZAPFEN­BRECHER
MF 8×1 1,0 mm Ø 8,3 mm Ø 8,3 mm 15× ✓ ✓

STI Tap: MF 8×1 HSSG, Form D, 6H , Standard Host Thread: DIN 8140

Advantages
✓
Repair damaged MF 8×1 fine threads , nominal diameter fully preserved
✓
Thread reinforcement using stainless steel coil insert , permanently load-bearing
✓
Pitch 1.0 mm precisely maintained , ideal for precision applications
✓
Inserts made of austenitic stainless steel A2 , corrosion and heat resistant
✓
Diamond-shaped cross-section (60°) , uniform load distribution across all thread flanks
✓
EG tap Form D , suitable for blind holes and through holes
✓
Drill bit Ø 8.3 mm HSS-G VAP included , ready to use immediately
✓
15 thread inserts in the set , economical for frequent repairs in workshops
Applications
  • Precision engineering and electrical technology Repair of the smallest MF 8×1 fine thread bores in sensor housings, connectors and measuring instruments
  • Optics and medical technology Restoration of MF 8×1 threads in optical instruments and medical precision devices
  • Precision machinery Thread repair in adjustment screw bores and guide elements with fine pitch 1.0 mm
  • Aerospace Restoration of MF 8×1 fine threads in lightweight components from aluminium and titanium alloys
  • Model making and watchmaking Reliable repair of the smallest MF 8×1 fine thread bores wherever precision is critical
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
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