🔧 Pin Spanners – For Lock Nuts on Angle Grinders & Rotary Polishers

Right Lines Pin Spanners are compatible with the lock nuts on most popular angle grinders and rotary polishers, making them essential tools for changing cutting or grinding discs quickly and safely. Available in two standard pin sizes and spacings, these spanners fit a wide range of machines used in metalworking, fabrication, and construction.

Whether you're replacing a cutting disc, flap disc, or backing pad, using the correct spanner prevents damage to the lock nut and helps ensure safe tool operation. Always match the correct pin spacing and diameter to your tool's lock nut design.

✅ Key Features:

• Designed to fit standard lock nuts on angle grinders and polishers

• Two pin size options to match different grinder brands and models

• Helps secure or release discs and accessories without damaging components

• Constructed from durable steel for long-lasting performance

• Ideal for workshops, tradespeople, and DIY users

• Prevents over-tightening or stripping of lock nuts

⚙️ Available Pin Configurations:

Choose the right size to fit your tool's lock nut hole spacing:

• 4mm Pins Spaced 30mm Apart

  • Commonly used on smaller angle grinders and compact rotary tools

• 5mm Pins Spaced 35mm Apart

  • Fits many larger angle grinders and rotary polishers

💡 Some lock nuts include two sets of grip holes—both spanners may work. If only one set of holes is present, ensure pin diameter and spacing match exactly.

🛠️ Applications:

• Tightening or loosening lock nuts on:

  • Angle grinders (100mm, 115mm, 125mm, 230mm)

  • Rotary polishers

  • Some die grinders and multi-tools

• Used during the replacement of:

  • Cutting discs

  • Grinding wheels

  • Flap discs

  • Backing pads for sanding and polishing

📐 Specifications:

• Material: Steel (may feature various protective coatings)

• Pin Sizes & Spacing:

  • 4mm pins with 30mm centre spacing

  • 5mm pins with 35mm centre spacing

• Finish: Colour or surface coating may vary based on stock batch

• Grip Style: Fixed pin arms, easy manual control

⚠️ Safety Tips:

• Never overtighten grinder lock nuts, especially on bonded cutting discs

• Always disconnect power supply before tool maintenance

• Replace worn or bent spanners to ensure proper fit and prevent injury

• Confirm grinder's rotation direction supports self-tightening action

🧰 Why Choose Right Lines Pin Spanners?

• Trusted compatibility with major grinder brands

• Durable construction ensures longevity in tough environments

• Clear size choices eliminate guesswork

• Bulk-friendly for workshops and trade teams

Upgrade your toolbox with Right Lines Pin Spanners, the reliable choice for safely securing and removing grinder lock nuts with ease. Essential for every tradesperson, fabricator, or DIY enthusiast.