FAMAG 1619 stepped guide pins are engineered to direct your counterbore tools centrally into pre-drilled holes, guaranteeing flawless guidance and concentricity. Made from hardened tool steel and ground slightly undersize, these pins slip easily into the bore before the counterbore enters, preventing wobble and ensuring crisp, clean edges on every hole 

📏 Technical Specifications

• Diameter Range: Ø 8 - 32 mm

• Shank Diameter:
  8 mm - fits Bormax® Prima Long counterbore spindles Ø 20-35mm
  10 mm - fits Bormax® Prima Long counterbore spindles from Ø 40 mm

• Total Length: 75 mm

• Usable Length: 50 mm

• Material: High-quality tool steel, precision-ground and slightly undersized for easy insertion 

🎯 Key Benefits

• Accurate Guidance: Keeps counterbore perfectly aligned to prevent off-center cuts.

• Reduced Tool Wear: Stabilizes tools, minimizing chatter and extending cutter life.

• Versatile Range: Multiple diameters cover a wide selection of counterbore sizes.

• Easy Handling: Smooth, tapered entry and undersized finish ensure quick setup.

⚙️ Application Tips

1. Select the Correct Pin: Match the pin diameter to your counterbore size for optimal fit.

2. Pre-Drill the Core Hole: Ensure a clean pilot hole before inserting the guiding pin.

3. Secure in Spindle: Slide the pin into the counterbore’s shank so it seats flush.

4. Maintain Clean Surfaces: Wipe pins and bores free of debris to preserve accuracy.