Description
The GAT-SPR-CM8 8mm Calibration Punch Ring Die Mandrel from Grade A Tools is the male calibration punch designed for preparing precise 8mm holes in aluminum panels for flow form rivet installation on Tesla and Rivian vehicles. Used with the female ring die (GAT-SPR-CD8) and 8mm punch rings (TEZ-M8PR), this mandrel ensures accurate calibration, clean punching, and proper rivet fit without panel distortion. It fits SPR-12, SPR-12-V2, ProSpot PR-5/PR-8, ESR-800, and similar self-piercing rivet guns, delivering OEM-quality results for structural aluminum repairs in collision shops.
Key Features & Compatibility:
- 8mm male mandrel design for flow form rivet calibration and punching
- Precision machined creates accurate, clean holes
- Heavy-duty construction handles daily professional use
- Pairs with female die GAT-SPR-CD8 and punch rings TEZ-M8PR
- Compatible with SPR-12, SPR-12-V2, ProSpot PR-5/PR-8, ESR-800 guns
- Replaces ProSpot CD8-A for seamless fit
Included with Your Purchase:
- GAT-SPR-CM8 8mm Calibration Punch Ring Die Mandrel (male only)
Perfect for:
- Calibrating and punching 8mm holes for flow form rivets on Tesla and Rivian panels
- Collision shops repairing aluminum structures on electric vehicles
- Precise panel preparation for flow form rivet installation
- Achieving OEM-compliant results in Tesla, Rivian, and similar EV repairs
