I contacted a lab…
https://www.metengr.com
1. I need 1-5grams of 6.2 Redblock Drill Shavings.
2. Grind the block surface clean to bare block material.
3. Use clean/new drill bit and get 1-5 grams, 5 grams preferred.
4. Place the shavings in a sanitized container.
5. Post pictures of motor, date code and sample location.
6. Ship the sample to my home and I will reimburse you for time, materials and shipping.
How soon can you giterdun?