Copyright Notice:
All photography on this website (except oil derrick/prairie) are ©Gainsboro Studios. A very special thank you to Jan Bunney for her wonderful vision and brilliant photography.

• Trendon Catalogue - Download Our Entire Catalogue

• TFA Chart - Metric and Imperial



Printable Spec Sheets
For your convenience, we have added some PDF format files to this page. Please print them out. Should you have any questions or concerns, please feel free to contact us.


Steel Body PDC's

• TX613-6 (6 1/4") - Spec Sheet PDF File

• TX613-9 (6 1/4") - Spec Sheet PDF File

• TX616-6 (6 1/4") - Spec Sheet PDF File

• TX616-9 (6 1/4") - Spec Sheet PDF File

• TC513 (7 7/8") - Spec Sheet PDF File

• TX513 (7 7/8") - Spec Sheet PDF File

• TX613 (8 3/4") - Spec Sheet PDF File

• TX619-6 (8 3/4") - Spec Sheet PDF File

• TX619-9 (9 7/8") - Spec Sheet PDF File

• TC619-9 (11") - Spec Sheet PDF File


Matrix PDC's

• OTS55 - (6 1/8") - Spec Sheet PDF File

• OTS55 - (6 1/4") - Spec Sheet PDF File

• OTS56 - (7 7/8") - Spec Sheet PDF File

• OTS55 - (7 7/8") - Spec Sheet PDF File

• OTS65 - (7 7/8") - Spec Sheet PDF File

• OTS55 - (8 3/4") - Spec Sheet PDF File

• OTS56 - (8 3/4") - Spec Sheet PDF File


Core Bits

• Spec Sheet PDF File
• ICB Spec Sheet PDF File


Please Stay Tuned ... More Tech Aids will be coming soon!