RetroLOCK™ Overshot Head Assemblies & Options
Feel confident retrieving your core barrel with Di-Corp’s RetroLOCK™ overshot head assemblies and options.
The RetroLOCK overshot head assembly is our take on a trusted, traditional locking system. It’s used for core retrieval as it effectively locks onto and pulls the inner tube assembly to the surface. In addition to our RetroLOCK overshot head assembly, we provide full overshot assemblies.
RetroLOCK Overshot Assemblies product sheets
Surface

| Part Number | Description | Item # | Qty |
|---|---|---|---|
| 105721 | RetroLOCK Overshot Head Assembly N | – | – |
| 105718 | Overshot Head Body – RetroLOCK | 1 | 1 |
| 100533 | Self Locking Set Screw | 2 | 1 |
| 100529 | Compression Spring | 3 | 1 |
| 100530 | Lifting Dog | 4 | 2 |
| 100840 | Pivot Pin | 5 | 1 |
| 100841 | Sway Pin | 6 | 1 |
| 105724 | Overshot Cap – RetroLOCK | 7 | 1 |
| 105726 | Compression Spring – Retro LOCK | 8 | 1 |
| 105728 | Overshot Sleeve – RetroLOCK | 9 | 1 |
| 101702 | Stainless Steel Ball | 10 | 2 |
| 100888 | Compression Spring | 11 | 1 |
| 101487 | Pin – RetroLOCK | 12 | 1 |
| Part Number | Description | Item # | Qty |
|---|---|---|---|
| 105722 | RetroLOCK Overshot Head Assembly H | – | – |
| 105719 | Overshot Head Body – RetroLOCK | 1 | 1 |
| 100533 | Self Locking Set Screw | 2 | 1 |
| 100529 | Compression Spring | 3 | 1 |
| 100530 | Lifting Dog | 4 | 2 |
| 101498 | Pivot Pin | 5 | 1 |
| 100807 | Sway Pin | 6 | 1 |
| 105724 | Overshot Cap – RetroLOCK | 7 | 1 |
| 105726 | Compression Spring – RetroLOCK | 8 | 1 |
| 105728 | Overshot Sleeve – RetroLOCK | 9 | 1 |
| 101702 | Stainless Steel Ball | 10 | 2 |
| 100888 | Compression Spring | 11 | 1 |
| 101487 | Pin – RetroLOCK | 12 | 1 |
