Material & construction
Machined steel ring with radial threaded screw positions.

Axially locates compatible casing centralizers and selected cementing accessories.
| Casing OD | 4-1/2 / 5-1/2 / 7 in (114.3 / 139.7 / 177.8 mm) |
|---|---|
| Mounting | Slip-on ring with radial set screws |
| Material | Steel body and specified screw grade |
| Acceptance | Holding-force evidence on matching casing |
Reference selections, not verified supplied-model ratings.
View catalogue page 26 ↗Machined steel ring with radial threaded screw positions.
Existing casing sizes and screw arrangement; no welded-on modification.
Confirm casing grade, OD tolerance, required holding load and supplier installation limits. The casing surface and selected screw system affect holding performance. Use the approved installation procedure.
Require dimensional checks and documented holding tests; material identity alone does not prove stop-collar capacity.
Separate labeled size batches; corrosion protection and screw retention.
Share your product IDs, quantities and operating conditions.