Sandvik / Tamrock
551 689 20a SCREW SET
DD321-40
| Part Number | 551 689 20a |
| Description | SCREW SET |
| Brand | Sandvik (Tamrock) |
| Assembly | 12 |
| Type | Drill Rig Spare Part |
Quick answer
551 689 20a (also written 55168920a, 551-689-20a, or 551.689.20a) is a Sandvik screw set spare part used in the 12 assembly of the Sandvik DD321-40. Verified compatible with 1 Sandvik machine model including DD321-40. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55168920a, 551 689 20a, 551-689-20a.
Compatible machines
1
OEM cross-reference
551 689 20a
About Sandvik 551 689 20a SCREW SET
Designed for the demanding environment of the Sandvik DD321-40, this fastening component secures critical elements within the 12. Mining equipment fasteners are subject to strict torque specifications and material requirements to maintain structural safety during operation.
This is an OEM-compatible aftermarket replacement part for the Sandvik DD321-40 (DD321-40). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.
