


Sandvik / Tamrock
551 618 40b Thrust
Rock Drill Spare Part
Available — Request Quote| Part Number | 551 618 40b |
| Description | Thrust |
| Brand | Sandvik (Tamrock) |
| Assembly | SPECIAL TOOLS |
| Type | Rock Drill Spare Part |
Quick answer
551 618 40b (also written 55161840b or 551-618-40b) is a Sandvik thrust spare part used in the SPECIAL TOOLS assembly of the Sandvik DD321-40. Verified compatible with 14 Sandvik machine models including DD321-40, DD321-40C, DD421-60. Used in 4 drifter configurations (HLX5, RD520, RD525). 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: 55161840b, 551 618 40b, 551-618-40b.
Compatible machines
14
Drifter configurations
4
OEM cross-reference
551 618 40b
About Sandvik 551 618 40b Thrust
This component is part of the SPECIAL TOOLS assembly in the Sandvik DD321-40. Maintaining OEM-compatible replacement parts ensures reliable machine performance and minimizes downtime in demanding mining and drilling operations.
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.