


Sandvik / Tamrock
550 178 03 SLOTTED PAN HEAD SCREW
DT820
| Part Number | 550 178 03 |
| Description | SLOTTED PAN HEAD SCREW |
| Brand | Sandvik (Tamrock) |
| Assembly | ELECTRIC SWITCHGEAR CABINET AS |
| Type | Drill Rig Spare Part |
Quick answer
550 178 03 (also written 55017803, 550-178-03, or 550.178.03) is a Sandvik slotted pan head screw spare part used in the ELECTRIC SWITCHGEAR CABINET AS assembly of the Sandvik DD321-40. Verified compatible with 16 Sandvik machine models including AXERA 8-290, AXERA T11 DATA-315 C, AXERA T12 DATA-315 C. 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: 55017803, 550 178 03, 550-178-03.
Compatible machines
16
OEM cross-reference
550 178 03
About Sandvik 550 178 03 SLOTTED PAN HEAD SCREW
This fastener is used in the ELECTRIC SWITCHGEAR CABINET AS of the Sandvik DD321-40. High-strength fasteners in drilling equipment must withstand extreme vibration, cyclic loading, and environmental exposure. Using OEM-specification fasteners ensures proper clamping force and joint integrity in critical assemblies.
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.







