Sandvik / Tamrock
550 490 11a Screw Kit
DL421-7C
| Part Number | 550 490 11a |
| Description | Screw Kit |
| Brand | Sandvik (Tamrock) |
| Assembly | 07 |
| Type | Drill Rig Spare Part |
Quick answer
550 490 11a (also written 55049011a, 550-490-11a, or 550.490.11a) is a Sandvik screw kit spare part used in the 07 assembly of the Sandvik DL421-7C. Verified compatible with 1 Sandvik machine model including DL421-7C. 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: 55049011a, 550 490 11a, 550-490-11a.
Compatible machines
1
OEM cross-reference
550 490 11a
About Sandvik 550 490 11a Screw Kit
This fastener is used in the 07 of the Sandvik DL421-7C. 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 DL421-7C (DL421-7C). 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.