


Sandvik / Tamrock
550 910 54a Bolt
DD421-60C
Available — Request Quote| Part Number | 550 910 54a |
| Description | Bolt |
| Brand | Sandvik (Tamrock) |
| Assembly | Cable Reel |
| Type | Drill Rig Spare Part |
Quick answer
550 910 54a (also written 55091054a or 550-910-54a) is a Sandvik bolt spare part used in the Cable Reel assembly of the Sandvik DD421-60C. Verified compatible with 4 Sandvik machine models including DD421-60C, DL430-7, DS510-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: 55091054a, 550 910 54a, 550-910-54a.
Compatible machines
4
OEM cross-reference
550 910 54a
About Sandvik 550 910 54a Bolt
This fastener is used in the Cable Reel of the Sandvik DD421-60C. 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 DD421-60C (DD421-60C). 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.

