Sandvik / Tamrock
550 927 21a Hinge
DD321-40
| Part Number | 550 927 21a |
| Description | Hinge |
| Brand | Sandvik (Tamrock) |
| Assembly | Bracket, Valve |
| Type | Drill Rig Spare Part |
Quick answer
550 927 21a (also written 55092721a, 550-927-21a, or 550.927.21a) is a Sandvik hinge spare part used in the Bracket, Valve assembly of the Sandvik DD321-40. Verified compatible with 7 Sandvik machine models including DD321-40, DD321-40C, DD421-60. 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: 55092721a, 550 927 21a, 550-927-21a.
Compatible machines
7
OEM cross-reference
550 927 21a
About Sandvik 550 927 21a Hinge
An essential element of the Bracket, Valve in the Sandvik DD321-40, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.
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.
