BK DRILLING
55073439a 550 734 39a 550-734-39a Ring, Backing
Representative Photo
55073439a 550 734 39a 550-734-39a Ring, Backing - Sandvik Technical Drawing
Technical Drawing
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Sandvik / Tamrock

550 734 39a Ring, Backing

Rock Drill Spare Part

Available — Request Quote
Part Number550 734 39a
DescriptionRing, Backing
BrandSandvik (Tamrock)
AssemblyPower Extractor
TypeRock Drill Spare Part

Compatibility

Drifter Models

HLX5RD525

Machine Models

Quick answer

550 734 39a (also written 55073439a, 550-734-39a, or 550.734.39a) is a Sandvik ring, backing spare part used in the Power Extractor assembly of the Sandvik DT821-SC. Verified compatible with 2 Sandvik machine models including DT821-SC, DT921i. Used in 2 drifter configurations (HLX5, 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: 55073439a, 550 734 39a, 550-734-39a.

Compatible machines

2

Drifter configurations

2

OEM cross-reference

550 734 39a

About Sandvik 550 734 39a Ring, Backing

This component is part of the Power Extractor assembly in the Sandvik DT821-SC. 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 DT821-SC (DT821-SC). 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.