


Sandvik / Tamrock
BG 008 117 49a Lock nut
DL421-15C
| Part Number | BG 008 117 49a |
| Description | Lock nut |
| Brand | Sandvik (Tamrock) |
| Assembly | Extension |
| Type | Drill Rig Spare Part |
Quick answer
BG 008 117 49a (also written BG00811749a, BG-008-117-49a, or BG.008.117.49a) is a Sandvik lock nut spare part used in the Extension assembly of the Sandvik DL421-15C. Verified compatible with 1 Sandvik machine model including DL421-15C. 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: BG00811749a, BG 008 117 49a, BG-008-117-49a.
Compatible machines
1
OEM cross-reference
BG 008 117 49a
About Sandvik BG 008 117 49a Lock nut
Designed for the demanding environment of the Sandvik DL421-15C, this fastening component secures critical elements within the Extension. Mining equipment fasteners are subject to strict torque specifications and material requirements to maintain structural safety during operation.
This is an OEM-compatible aftermarket replacement part for the Sandvik DL421-15C (DL421-15C). 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.





