Sandvik / Tamrock
858 258 09 Hexagon head bolt
DD321-40
| Part Number | 858 258 09 |
| Description | Hexagon head bolt |
| Brand | Sandvik (Tamrock) |
| Assembly | Screw set |
| Type | Drill Rig Spare Part |
Quick answer
858 258 09 (also written 85825809, 858-258-09, or 858.258.09) is a Sandvik hexagon head bolt spare part used in the Screw set assembly of the Sandvik DD321-40. Verified compatible with 7 Sandvik machine models including DD321-40, DD321-40C, DD422i. 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: 85825809, 858 258 09, 858-258-09.
Compatible machines
7
OEM cross-reference
858 258 09
About Sandvik 858 258 09 Hexagon head bolt
This fastener is used in the Screw set of the Sandvik DD321-40. 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 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.
