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Sandvik / Tamrock
817 852 99 HEXAGON HEAD BOLT
DD321-40
Available — Request Quote| Part Number | 817 852 99 |
| Description | HEXAGON HEAD BOLT |
| Brand | Sandvik (Tamrock) |
| Assembly | SCREW SET |
| Type | Drill Rig Spare Part |
Quick answer
817 852 99 (also written 81785299 or 817-852-99) is a Sandvik hexagon head bolt spare part used in the SCREW SET assembly of the Sandvik DD321-40. Verified compatible with 12 Sandvik machine models including AXERA 7-240, DD321-40, DD321-40C. 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: 81785299, 817 852 99, 817-852-99.
Compatible machines
12
OEM cross-reference
817 852 99
About Sandvik 817 852 99 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.
