BK DRILLING
08540778b 085 407 78b 085-407-78b Plate, Backing
Representative Photo
08540778b 085 407 78b 085-407-78b Plate, Backing - Sandvik Technical Drawing
Technical Drawing
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Sandvik / Tamrock

085 407 78b Plate, Backing

DD321-40

Available — Request Quote
Part Number085 407 78b
DescriptionPlate, Backing
BrandSandvik (Tamrock)
AssemblyFlushing Valve Assembly
TypeDrill Rig Spare Part

Quick answer

085 407 78b (also written 08540778b, 085-407-78b, or 085.407.78b) is a Sandvik plate, backing spare part used in the Flushing Valve Assembly assembly of the Sandvik DD321-40. Verified compatible with 6 Sandvik machine models including DD321-40, DD421-60C, DD422i-60C. 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: 08540778b, 085 407 78b, 085-407-78b.

Compatible machines

6

OEM cross-reference

085 407 78b

About Sandvik 085 407 78b Plate, Backing

Part of the Flushing Valve Assembly in the Sandvik DD321-40, this plate provides essential mounting, wear protection, or structural support. Regular inspection for wear, cracking, or deformation helps prevent unexpected equipment failure during drilling operations.

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.