The Flange (OEM Part No. 3128315450) is a spare part compatible with Boltec S10M, Boltec S, Boomer 291, Boomer 281, Simba S7D, boomer-282, Boomer S1D underground drilling rigs. Manufactured from durable alloy steel, it is designed as a structural component for the pipeline & component sealing connection at the flange connection mount position. It tightly connects hydraulic pipelines and mechanical assemblies with reliable sealing performance to stop oil leakage under high hydraulic pressure. Its rigid alloy steel body provides stable clamping strength, perfect OEM dimensional matching and long service life for multi-model mining drilling equipment.