KNSh pin crown - 105PM

KNSh - 105PM pin key (keyed connection) from UBM manufacturing company - Ural Drilling Capacities. Drill bits are designed to destroy rocks while drilling blast holes with submersible hammers. The key connection of the drill bit with the hammer, increasing the reliability and strength of the connection itself, provides a quick tool change. The blade blades are reinforced with hard alloy. The drill bit has a rational body shape, channels for supplying exhaust air to the bottom of the wells, three-blade position of rock-cutting blades.