Spiral Drill Rod

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Brief

Spiral drill bit designed for coal exploration, directly connected to AA-1 pneumatic drill. The helical structure enhances drilling performance and efficiently removes cuttings. Ideal for soft to medium geological formations.

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This spiral drill bit is a primary drilling tool used in coal exploration projects. It is directly connected to the AA-1 pneumatic drilling machine, without requiring an extension rod. The helical body assists in cutting and pushing drill cuttings out of the hole, reducing clogging and improving efficiency. Made from high-strength alloy steel, the bit features corrosion-resistant green coating, suitable for damp and abrasive environments such as coal mines.

Parameter	Reference Value
Product Type	Exploration Drill Rod
Application	Coal mine exploration, soft to medium geological drilling
Material	High wear-resistant alloy steel
Rod Diameter (excluding spiral profile)	Φ21 ±1 mm
Rod Diameter (including spiral profile)	Φ40 ±1 mm
Total Length	1.5 m
Connection Type	Hexagonal connection
Surface Coating	Green/black anti-rust coatin

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