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A rock drill extension rod, as the name implies, is an additional shaft attached to a primary drill rod, designed to extend the drilling depth and range. It is primarily used with percussion or rotary rock drills, which are employed for drilling through hard and abrasive rock formations. These rods are made from high-strength materials like alloy steel, ensuring durability and resistance against the harsh conditions encountered in drilling applications.

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In addition to drill bits and hammers, rock drilling tools also include various accessories such as stabilizers, casing shoes, and reamers. Stabilizers are used to keep the drill bit steady during operation, while casing shoes are used to support the walls of the hole and prevent collapses. Reamers, on the other hand, are used to enlarge the hole to the desired diameter Reamers, on the other hand, are used to enlarge the hole to the desired diameterrock Reamers, on the other hand, are used to enlarge the hole to the desired diameter Reamers, on the other hand, are used to enlarge the hole to the desired diameterrockrock drilling tools.

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Moreover, advancements in manufacturing technologies have further enhanced the capabilities of these bits. The introduction of heat treatment, surface coatings, and advanced tungsten carbide grades has significantly improved their wear resistance and overall lifespan. Additionally, the use of computational simulations and advanced materials science has allowed for the customization of button bit designs, tailored to specific drilling conditions.

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