Rock Drilling DTH Drill Bit

 

A Rock Drilling DTH Drill Bit is a specialized tool used in the mining, construction, and drilling industries for creating boreholes or drill holes in various types of rock and hard materials. DTH drilling is a method where the drill bit is connected to the drill string, and high-pressure air is used to drive the bit into the rock, cut the material, and flush out the drill cuttings.

Here are some key characteristics and features of DTH drill bits for rock drilling:

 

Design: Rock Drilling DTH Drill Bits are designed to be durable and rugged, as they must withstand the high impact forces and abrasion encountered while drilling through hard rock formations.

 

Material: Rock Drilling DTH Drill Bits are typically made from high-quality, wear-resistant materials such as tungsten carbide inserts or steel. Tungsten carbide inserts are often used on the cutting edges of the bit to enhance its durability and cutting efficiency.

 

Button Types: Rock Drilling DTH Drill Bits can have various button configurations, such as spherical, ballistic, or parabolic buttons. These buttons are strategically placed on the bit's face to optimize penetration and improve rock-breaking efficiency.

 

Bit Face Shape: The shape of the Rock Drilling DTH Drill Bit face can vary depending on the specific drilling requirements. Common bit face shapes include flat, concave, and convex designs, each suitable for different rock types and drilling conditions.

 

Bit Size: DTH drill bits come in various sizes to accommodate different drilling diameters and depths. Smaller bits are used for shallower holes, while larger bits are used for deeper drilling operations.

 

Drill Rig Compatibility: Rock Drilling DTH Drill Bits are designed to be compatible with specific drill rigs and hammer systems. It's essential to ensure that the bit you choose is compatible with your drilling equipment.

 

Durability: Rock Drilling DTH Drill Bits are expected to have a long service life, given the harsh drilling environments they operate in. Proper maintenance and replacement of worn parts, such as tungsten carbide inserts, are essential to maximize their lifespan.

 

Water Management: Some Rock Drilling DTH Drill Bits are equipped with waterways or channels to facilitate water flushing during the drilling process. This helps in cooling the bit and removing drill cuttings from the hole.

 

Penetration Rate: Rock Drilling DTH Drill Bits are designed for high penetration rates to increase drilling efficiency. The selection of the appropriate bit design and button configuration can significantly impact the rate at which the bit progresses through the rock.

 

Application: Rock Drilling DTH Drill Bits are used in a variety of applications, including mining, construction, geotechnical drilling, and exploration drilling. The choice of a bit depends on the specific rock type and drilling objectives.

 

 

Technical Parameters Of Mission30 DTH Bits

Diameter		Gauge Buttons (mm)	Front Buttons(mm)				Weight(KG)	Part Number
mm	Inch		Flat Face	Convex Face	Concave Face	Face Type
90	3 1/2	Φ14*6	Φ12*2	Φ13*2	/	Convex Face	4.5	LR-MISSION30-90CV
90	3 1/2	Φ14*6	Φ12*4	/	/	Flat Face	4.5	LR-MISSION30-90FF
95	3 3/4	Φ14*6	Φ13*2	Φ13*2	/	Convex Face	4.6	LR-MISSION30-95CV
100	3 15/16	Φ14*6	Φ13*2	Φ13*3	/	Convex Face	4.8	LR-MISSION30-100CV
105	4 1/8	Φ14*6	Φ13*2	Φ13*3	/	Convex Face	5.0	LR-MISSION30-105CV
105	4 1/8	Φ13*8	Φ12*6	/	/	Flat Face	5.0	LR-MISSION30-105FF