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{"title":"High Performance ISO9001 Medium Air Pressure BR2 76mm Tungsten Carbide Drill For","imgUrl":"https:\/\/img.chinax.com\/nimg\/f6\/e4\/f50086b945c26d2f007c61ba0b6f-200x200-1\/high_performance_iso9001_medium_air_pressure_br2_76mm_tungsten_carbide_drill_for.jpg","attrs":{"Brand Name":"MIROC","Model Number":"BR2 76mm","Certification":"ISO","Place of Origin":"CHINA"}}
{"title":"SGS Certified Quarry hard rock drilling Hand Held Rock Drill Y20 Y24 Y26 Y20LY","imgUrl":"https:\/\/img.chinax.com\/nimg\/50\/88\/b0e78f124bfd0ad4d250b88842eb-200x200-1\/sgs_certified_quarry_hard_rock_drilling_hand_held_rock_drill_y20_y24_y26_y20ly_yt24_yt27_yt28.jpg","attrs":{"Brand Name":"MIROC","Model Number":"Airleg rock drill","Certification":"ISO","Place of Origin":"China"}}
{"title":"Mining Quarry Tunnel Pusher Leg hand held rock drilling equipment hand held rock","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/5e\/4cf75fdef72227073c8e4696b4cb-200x200-1\/mining_quarry_tunnel_pusher_leg_hand_held_rock_drilling_equipment_hand_held_rock_drill_machine.jpg","attrs":{"Brand Name":"MIROC","Model Number":"Airleg rock drill","Certification":"ISO9001,SGS, SONCAP","Place of Origin":"China"}}
{"title":"500 - 1500mm Drill Rod Spiral Geological High Wear Resistant Friction Welding","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/bc\/13ebdb9dba1292bbf0bb8dd052be-200x200-1\/500_1500mm_drill_rod_spiral_geological_high_wear_resistant_friction_welding.jpg","attrs":{"Brand Name":"MIROC KSQ","Model Number":"Spiral Drill Rod","Place of Origin":"China","Minimum Order Quantity":"Negotiable"}}
{"title":"T38 Threaded Rock Drill Rods\u2002Wear - Resistant With High Manganese Steel Material","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/93\/54a43939ed8342db652d321752be-200x200-1\/t38_threaded_rock_drill_rods_e2_80_82wear_resistant_with_high_manganese_steel_material.jpg","attrs":{"Brand Name":"MIROC","Model Number":"T38","Certification":"ISO","Place of Origin":"China"}}
{"title":"Rock T45 Threaded Drill Rod , Extension Drill Rods For Underground Powerhouse","imgUrl":"https:\/\/img.chinax.com\/nimg\/f1\/ca\/a6f814f4def3890d437847d61149-200x200-1\/rock_t45_threaded_drill_rod_2c_extension_drill_rods_for_underground_powerhouse_excavation.jpg","attrs":{"Brand Name":"MIROC","Model Number":"T45","Place of Origin":"China","Minimum Order Quantity":"50"}}
High Performance ISO9001 Medium Air Pressure BR2 76mm Tungsten Carbide Drill
Designed for mining, blasting, and water well drilling applications, this industrial rock tool delivers exceptional performance in demanding conditions.
Product Overview
In DTH (Down-the-Hole) drilling, the rock drilling bit serves as a direct extension of the shank, receiving direct impacts from the rock drill piston. Because the piston makes direct contact with the drill bit, minimal energy is lost, resulting in a nearly constant penetration rate regardless of hole length.
Compatibility & Customization
DTH bits are matched with specific hammers based on drilling hole diameter and spline configuration. Customization options include:
DTH drilling uses a percussion system where compressed air drives a piston inside the hammer body in an up-and-down motion. This action delivers intense percussive energy to the bit, crushing the rock for efficient drilling.
Key Advantages & Applications
The DTH hammer drilling method offers high performance, particularly in hard rock formations, and helps shorten project schedules. Ideal for:
Foundation work
Landslide prevention projects
Quarrying services
Marine civil works
1" - 2" Middle Air Pressure DTH Bits Specifications
DTH Button Bit
Diameter (mm)
Diameter (inch)
Gauge Buttons
Front Buttons
Flushing Holes
Weight (kg)
BR1
64
2 1/2
6x10
3x10
2
2.6
BR1
70
2 3/4
6x12
4x9
2
2.8
BR1
76
3
6x13
5x10
2
3.2
BR2
64
2 1/2
6x13
5x10
2
3.6
BR2
70
2 3/4
6x13
5x11
2
4.0
BR2
76
3
6x14
5x12
2
4.2
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit...
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit...
