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{"title":"R28 Thread 40mm Diameter Button Bit for Drifting and Tunneling Made of Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/1a\/029d503dea66efa236c94f82eedc-200x200-1\/r28_thread_40mm_diameter_button_bit_for_drifting_and_tunneling_made_of_alloy.jpg","attrs":{"Brand Name":"MIROC","Model Number":"R28 40mm","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"}}
R28 40mm Thread Rock Drilling Button Bit for Drifting and Tunneling
Tungsten carbide button bits feature unique working properties that make them ideal for various demanding applications. These bits are widely used in oil drilling, snow removal equipment, quarrying, mining operations, tunnel engineering, and civil construction projects.
Manufacturing Advantages
Manufactured with highest quality carbide for stable and consistent performance
Processed using latest HIP sintering technology for ultimate quality
Strict quality control throughout production ensures customer standards
Wide selection of tungsten carbide grades and sizes available
Factory-direct shipping for shorter delivery times
Expert technical advice to optimize product performance and cost efficiency
Custom polished carbide inserts for button bits available
Custom design, development, and production based on customer requirements
Both blank and finished products available
Product Specifications
Part Number
Product Code & Description
Bit Diameter (mm)
Bit Diameter (inch)
Front Buttons (No. x mm)
Gauge Buttons (No. x mm)
Angle
Front Flushing Holes
Side Flushing Holes
Weight (kg)
4148300436
B737-R28-S, R28 Button Bit, Spherical Buttons
37
1 1/2
2x7
5x9
30°
1
1
0.5
4148300437
B638-R28-S, R28 Button Bit, Spherical Buttons
38
1 1/2
2x8
4x9
30°
1
2
0.6
4148300438
B738-R28-S, R28 Button Bit, Spherical Buttons
38
1 1/2
2x7
5x9
30°
1
1
0.6
4148300439
B741-R28-S, R28 Button Bit, Spherical Buttons
41
1 3/5
2x8
5x9
35°
1
1
0.7
4148300440
B743-R28-S, R28 Button Bit, Spherical Buttons
43
1 2/3
2x9
5x9
35°
1
2
0.8
4148300441
B745-R28-S, R28 Button Bit, Spherical Buttons
45
1 7/9
2x9
5x10
30°
1
2
0.9
4148300442
B945-R28-S, R28 Button Bit, Spherical Buttons
45
1 7/9
3x8
6x9
35°
1
3
0.9
Button Bit Characteristics
Spherical Button Characteristics
Universal button design for versatile applications
Excellent wear resistance for extended service life
Optimal performance in hard ground conditions
Pressure range: 27,000-48,000 PSI (180 to 320 MPa)
Ideal for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics
Fast penetration rates for efficient drilling
Best suited for soft rock formations
Pressure range: 10,000-20,000 PSI (70 to 140 MPa)
Optimized for non-abrasive drilling conditions
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...