High quality T51 retractable button drill bit / Retract Rock Drilling Bit
USD $7 - $300 /Piece
Min.Order:5 Pieces
KSQ Technologies (Beijing) Co., Ltd.
Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength).Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
• Recommended for eliminating hole deviation
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock
Product Name: | different rock hardness drilling button bit |
Description: | For different rock hardness mining,tunneling,quarrying button bit Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment. |
Material: | Alloy steel bar and tungsten carbide bit |
MOQ: | trial order 1-5pcs |
Body Type | Normal type and retract type |
Thread type | R25,R28,R32,R38,T38,T45,T51,ST58,ST68 |
Diameter | 32mm-152mm |
Button bit shape | Spherical and Ballistic |
Face shape | Flat shape and Drop-center shape |
Button bit and Insert types
Spherical Button Characteristics
1.Universal button
2.Good wear resistance
3.Best suited for hard ground
4.27000-48000PSI(180 to 320Mpa)
5.Suited for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics
1.Fast Penetration
2.Best suited for soft rock
3.10000-20000PSI(70 to 140Mpa)
4.Suited for non-abrasive drilling conditions
Applications of rock drilling tools
• Underground mining
• Tunneling,quarrying
Quick detail of retract button bit:
• Widely used drifting and tunneling
• Bit face design is ideal for soft to medium rock formations
• With retrac wings to help guide the bit in and out of the hole
• Effective in straight hole drilling
Specification of retrac button bits
Part Number | Product Code and Brief 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) |
4148300521 | R945-R32-S, R32 Retrac Button Bit, Spherical Buttons | 45 | 1 7/9 | 3x8 | 6x9 | 40° | 3 | - | 1.1 |
4148300522 | R948-R32-S, R32 Retrac Button Bit, Spherical Buttons | 48 | 1 8/9 | 3x9 | 6x10 | 30° | 3 | - | 1.2 |
4148300523 | R951-R32-S, R32 Retrac Button Bit, Spherical Buttons | 51 | 2 | 3x9 | 6x10 | 30° | 3 | - | 1.4 |
4148300524 | R948-R32-S, R32 Retrac Button Bit, Spherical Buttons | 64 | 2 1/2 | 3x10, 1x10 | 6x11 | 35° | 3 | - | 2.2 |
4148300525 | R1264-R32-S, R32 Retrac Button Bit, Spherical Buttons | 64 | 2 1/2 | 4x10 | 8x10 | 40° | 2 | - | 2.2 |
4148300526 | R1376-R32-S, R32 Retrac Button Bit, Spherical Buttons | 76 | 3 | 4x11, 1x11 | 8x11 | 35° | 4 | 1 | 3.5 |
4148300609 | R948-R32-S, R32 Retrac Button Bit, Spherical Buttons | 48 | 1 8/9 | 3x8 | 6x10 | 40° | 3 | - | 1.2 |
4148300610 | R951-R32-S, R32 Retrac Button Bit, Spherical Buttons | 51 | 2 | 3x9 | 6x10 | 35° | 3 | - | 1.4 |
Packaging:Carton or Wooden Box
KSQ Technologies (Beijing) Co. Ltd. is a company that shall cater to the needs of the construction and mining industries, with consideration on providing solutions to the following unique problems:
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 capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.