ST68 127mm Retractable Drill Bit with Drop Center Mining Drill Bits for Drilling Loose Broken Rock
We have a complete line of fast penetration and rock pulverization threaded bits for the worldwide drilling industry, which are suitable for any type of drilling application including, rock drilling, water well, quarries, open pit and underground mining, construction, and blasting and so on.
All KSQ bits are computer aided designed and engineered, CNC manufactured and multiple heat-treated, to extend the product life for maximum wear and performance in the toughest of drilling conditions. Moreover, they are produced from premium steels and fitted with tips made from high quality tungsten carbide for superior penetration while maintaining high cleaning action at the face of the bit, to ensure maximum service life and impact strength. In addition, we have available full range of skirt shapes, front designs and cutting structures configuration for various rock formation as well as different penetration need.
Product Description:
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.
Retrac button bit suitable for powerful percussive drills and top hammers with high speed drifter, the products are widely used in bench and production drilling, extensional drilling.
Products Parameters:
Product Name: | Button Drill Bit | |||
Diameter: | 127mm | |||
Button Size: | Front 8*14mm Gauge 9*16mm | |||
Thread: | ST68 | |||
Flushing Hole: | 3 Front | |||
Application: | Button drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling | |||
Weight: | 15 kg | |||
Button Type: | Spherical | |||
Body Type: | Retrac | |||
Face Type: | Drop Center | |||
Material: | Alloy steel bar 45CrNiMoV and tungsten carbide tips YK05 | |||
MOQ: | No requirement for testing and trial order | |||
We can design and manufature according to your requirment of diameter, number air holes and carbide button shape |
Product Advantage:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
Specification of other Retrac Button Bits:
Skirt Shape | Straight (Normal) | Retract | Straightrac |
Bit Diameter | 35~152mm | 45~127mm | 64~102mm |
(1 3/8 ~ 6”) | (1 25/32” ~ 5”) | (2 1/2” ~ 4”) | |
Thread | R22, R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68. | R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68. | R38, T38, T45, T51, T60, ST58, ST68. |
Face Design | Flat, Convex or Drop Center; | Flat, Convex or Drop Center; | Flat, Convex or Drop Center; |
Inserts Configuration | Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical; | Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical; | Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical; |