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; |
