Long skirt drill bits
Tapered Degree: 12°
Diameter: 33 mm
Gauge Buttons: 7mm*2
Front Buttons: 7mm*6
Carbide Design: Dome, Ballistic
Face Design: Flat
Skirt Design: long skirt (70mm)
Carbide Brand and Grade :ZCC/YK05
Steel grade :45CrNiMoVA
Category：
Tapered Button Bit
Keywords：
Tapered Button Bit
Description
Long skirt drill bits made with high quality of raw material through special heat treatment, especially, tungsten carbide of tapered button bits widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying.
The height of the drill bit for shorts body is generally 50-55mm； The height of Long skirt drill bit is generally above 60mm.
Taper Angle (Degree):4°46′,7°,11°,12°
Dia.:28mm,30mm,32mm,34mm,36mm,38mm,40mm,42mm,46mm,48mm,50mm,55mm,60mm70mm,80mm
Drillers choose tapered button bits for faster drilling penetration rate. Different taper sizes have different characteristics when it comes to the "knock-off" index - the smaller angle will prevent the bit from spinning.
Performance
1.Long skirt drill bits connect with tapered drill rod perfectly for drilling holes
2.Stable and mature welding technology ensure high quality of bits
3.Accurate dimension of taper degree perfectly matches the rods
4.work reliable and very cost-effective
5.High grade tungsten carbide inserts
6 Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Application
Long skirt taper button bits are used for tunneling, mining,quarrying, Well drilling,mining drilling,ore drilling
• Suitable for small hole range
• Widely used in Dimensional Stone Quarrying Industry
• Widely used in Underground Mining Industry
Details Form
| Diameter | NO.×button diameter | flushing hole | Weight （kg） | P/N | ||||
| mm | inch | front | gauge | Angle | front | side | ||
| 36 | 1 1/32 | 2×7 | 5x7 | 35° | 2 | 1 | 0.2 | 1111-36446-27/57-45-51 |
| 33 | 1 5/16 | 2×7 | 5×8 | 40° | 1 | 1 | 0.3 | 1111-33446-27/59-45-51 |
| 36 | 1 13/32 | 2×7 | 5×9 | 35° | 1 | 1 | 0.3 | 1111-36446-27/59-45-51 |
| 41 | 1 5/8 | 2×7 | 5×7 | 35° | 2 | - | 0.3 | 1111-41446-27/57-45-51 |
| 43 | 1 11/16 | 2×8 | 5×9 | 35° | 1 | 2 | 0.4 | 1111-43446-28/59-45-51 |
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APPLICATION
The company has established long-term strategic cooperative relations with Shenhuo Group and many other enterprises, scientific research institutions and equipment enterprises. The company integrates resources, pays attention to product technology research and development, and has obtained 1 invention patent and 11 utility model patents. The company's main products are: all kinds of geological exploration, coal mining drilling for drill pipe, diamond bit, cutting teeth, drill drill, air drill, coal rock drill and fishing tools and other supporting products. Among them, the H22 drill rod repair equipment developed by the company solves the problem of drill rod damage repair work to fill the gap in the market.
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