Product Description
Tungsten carbide alloy stepped drill bit Step Drill Bit also named blade bits, with a Tungsten Carbide inserts on the blades.They are usually designed for use in soft formations such as sand, clay, or some soft rock.Their uses include drilling water wells, mining, geothermal, environmental and exploration drilling.
Whenever possible, they should be used to drill pilot holes, for they produce cuttings are easiest to log.Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples. Many special designs are available upon your request.
Specification of drag drill bit
Drag bits are made according to API standard or no thread standard just welding. Various step and chevron drag bits are available from 3 inch to 17 1/2 inch. (normal small size are 3”,3 3/4”,3 7/8”,4 3/4”,4 5/8”,5 7/8”,8 1/2" to 17 1/2"and so on).There is very good feedback from our customers because of the quality and price. Different drag bits can be made according to your drawings or samples
Size | Type Pin | Wt. (lbs.) | Size | Type Pin | Wt. (lbs.) |
1 3/4'' ~ 2 1/2'' | AW, A-Rod | 2 | 5 1/4'' ~5 1/2'' | 2 3/8'' API Pin | 8 |
2 5/8'' ~ 2 7/8'' | AW, A-Rod | 2 1/2 | 4 5/8'' ~ 5'' | 2 7/8'' API Pin | 10 |
2 3/4'' ~ 3 1/4'' | 3THD/4THD N-ROD 2'' IF | 4 | 5 1/8'' ~5 1/2'' | 2 7/8'' API Pin | 11 |
3 3/8'' ~ 3 3/4'' | 3THD/4THD N-ROD 2'' IF | 4 1/2 | 5 5/8'' ~ 6 1/4'' | 3 1/2'' API Pin | 18 |
3 7/8'' ~4 3/4'' | 2 3/8'' API Pin | 6 | 6 1/2'' ~ 6 3/4'' | 3 1/2'' API Pin | 19 |
4 7/8'' ~ 5 1/8 | 2 3/8'' API Pin | 7 | 7'' ~ 7 1/2'' | 3 1/2'' API Pin | 21 |
| | | 7 5/8'' ~ 8'' | 3 1/2'' API Pin | 23 |
Application
Our drill bits are widely used in various industries, such as coal mining, petroleum exploration, geological exploration, water conservancy and hydropower, railway and highway, tunnel construction, etc. Steel drill bits are used for drilling blowholes, drainage holes, and grouting holes in coal mines and water conservancy projects; Blade drills are mainly used for drilling soft media formations, such as mudstone, limestone, shale, sandstone, and granite.
Why did you choose us?
Zhengzhou Sungood New Material Technology Co., Ltd. has 15 years of professional experience in the production of mining machinery mining tools and accessories. Its main products include PDC cutting tools, PDC drill bits, diamond drill bits, etc. Our products are sold to multiple countries and regions, and we have established stable cooperative relationships with more than 20 customers worldwide.
What can we offer you？
Zhengzhou Sungood New Material Technology Co., Ltd. has been developing new products mainly based on diamond composite materials and efficiently producing the following drilling tools:
※ PDC cutting tools/blades: 1304, 1305, 1306, 1308, 1310, 1313, 1613, 1616, 1916... petroleum or mining types.
※ PDC core drill bits: diameter 46mm, 50mm, 55mm, 60mm, 65mm, 75mm, 89mm, 94mm, 98mm, 113mm, 124mm, 127mm, 132mm, 146mm, 153mm, 190mm, 216mm，.......
※ PDC drill bits: including arc angle drill bits, flat top drill bits, and concave drill bits, providing products of any size from 50mm to 300mm. According to your needs, you can produce products such as two wings, three wings, and four wings;
PDC CUTTERS:1005,1205.1304,1305,1308,1313,1613,1616,1913, ....
Drill Rig: 3.5KW, 7KW, 12HP, 15HP, 20HP, 22HP, 25HP, 30HP, 35HP, 30-300m drilling depth According to your needs, we can provide you with customized products, including trademarks, packaging, etc
Packing & Delivery
Single carton box package, safe and regular placement.
Samples are shipped by express, batch products are shipped by sea or by air.
Delivery: 7-15 days for batch products.
110mm 3-Blade Alloy Drag Bit Tungsten Carbide Stepped Drill Bit for Well Drilling
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