Hollow Hexagonal Drill Steel
Hollow Hexagonal Drill Steel, is a rock drill steel or integral drill steel without tips. Hollow Drill Steel Bar is a type of steel specially used in drill rod manufacture, high intension and toughness.
Integral drill rod without tip shank sizes 82.5 mm*22mm(3 1/4"*7/8"), 108mm*22mm(4 1/4"*7/8"), 108mm*25mm(4 1/4"*1"), 159,*25mm(6 1/4"*1). Lengths: 400mm to 6400mm(1'4"-21'). Head diameters: 27mm to 40mm
Tapered drill rod, another name called taper rod, tapered drill steels, This provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths available from 0.6 m to 3.6 m in length- Are measured from the collar to the bit end.
Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters
Advantages:
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
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
| Types of drill rods |
Specifications |
Length (mm) |
Shank |
| Tapered drill rods |
Taper Angle: 4, 6, 7, 11, 12 degree |
400mm to 8000mm |
Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm |
| Integral drill steel |
Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm |
400mm to 4800mm |
| Plug hole rods |
Chisel bit diameter: 17mm, 20mm, 22mm |
150mm to 710mm |
| Shank Style |
Length |
Head Diameter |
| |
Mm |
foot/inch |
Mm |
Inch |
| Hex19 × 108mmWe can produce as your request of carbide size, different length of drill rods. |
400 ~ 4,000 |
1' 4" ~ 13' 1" |
23 ~ 35 |
27/32 ~ 1 3/8 |
| Hex22 × 108mm |
400 ~ 9,600 |
1' 4" ~ 31' 6" |
26 ~ 41 |
1 1/32 ~ 1 39/64 |
| Hex25 × 108mm |
600 ~ 6,400 |
1' 11 5/8" ~ 21' |
33 ~ 45 |
1 19/64 ~ 1 25/32 |
| Hex25 ×159mm |
800 ~ 6,400 |
2' 7" ~ 21' |
35 ~ 42 |
1 3/8 ~ 1 21/32 |
Audited Supplier 
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