China 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.
TypeLength(mm)hex22*108mm9451050135017451950Material: 95CrMo (Same as SANDBAR 20 or C253)
Diameter: Hex. 22mm, 25mm, 28mm, 32mm, 38mm.
Length: 800mm, 1600mm, 2400mm, 3200mm or any length according to your requirement.
Package: Wrapped with plastic knitting and then into bundles.
Hot Rolled Hexagonal Hollow Drill Steel
Integral drill steel without tips
This drill steel is widely used in stone quarrying and very popular in India.Its common length as 800mm,1600mm,2400mm and 3200mm.
The chemical composition of the integral drill steel without tips is as below:C:0.9%--1.0%, SI:0.15%--0.4%, MN:0.15%-0.4%, CR:0.8%-1.2%, MO;0.15%--0.3%,HRC38.5 Integral drill steel without tips,which is widely used in stone quarrying,and very popular in India market.It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 30mm to 41mm usually. Each rods use premium quality alloy steel and excellent quality tungsten carbide to assure high drilling performance.
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.