KING-LONG Integral Drill Steels are manufactured from premium, high-strength, alloy steel and are available with length from 600mm to 2400mm and head diameter from 21mm to 41mm. KING-LONG Integral Drill Steel rods are developed and designed to give you straighter holes with less deviation and longer service life.
On request, we can supply integral and plug hole rods to custom lengths and gauges. At KING-LONG, we use the finest raw materials available, including premium steel and top quality carbide.
Basic Information Nitoce
| Material | 55SiMnMo,8Cr,95CrMo |
| Production Lead time | Normally 7-20 days |
| Transit time | Normally 7-15 days |
| Packaging | As customer required or standard packaging |
| Protection | Antirust oil |
| Quality assurance | Formally Contract Paper |
| Technical support | For all user we have technical engineer support
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Integral Drill Steels: Integral Drill Steel is mainly used in small-hole drilling, such as stone quarrying, foundation drilling, tunneling, underground mining, road cutting, and trenching and so on, and equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. It can reduces the expense of impact energy, improves the drilling speed and efficiency, which can be used for drilling bore hole diameter from 23mm to 45mm usually.
Main Parameter
| Model | Taper Degree | Drilling Road Length | Shank Size |
| Hex.19mm | 7°,4.8°,12° | 0.4m-4.0m | 83mm,108mm |
| Hex.22mm | 7°,4.8°,12° | 0.8m-6.0m | 83mm,108mm |
| Hex.25mm | 7° | 0.8m-6.0m | 108mm,159mm |
Specifications:
(1)Steel grade: 95CrMo equivalent to SANDBAR 20 or C253, 55SiMnMo
(2)Shank size: hex19mm hex.22mm, hex.25mm including Plug Hole Rod
(3)Head Diameter: 24mm-44mm
(4)Length: 0.4m-6.4m
Rock Drilling Steel Taper Rods for Drill Bit
Rock Drilling Steel Taper Rods for Drill Bit can be connected with button bits,taper bits,and cross-type bits.
Application:Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling.
