Hard Rock Drill Rods Carbon Steel Integral Drill Steel with 20-42mm Diameter and 400-8000mm Length Options
Hard Rock Drill Rods are manufactured from high-quality carbon steel using precision forging processes. These integral drill steel rods feature plug hole design and are engineered for demanding mining and construction applications where reliability and drilling efficiency are critical.
| Parts Name | Drill Steel Rod |
| Application | Mining, Road Construction Hole Drilling |
| Processing Type | Forging |
| Use | Rock Drilling, Mining, Quarrying |
| Thread Protector | Plastic, Metal, Rubber |
| Shank Options | H22x108mm, H19x108mm |
| Diameter Range | 20-42mm |
| Length Range | 400mm to 8000mm |
| Hole Diameter | 19mm to 41mm |
- Integral design with forged collar and fixed length construction
- Hexagonal chuck section provides optimal leverage for rotation chuck bushing
- Capable of drilling to depths equivalent to their effective length
- Tungsten carbide inserts available in single chisel or multiple configurations
- Designed for 0.4m drilling increments to match air-leg feed length
- Series drilling capability for deep holes up to 2.0m with progressive length increases
| Shank Style | Length Range | Head Diameter |
|---|---|---|
| Hex19 × 108mm | 400-4,000mm (1'4"-13'1") | 23-35mm (27/32-1 3/8") |
| Hex22 × 108mm | 400-9,600mm (1'4"-31'6") | 26-41mm (1 1/32-1 39/64") |
| Hex25 × 108mm | 600-6,400mm (1'11 5/8"-21') | 33-45mm (1 19/64-1 25/32") |
| Hex25 × 159mm | 800-6,400mm (2'7"-21') | 35-42mm (1 3/8-1 21/32") |
These plug hole integral drill steels are specifically designed for stone pit operations requiring small hole drilling. The integrated rod and bit configuration eliminates the need for shank adapters or coupling sleeves, significantly reducing energy waste and improving drilling efficiency. Compatible with air leg rock drills and hand held rock drills for underground mining applications.
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