| Customization: | Available |
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| Customized: | Customized |
| Standard: | DIN, JIS, AISI, API |
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Blast Furnace Tap Hole Drill Bit Made in China
All our drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions. Moreover, all these bits are also made from high quality alloy steels and fitted with premium quality tungsten carbide tips for superior penetration rate.
Bit Diameter: 30mm-76mm
Length of drill rod: 1800mm-5530mm
Button bit design: Flat face, drop center, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench
| by carton |
| by wooden box |
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