Down the hole hammer bit QL80 DTH mining bits

Down the hole hammer bit QL80 DTH mining bits
Description:

• Product name.: DTH drill bit QL80N
• Processing type: Forging
• Material: YK05 + alloy steel
• Bit size: 8"
• Shank length (excluding valve): 332mm
• Bit diameter range: 194~305mm
• Color: Yellow/gold/red and others as your requirement.
• Apply to: Surface and underground mining, tunneling, geological exploration, quarries, dam construction, construction, water well

Bit head design and selection:
1. Flat front spherical
Applications: for drilling in hard and abrasive rock
2. Flat front spherical + ballistic
Applications: for drilling in medium-hard to hard and moderately abrasive rock
3. Convex front spherical + ballistic
Applications: for drilling in medium-hard and moderately abrasive rock
4. Convex front ballistic
Applications: for drilling at high- rates in non-abrasive rock
5. Concave front spherical
Applications: for drilling in medium-hard, minimum hole deviation control

Italian Cieffe atmosphere-controllable sealed quench furnace for heat treatment modern CNC machines for accurate finishing which contribute to the excellent performance of all our drilling tools