DTH Hammer Bits 330mm Numa100 DTH Bit Rock Drill Bits For Drilling

Brand Name:SOLLROC
Certification:SGS
Model Number:Numa100 dth bits
Minimum Order Quantity:1 set
Delivery Time:3-4 weeks
Place of Origin:China
Contact Now

Add to Cart

Verified Supplier
Location: Changsha Hunan China
Address: No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China
Supplier`s last login times: within 21 hours
Product Details Company Profile
Product Details

DTH Hammer Bits 330mm Numa100 DTH Bit Rock Drill Bits For Drilling

Product specifications: Numa100 DTH bits


ItemBit Dia
(mm)
No. Of
Air Holes
Gauge
Buttons
Front
Buttons
Weight
(Kg)
Numa100254312×Φ1820×Φ1690.0
305412×Φ1836×Φ16102.0
311412×Φ1836×Φ16104.0
318412×Φ1838×Φ16106.0
330416×Φ1842×Φ16112.0

For 10" hammer
DTH bits shank
Bit Dia.Air Holes
No.
Gauge
Buttons
Front
Buttons
Weight
(Kg)
Part No.
mminch
SD1025410"312×φ1820×φ16108.0SD10-254
30512"412×φ1836×φ18125.0SD10-305
31112 1/4"412×φ1836×φ16130.0SD10-311
31812 1/2"412×φ1838×φ16142.0SD10-318
33013"416×φ1842×φ16155.0SD10-330
NUMA10025410"312×φ1820×φ1690.0Numa100-254
30512"412×φ1836×φ18102.0Numa100-305
31112 1/4"412×φ1836×φ16104.0Numa100-311
31812 1/2"412×φ1838×φ16106.0Numa100-318
33013"414×φ1842×φ16112.0Numa100-330

The characteristics of high air pressure DTH Button Bit:
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and dill pipe manufactured by Atlas copco and Ingersoll-rand.
Bit face shape selection:
1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.
2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
3. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
5. Flat Face Bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.
Carbide button shape selection:
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button


Product photos

China DTH Hammer Bits 330mm Numa100 DTH Bit Rock Drill Bits For Drilling supplier

DTH Hammer Bits 330mm Numa100 DTH Bit Rock Drill Bits For Drilling

Inquiry Cart 0