Sollroc 12 Inch SD12 High Air Pressure Down The Hole Hammer Bits

• Transport Package: Cartons + Ply-Wooden Cases for Exporting
• Trademark: Sollroc
• Origin: Changsha
• Model NO.: SD12 DTH Bits
• HS Code: 84314320
• Production Capacity: 5000pieces/Month

Product Description

Sollroc 12 inch SD12 High Air Pressure Down The Hole Hammer Bits

Our Products:

With professional manufacturing experience in DTH hammer production, our factory can supply you with high
pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

Advantages:
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special 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 drill pipe

Products Description:

SOLLROC offers DTH hammers with long service life and high penetration rates, in diameters ranging from 2 to 18 inches and their spare parts.

Application: Surface Drilling Equipment Consumables

Test Deepth of DTH Drilling HAMMER

Rock formation	Drilling meters
Granite	16400 ft above
Abrasive granite	9800 ft above
Sandstone	26300 ft above

Test Deepth of DTH Drilling Bits

Rock formation	Drilling meters
Hard and abrasive granite	320ft above
Middle hard rock	1000ft - 1600 ft
Middle hard granite	2300 ft - 3280 ft
Sandstone	650 ft - 1000 ft

12 inch Drill bits ,SD12 DTH bit

12" shank Bit	Bit Dia(mm)	Bit Dia(inch)	Air Hose	Gauge buttons	Front buttons	Part No
SD12	305	12"	3	15×φ19	27×φ18+9×φ16	HD12-305
	311	12 1/4"	3	15×φ19	27×φ18+9×φ16	HD12-311
	330	13"	3	15×φ19+12×φ19	27×φ18+16×φ16	HD12-330
	350	13 3/4"	3	15×φ19+12×φ19	28×φ18+20×φ16	HD12-350
	356	14"	4	16×φ19+16×φ19	28×φ18+20×φ16	HD12-356
	381	15"	4	16×φ19+12×φ19	42×φ18	HD12-381

Products Photos:




 

Quality warranty:
Our hammers are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:
Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.


Transportation:
By air, By Express or By sea according to your requests