DTH Hole Opener Dtho-D312-D216 Button Bits

• Certification: ISO 9001:2000
• Manufacturing Process: Forging
• Material: Carbon Steel
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: DTHO-D312-D216
• Size: 3.5", 5", 6", 8", 12"
• Transport Package: Wood Package
• Specification: 216mm, 312mm
• Trademark: Prodrill
• Origin: China
• Production Capacity: 30000PCS/Month
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 10.000kg

Product Description

• Description

DTH hole opener
Prodrill manufactures hole-openers of all sizes and designs. We manufacture our hole-openers with highest grade of aircraft quality steel available. We manufacture from 6″-36″ diameters with any size pilot hole required.
We specialize in customization of hole openers where you may add an air hole through the pilot and/or carbide buttons on the pilot for better evacuation and cleaning of the hole thus reducing wear on the steel diameter. At any given time, we have several standard hole opener shanks in stock and in process, so please keep us in mind for all your hole opener needs

DTH Hole Opener- DTHO-D312-D216 for deep hole water well and large diameter surface hole drilling
 

Diameter	312mm
Diameter2	216mm
Gauge Buttons	18
Front Buttons	27
Shank type	DHD112 SD12 NUMA120
Carbide Design	Dome

Rock drilling tools manufacturer ProDrill DTH hole opener bits are manufactured from the highest quality aircraft alloy steel. Which are used to enlarge the size of a pilot hole most commonly for Blast hole drilling, Quarrying, DTH Drilling, Water Well Drilling, Oil Drilling, Construction, Foundation Drilling.

ProDrill offers a wide size of DTH hole opener bits, Guide diameter scope from 95mm - 311mm, Reamed diameter scope from 130mm - 444.5mm, DTH hammer size from 3.5'', 5 '', 6'', 8'', 12'' with all industry DTH hammer shanks for a match.

Rock drill bits advantages :

(1)  Wear pads, back reamer buttons, and or buttons on the pilot can be added for an additional fee.

(2)  The ability to use less powerful equipment than that required to drill the large diameter hole.

(3)  Straighter holes result from the smaller pilot hole.

Better clearing of cut material.

 Ps.: Others
1. Besides, we also sell other Stone drilling tools:
1) Rock drill:
Handheld rock Drill: Y10, Y18, Y20, Y24, Y26, TY24C, etc;
Airleg rock drill: YT24, YT28, etc;
2) Drill rod: Taper rod (hex. 22 * 108mm)
3) Drill bit: Taper button bit, Taper chisel bit, Taper cross bit
4) Splitter: Handheld stone splitter (or shims and wedges or plug and feather), G10 pneumatic splitter
5) Breaker: G10, TPB, etc;

2. Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
 
3. About Us:
1.    Our factory has been specialized in manufacturing drilling tools and spare parts for over 18years.
2.    We have advanced technology and equipment.
3.    Our technician has more than 18year's professional working experience.
4.    Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.