Down The Hole Hammer Drilling, DTH Drill Rock Button Bit for Quarry Drilling, Mining

• Customized: Customized
• Standard: API
• Material: Tungsten Carbide
• 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.: DHD360
• Usage: Well Drilling
• Shape - Face: Flat or Concave or Convex
• Air Pressure: High Air Pressure
• Transport Package: Wooden Case
• Specification: CE ISO
• Trademark: JEAO
• Origin: China
• HS Code: 84314320
• Production Capacity: 1000 Sets Per Months

Product Description

Down The Hole Hammer Drilling , DTH Drill Rock Button Bit for Quarry Drilling , Mining

DTH hammer and bits are compatible with CIR, DHD, QL, SD, Mission, etc. Series of Atlas and Secoroc etc.

They are with high efficiency, low failure rate and long service life. Even for all kinds of high hardness, high abrasive rocks and other harsh conditions, our drilling tools can also realize efficient and economical drilling.

Down-the-hole (DTH) bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.

Specification for DTH drill bit:
 

Bit Dia.(mm)	Qty.× Button Dia.(mm)		Qty.Air Holes	Weight (kg)	Product Code
	Outer	Front
152	8×16	4×16+4×14	2	23.2	140604
165	8×18	4×18+5×16	2	24.0	140914
172	8×18	4×18+4×16	2	25.1	140764
178	9×18	5×18+5×16	3	26.0	141124
185	8×19	5×19+5×16	2	26.5	140854
190	10×18	5×16+5×16	2	29.2	140664
195	10×18	5×18+5×16	2	29.9	140304
204	10×18	6×18+7×16	2	32.4	141254

 

DTH Hammers Specifications
Hammer Size	Bit Shank	Connection Thread	Suitable bit	Working pressure	Air consumption
3"	DHD3.5	API 2 3/8" Reg	¢90-¢110mm	1.0-1.5Mpa	1.0Mpa	4.5m3/min
	COP32/COP34
	M30				1.5Mpa	9m3/min
4"	DHD340	API 2 3/8" Reg	¢110-¢135mm	1.0-2.5Mpa	1.0Mpa	6m3/min
	COP44
	QL40
	SD4				1.8Mpa	10m3/min
	M40				2.4Mpa	15m3/min
5"	DHD350	API 2 3/8"Reg/API 3 1/2" Reg	¢135-¢155mm	1.0-2.5Mpa	1.0Mpa	9m3/min
	COP54
	QL50
	SD5				1.8Mpa	15m3/min
	M50				2.4Mpa	23m3/min
6"	DHD360	API 3 1/2" Reg	¢155-¢190mm	1.0-2.5Mpa	1.0Mpa	10m3/min
	COP64
	QL60
	SD6				1.8Mpa	20m3/min
	M60				2.4Mpa	28.5m3/min
8"	DHD380	API 4 1/2" Reg	¢195-¢254mm	1.0-2.5Mpa	1.0Mpa	15m3/min
	COP84
	QL80				1.8Mpa	26m3/min
	SD8				2.4Mpa	34m3/min
	M80/M85
10"	SD10	API 6 5/8" Reg	¢254-¢311mm	1.0-2.5Mpa	1.0Mpa	22m3/min
	Numa100				1.8Mpa	40m3/min
	ROS 100				2.4Mpa	55m3/min
12"	DHD1120	API 6 5/8" Reg	¢305-¢445mm	1.0-2.5Mpa	1.0Mpa	30m3/min
	SD12				1.8Mpa	56m3/min
	Numa120				2.4Mpa	78m3/min
Notes: Any special size of DTH bits will be available by requests.
Metzke, Remet thread is available!