Bestlink Down The Hole Drilling DTH Hole Opener Button Bit

• Customization: Available
• Customized: Customized
• Standard: API
• Model NO.: 3-12 Inch (Ql, DHD, SD, Numa) DTH Button Bits
• Type: Center Drill Bit
• Material: High Carbon Steel
• Usage: Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
• Color: Blue
• Application: Down The Hole Drilling. Coal Mining
• Model: Br3
• Transport Package: Plywood
• Specification: CE
• Trademark: BESTLINK
• Origin: Xiamen, China
• HS Code: 82071990
• Production Capacity: 10000PCS/Month
• Package Size: 50.00cm * 50.00cm * 50.00cm
• Package Gross Weight: 20.000kg

Product Description

Bestlink Down The Hole Drilling DTH Hole Opener Button Bit

DTH hole opener bits
1. High and low air pressure down-the-hole drill bits
2. Low air pressure holeDia.: 65-220mm

3. High air pressure hole Dia.: 85-305mm

4. Face type: Drop center/concave/convex/double gauge/flat

5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.

About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts since 1980.
2. We have advanced technology and equipment.
3. Our technician has more than 25 year'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.

Remark	Shank	GuideDia. (mm)	Reamed Dia.(mm)	Qty.× Button Dia.(mm)		Weight(kg)
For 3.5" hammer				Outer	Front
	DHD3.5	95	130	6×14	4×11+3×11	8.5
				2×14
	DHD3.5	80	165	8×14	8×13+6×11	15.1
		100	165	8×14	4×13+4×12+3×12	14.5
	DHD3.5	110	165	8×14	4×13	15.2
		100	165	8×14	4×13+4×12+3×12	14.5
		115	171.5	9×16	6×14	16.1
For 5" hammer	DHD350R	75	152	8×18	6×14+2×14+2×14	35.2
For 6" hammer	DHD360	165	191	10×16	3×14+4×14	74.5
	DHD360	108	220	10×18	12×18+2×14+2×14	79.3
	DHD360	165	254	12×18	12×16+4×14+5×14	65.3
For 8" hammer	DHD380	140	200	10×18	8×12+2×14+4×14	10.6
	DHD380	188	254	22×18	2×18	147.4
	DHD380	152	305	14×18	10×18+16×16	107.8
	DHD380	210	381	16×18	28×18	120.5
For 12" hammer	DHD112	216	312	18×18	15×18+6×16+6×14	133.6
	DHD112	254	375	18×18	12×18+15×18	136.2
	DHD112	311	444.5	18×19	15×19+21×19	328.5