Factory Price Middle Air Pressure DTH Drill Bits for Mining

• Customized: Non-Customized
• Standard: AISI
• Length: 82-511mm
• Type: DTH Drill Bit
• Material: Tungsten Carbide
• Usage: DTH Drill Rig
• Model NO.: DTH Drill Bits
• Transport Package: Wooden Case or as Your Need
• Specification: CE
• Trademark: HF
• Origin: Henan, China
• Production Capacity: 6000pieces/Month

Product Description

Factory Price Middle Air Pressure DTH Drill Bits for Mining



Type and Technical Specification

Type	Number of  Air hole	DIa.(mm)	Weight(kg)	Gauge Button	Front Button	Matching DTH Hammer
GL4.5-115	2	115-118	6.4	7×ф14	6×ф12	GL4.5
GL4.5-120	2	120-123	7	7×ф14	6×ф12
GL4.5-130	2	130-133	8	7×ф14	6×ф12
GL4.5-140	2	140-143	8.2	7×ф14	6×ф12
GL4.5-150	2	150-153	9	7×ф14	6×ф12
GL330-85	2	82-85	3.4	6×ф14	3×ф12	GL330
GL335-90	2	90-93	4.6	6×ф14	7×ф12	GL335
GL340-105	2	105-108	7.7	8×ф14	7×ф13	GL340 GL345 GL345K
GL340-115	2	115-118	8	8×ф14	7×ф13
GL340-130	2	130-133	10.5	8×ф14	8×ф13
GL350-130	2	130-133	17	7×ф16	7×ф14	GL350 GL355 GL355K
GL350-140	2	140-143	18	7×ф16	7×ф14
GL350-152	2	152-155	19	6×ф16	6×ф14
GL360-152	2	152-155	25	8×ф16	11×ф14	GL360
GL360-165	2	165-170	26.5	8×ф16	11×ф16
GL360-178	2	178-183	28.6	8×ф16	11×ф16
GL360-194	3	194-197	30	9×ф16	12×ф16
GL360-203	3	203-206	32	9×ф16	13×ф16
GL360-216	3	216-219	35	9×ф16	13×ф16
GL360-230	3	230-233	37	12×ф16	16×ф16
GL360-254	3	254-257	43	12×ф16	16×ф16
GL360-305	3	305-308	57	14×ф18	26×ф16
GL380-203	2	203-206	48	8×ф18	10×ф16	GL380
GL380-216	3	216-219	50	9×ф18	13×ф16
GL380-230	3	230-233	53	9×ф18	17×ф16
GL380-254	3	254-257	58	9×ф18	16×ф16
GL380-310	3	310-313	71	12×ф18	15×ф16
GL380-350	4	350-353	80	16×ф18	36×ф16
GL3120-302	3	302-305	176	12×ф18	×ф18	GL3120
GL3120-311	3	311-314	177	12×ф18	×ф18
GL3120-330	3	330-333	186	12×ф18	×ф18
GL3120-357	3	357-360	196	18×ф18	×ф18
GL3120-381	3	381-384	205	18×ф18	×ф18
GL3120-444	3	444-447	230	18×ф18	×ф18
GL3120-483	3	483-486	285	18×ф18	×ф18
GL3120-508	3	508-511	311	18×ф18	×ф18

Our Factory

We are a leading manufacturer of drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Zhengzhou, Henan, China.



We have rich experience in this field of DTH hammers and bits for 20 years.We have more than 50 sets of processing equipment to ensure the quality of our product, which has proved worthy by our client's recognition. And these equipments ensure large production capacity and adequate stock.We have all the small models in stock all year long and the bigger ones ready within 15-30 days.



Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.



Our Certificate

Our products has been authorized and certified by TUV and ISO9001: 2008. We guarantee the quality of the machines for one year after the trial run (excluding the wearing parts), but not exceeding 15 months from the date on which machines leave the factory.