D Miningwell Top Quality Manufacture Wholesale DTH Hammer Bit Well Drilling Bit Drilling Tool

• After-sales Service: Provided
• Warranty: 3 Months
• Certification: API
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Model NO.: DTH bit
• Transport Package: Carton
• Trademark: D Miningwell
• Origin: Zhejiang, China
• Production Capacity: 5000pieces for Month

Product Description

The D Miningwell high pressure drill bit is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and construction, etc.

Advantages Of D Miningwell high pressure drill bit:
1.The longer life of the bit: the alloy material, with longer using life which better than the similar products;
2.High Drilling Efficiency: the drill buttons is wear-resistant, so that the drill can always keep sharp, thus greatly improving the speed of the drilling;
3.The drilling speed is stable: the bit is scraped and cut to break the rock;
4.Good Performance: the D Miningwell high pressure drill bit has strong wear resistance, good Diameter protection and can make the cutting teeth be used efficiently;
5.The use of a wide range: the practice proves that the bit is suitable for carbonate rock, limestone, chalk, clay rock, siltstone, sandstone and other soft and hard (9-grade drillability of rock, hard rock drilling), compared with normal bit, especially drilling in 6-8 grade rock the effect is particularly significant.
 

Technical Parameters
Model:	Head diameter:	Shank length:	Spline:	Port holes:	Gauge buttons:	Front buttons:	Weight:
DHD25A-76	76	174	6	2	φ14mm*6	φ11mm*4	3.2kg
DHD35A-90	90	180	8	2	φ14mm*6	φ12mm*5	4.7kg
DHD35A-100	100	180	8	2	φ14mm*6	φ12mm*5	4.8kg
DHD340-108	108	209	8	2	φ16mm*7	φ14mm*6	7.85kg
DHD340-130	130	209	8	2	φ16mm*8	φ14mm*4+φ13mm*3	8.88kg
DHD350-140	140	260	8	2	φ18mm*7	φ15mm*4+φ14mm*3	15.8kg
DHD350-152	152	260	8	2	φ18mm*8	φ14mm*8	17kg
DHD350-178	178	260	8	2	φ18mm*8	φ16mm*6+φ14mm*5	20.4kg
DHD360-154	154	308.5	8	2	φ18mm*8	φ16mm*4+φ15mm*4	22.5kg
DHD360-178	178	308.5	8	2	φ18mm*8	φ16mm*6+φ15mm*5	26.1kg
DHD360-203	203	308.5	8	2	φ18mm*10	φ16mm*8+φ15mm*6	30.4kg
DHD380-203	203	350	10	2	φ18mm*10	φ18mm*4+φ16mm*10	48.5kg
DHD380-254	254	350	10	2	φ18mm*12	φ18mm*12+φ16mm*8	62.4kg