SD4

Advantanges

1.Material: superior quality alloy steel which is made by Chinese best steel company.

2.Tungsten carbide:Choose from most supplier China

3.Suitable heat treatment and high production technology can ensure the high quality.

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Product Details

DTH Button Bits:

JS DRILL is in the position to offer a comprehensive range of DTH drill bits with all diameters of the current prevailing manufacturers’ hammer shank designs to match various drilling applications.

	Parts	Weight /kg		Parts	Weight /kg
1	Top Sub	8.8 Kg	9	Piston Case	15.6 Kg
2	"O"Ring	0.01 Kg	10	Retainer Ring	0.2 Kg
3	Check Valve	0.46 Kg	11	"O"Ring	0.01 Kg
4	Spring	0.04 Kg	12	Drive Chuck	4 Kg
5	Rubber Buffer	0.2 Kg	13	Drill Bit
6	Valve Sea	2.1 Kg
7	Inner Cylinder	2.45 Kg
8	Piston	9 Kg

Technical parameters
	Length(Less bit)	Weight	Outer diameter	Connection Thread	Bit Shank	Hole Range
	1082mm	43Kg	99mm	API2 3/8"REG	SD4	110-135mm
	Working Pressure		Recommended Rotation Speed		Air Consumption
	Working Pressure		Recommended Rotation Speed		1.8 Mpa	2.4Mpa
	1.0-2.2Mpa		30-60 r/min		5.5 m³/min	10 m³/min

Company

Company

JS DRILL is a famous private enterprise specialized in manufacturing and exporting drilling equipment and drilling tools. Our company has rich experience in manufacture and uses high-quality raw materials and advanced craft technology.

We operate strictly in compliance with the ISO9001 quality management system, and some of our products have passed European CE certification. We always adhere to the principle of “Sincerity-oriented, Credibility first”. By the end of 2024, our products had been sold into 95 countries, such as Germany, France, Sweden, USA, Canada, Italy and Spain, meanwhile, we are gaining recognition and praise from a growing number of clients.

Packing

Exhibition

Exhibition

FAQ

Q1.Why choose us?
A1. High-quality products, reasonable price, professional team work.

Q2. Do you have different type for different kind of stone?
A2. Yes, according hardness of stone and stone's feature, we have different type respectively.

Q3. If we need technical support, can you offer us?
A3. Yes, we have an experienced team, offering our customers additional benefits with specific advice.