China Best Drill Bits Equipment Drill Bits Drilling Tool Bits Cutting Tool Bits/Rock Drill Bits Manufacturer

Product Introduction of the Rock Drill Bits

1,)Adopt new super hard materials,with long service life during cutting bit process

2,)Greatly improved drilling efficiency in medium hard rock and hard rock.

3,)The blade is durable,do not need to grinding,easy to use

4,)It can be used in the coal mine, such as traffic, water and electricity industries bolting hole drilling.

5,)We could supply the size from F25 to F42mm. And we also could provide the different strength roof bolting bits, like ordinary type,strengthened type, and super strengthened type.

Product Parameter of the Rock Drill Bits

Type	Diameter(mm)	Height(mm)	Nozzle
Normal Type     Reinforced Type	27	48	No	Diameter
	28	48
	29	48	3	4
	30	48
	32	48
	36	52
	42	60

Product Application of the Rock Drill Bits

1. Blast hole drilling

2. Exploration drilling

3. Water injection drilling

4. Gas detection and drainage

5. Water detection and drainage

6. Roof and side drilling and bolting

Product Qualification of the Rock Drill Bits

Deliver and Shipping 

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods;

4. Delivery Time:1-5 days for sample,1-15 days for batch goods.

Serving

1,)Customized product is provided,just provide us the drawing,or detailed size;

2,)Free samples is provided, Business started after your test successfully;

3,)Promise you factory price,stable stock,and fast delivery;

4,)If quality is not satisfy your market,cost will be returned to your side;

5,)ZLONG makes quality as its life,best service as its soul.Whenever you need,ZLONG is at your side;

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