Couplings sleeve are used to connect several rods to each other.

Place of Origin:	Hunan China (Mainland)	Brand Name:	Great Wall	Model Number:	Rock Drilling Coupling  Sleeve R32,R38,T38,T45,T51
Material:	Alloy Steel	Processing Type:	Forging	Use:	Ore mining,well drilling,quarrying,ect
Color:	As per request	MOQ	No MOQ	Certification:	ISO9001:2008
Production capacity	5000 sets/ per Month	Packaging Detail:	Standard export carton,or as per request	Port	Chang Sha

Specification:

Thread Model	Length(mm)	Diameter(mm)
R32	160	55
R38	160	55
R38	180	55
R38	180	60
T38	190	57
T38	180	60
T45	180	60
T45	215	65
T51	235	76

We can manufacture different sizes of coupling sleeves according to customer's request.
Compared with the oversea brands, our advantages are bellowing:

1.     Our products can match over 95% against the original products.

2.     Efficient energy transfer and long service life due to the high quality of raw material and the advanced technology adapted,

3.      Faster Drilling speed.

﹡About Us:

1. Our factory has been specialized in manufacturing & exporting drilling tools and spare parts over 10 years.

2. We have advanced technology and equipment.

3. Our technician has more than 10 year's professional working experience.

4. Our products are exported throughout the world. Main market:Russia,USA,South Africa,Canada, Australia, Brazil, Uruguay, etc.

﹡Questions you may be interested in:

1.Payment:  T/T,Western Union,Paypal

2.Delivery time:  Based on your order qty, generally it takes 15-20 days for

production.only need 2 or 3 days if it's available in our stock.

3. Shipment:

Trail order: we suggest by DHL,express

Bulk order: we suggest by sea.

4.  Quality control:  We have our experienced QC Dep.

They will perform stick inspection and tesing for every order before shipping out.

5.  About aftersale services

Our sales team and technical Dep. Will be available at any time.(Holidy excluded)