5.5′ ′ Durable Src52 RC Bit for Hole Drilling in Mines

• After-sales Service: Yes
• Warranty: Yes
• Material: High Carbon Steel
• Application: Hole Drilling in Mines, Hydrology and Water Well
• Formation: Complicated Gravel Formation
• Quality: Best
• Model NO.: SRC52
• Transport Package: Ply-Wooden
• Specification: 133mm-143mm
• Trademark: sollroc
• Origin: Made in China
• HS Code: 82071300
• Production Capacity: 10000/Month

Product Description

Product Introduction:
RC drilling refers to Dual Wall or Dual Tube Drilling.RC drilling applies two rods with inner and outer tubes.Air is blew down the annulus of the rod and enter into hammer and bit.Rock formation fragments crushed by bit are collected into the inter tube via air hole on the bit head.And then returned to the ground and enter into sampling system.

Product Advantages:
1.Sample is dry and without contamination
2.High penetration
3.High sample recovery rate

Technical Parameters
SOLLROC RC BIT model SRC52:

Diameter		Buttons * button diameter		Button  angle	Flushing holes	Shroud diameter (mm)	weight  (kg)
mm	inch	Gauge	Centre
133	5 1/4	8*16mm	6*14mm+3*14mm	35	2	131	16.9
136	5 3/8	8*16mm	6*16mm+3*14mm	35	2	134	17.1
140	5 1/2	8*16mm	6*16mm+3*14mm	35	2	138	17.2
143	5 5/8	8*16mm	6*16mm+3*14mm	35	2	141	17.3

About us:
SOLLROC Reverse Circulation drilling (RC) ,from size 3'' to 5.5'', is a technique of drilling that uses dual wall drill rods that consist of an outer drill rod with an inner tube. By using compressed air to extract rock fragments sample,the samples travel through rods to a sample splitter at surface, avoiding all contact between the samples and the borehole wall that allows samples to be retrieved with minimal contamination,which is mainly used in deep hole exploration and mining grade control.

Delivery Way:
By Air, By express or By Sea

Package :
Ply-wooden cases + pallet

Detail Photos: