T51 (2") Rods, Coupling Sleeves for Top Hammer Bit, Button Bit

• Certification: CE, ISO 9001:2000
• Standard: AISI
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Size: R38 (1 1/2")
• Model NO.: R32, R38, T45, T51
• Match: Button Bit, Button Bit Retrac
• Suitable for: Extension Rod, Mf-Rod
• Usages: Tunnelling
• Transport Package: Standard Export Packing.
• Specification: Length: 1220-4305, Weight: 10-35.6kg
• Trademark: QIDELI
• Origin: China
• HS Code: 8431432000
• Production Capacity: 50000PS/Year

Product Description

QIDELI is an engineering company in mining and rock excavation.

We offer THE COMPLETE SOLUTION including drill bits, DTH hammer, drill rods, shank adapters, accessories and added value services. We offer top hammer equipment for every application, such as underground mining and quarries, road and construction. We've been involved in the mining industry for 20 years. We look for excellent performance in our products and service. We provide good quality and better price drill tools, that means excellent hole quality and low-cost drilling for you. 

Drill steel smelting quality control, rolling quality control and further products deep processing are equally important. We use following manufacture process, Refining+Vacuum +Continuous casting+Drilling hole method +Surface peeling at Shanghai Baosteel production site. Strictly control not only include above process, also control:
·Non metallic inclusion content A.B.C.D.≤0.5
·Harmful element residues Pb. Sn. Sb. As. etc.≤0.01%
·Gas content O≤10ppm, H≤2ppm
·Rolling surface decarburization≤0.05mm

Product	Length		Diameter		Thread	Weight
	mm	ft	mm	inch		KG
Extension rod T51-ROUND 52-T51	1830	6'	52	2"	T51	25.3
	3050	10'	52	2"	T51	43
	3660	12'	52	2"	T51	51.8
	4265	14'	52	2"	T51	60.5
MF-ROD T51-ROUND 52-T51	1830	6'	52	2"	T51	26.8
	3050	10'	52	2"	T51	45.7
	3660	12'	52	2"	T51	54.5
	4265	14'	52	2"	T51	63.3
Same diameter  coupling sleeve	235	9 1/4'	72	2 7/8"	T51	4.1
	235	9 1/4'	76	3"	T51	4.9
Reducing coupling sleeve	235	9 1/4'	72	2 7/8"	T51-T45	4.2

Contact:  Sophie
Cellphone: [phone]