R38*170mm Thread Coupling Sleeves Adapter Coupling Cross-Over Adapter Coupling

• Customization: Available
• Customized: Customized
• Color: Black
• Outside Diameter: 4.5"
• Usage: Coal Mining, Ore Mining
• Material: Alloy Steel Bar
• Condition: New
• Brand: Prodrill
• Thread Type: R32 T38 T45 T51
• Quality: High Quality
• Price: Good Price
• Transport Package: Wood Package
• Specification: SGS, CE
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 1000pec/Months

Product Description

Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is required to join the adapter to the rod,ensuring the ends touch for efficient energy transmission. Couplings are also used to connect several rods to each other in the same way. Couplings have a middle stop to prevent over-threading on to the drill rod. We can manufactures semi-bridge, full bridge coupling sleeves for the percussive tools.

Product Name:	threaded sleeve
Description:	threaded sleeve Couplings sleeve are used to connect several rods to each other
Material:	Alloy steel bar
MOQ:	No MOQ required for testing and trial order
Type	full-bridge,semi-bridge,same diameter etc.
Thread type	R22,R25,R28,R32,R38,T38,T45,T51
Diameter	33mm-76mm
Length	140mm-250mm
Color	Gold,Black

Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters





Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory

About Us:
1.    Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2.    We have advanced technology and equipment.
3.    Our technician has more than 13 year's professional working experience.
4.    Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.