T51 Threaded Coupling Sleeve High Wear Resistance Full Bridge For Extension Rod

Brand Name:MIROC
Model Number:Coupling Sleeve
Minimum Order Quantity:1 Pieces
Delivery Time:25 days
Payment Terms:L/C, T/T, Western Union, MoneyGram
Place of Origin:China
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details

Full Bridge R51 Threaded Coupling Sleeve For Bench Drilling High Wear Resistance


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.
Coupling sleeves are also used to connect several rods to each other in the same way. Coupling sleeves have a middle stop to prevent over-threading on to the drill rod.

Thread: R22, R25, R28, R32, R38, T38, T45, T51,
Function: Coupling sleeve, Adapter Coupling
Type: Full-bridge, Semi-bridge


Basic Information

Product Name:

Thread coupling sleeve

Thread

R25,R28,R32,R38,T38,T45,T51

Diameter

35mm-77mm (or 1 3/8 inch to 3 inch)

Length

150mm-235mm (or 6 inch to 9 1/4 inch)

Material:

High strength alloy steel bar

Type

full-bridge, semi-bridge etc.

Color

Green, Gold, Black or based on customer requirements.

MOQ:

No MOQ required for testing and trial order

Applications


R25, R28, R32, R38

Used in drifting and tunneling.


T38, T45, T51

Used in benching and long hole drilling.


Processing


CNC milling and proprietary heat treatment process


Competitive Advantage


High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance

Specification

Coupling Sleeve
LengthDiameterThreadWeightPart Number
mminchmminch kg 
R25 Coupling Sleeve
1506351 3/8R250.74148300429
1556 1/9441 3/4R251.04148300430
1606 2/7381 1/2R251.34148300431
R28 Coupling Sleeve
1506401 4/7R280.94148300483
1706 2/3552 1/6R282.04148300484
R32 Coupling Sleeve
1506441 3/4R321.04148300646
1606 2/7441 3/4R321.14148300647
R38 Coupling Sleeve
1706 2/3552 1/6R381.94148300703
1907 1/2552 1/6R382.14148300704
T38 Coupling Sleeve
1907 1/2552 1/6T382.14148300803
T45 Coupling Sleeve
2108 1/4632 1/2T453.04148300881
2108 1/4662 3/5T453.34148300882
T51 Coupling Sleeve
2258 6/7712 4/5T514.64148300961
2258 6/7763T514.84148300962
2359 1/4722 5/6T514.74148300963
2359 1/4773T514.94148300964

China T51 Threaded Coupling Sleeve High Wear Resistance Full Bridge For Extension Rod supplier

T51 Threaded Coupling Sleeve High Wear Resistance Full Bridge For Extension Rod

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