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17 Years Manufacturing Experience
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Good Quality Mining Rock Bolts - Coupler – Cathay

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We now have our individual sales group, layout team, technical team, QC crew and package group. Now we have strict high-quality control procedures for each procedure. Also, all of our workers are experienced in printing discipline for Fully Thread Screw Steel Bar , Threaded Steel Bar , Prestressed Concrete Steel Strand , We keep on with supplying integration alternatives for customers and hope to create long-term, steady, sincere and mutual advantageous interactions with consumers. We sincerely anticipate your check out.
Good Quality Mining Rock Bolts - Coupler – Cathay Detail:

Couperls was designed to connect Threaded Steel Bars, to increase the length where

projects request.

Material: C45 and 40Cr

sfds


Product detail pictures:

Good Quality Mining Rock Bolts -
 Coupler – Cathay detail pictures

Good Quality Mining Rock Bolts -
 Coupler – Cathay detail pictures

Good Quality Mining Rock Bolts -
 Coupler – Cathay detail pictures


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We have state-of-the-art tools. Our products are exported towards the USA, the UK and so on, enjoying a fantastic reputation amongst customers for Good Quality Mining Rock Bolts - Coupler – Cathay, The product will supply to all over the world, such as: Turkmenistan , Philadelphia , Nigeria , We believe that good business relationships will lead to mutual benefits and improvement for both parties. We've got established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance might be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

continuous threaded bar

Nominal Diameter Diameter H B L Nominal Section Nominal Weight
Dv Dh
mm mm mm mm mm mm mm2 kg/m
15 15 15 1.0 4.5 10 176 1.47
18 18 18 1.0 4.0 10 254.5 2.11
20 20 20 1.3 4.8 10 314 2.47
25 25 25 1.6 6.0 12 490.9 4.10
32 32 32 2.0 7.0 16 804.2 6.65
36 36 36 2.5 8.0 18 1018 8.41
40 40 40 3.0 8.0 20 1256.6 10.34
50 50 50 3.0 9.0 24 1963.5 16.28
60 60 60 3.0 10.0 22 2827 23.26
63.5 63 63.5 3.0 12.0 22 3167 26.20
65 65 65 3.0 12.0 22 3318 27.470
70 70 70 3.0 12.0 22 3848 31.8
75 75 75 3.0 12.0 22 4418 36.9
Grade500/630 NominalDia. CrossSection YieldStrength TensileStrength YieldLoad UltimateLoad Elongation NominalWeight
mm mm2 >=Mpa >=Mpa KN KN A/% KG/m
20 314 500 630 157 198 10 2.47
25 491 500 630 246 309 10 4.1
28 615 500 630 308 387 10 4.83
  • Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Elsa from Mumbai - 2017.06.22 12:49
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Emma from UK - 2017.07.28 15:46