Good Quality Mining Rock Bolts - Coupler – Cathay

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"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for Reinforcing Steel High Tensile Steel Bars , M25 Hex Nut , Anchor Plates , Quality is factory' life , Focus on customer' demand is the source of company survival and development, We adhere to honesty and good faith working attitude, looking forward to your coming !

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

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"Control the quality by the details, show the power by quality". Our enterprise has strived to establish a remarkably efficient and stable team team and explored an effective excellent control system for Good Quality Mining Rock Bolts - Coupler – Cathay, The product will supply to all over the world, such as: Danish , Uzbekistan , Romania , We have a dedicated and aggressive sales team, and many branches, catering to our main customers. We are looking for long-term business partnerships, and ensure our suppliers that they will definitely benefit in both short and long run.

continuous threaded bar

Nominal Diameter	Diameter		H	B	L	Nominal Section	Nominal Weight
Nominal Diameter	Dv	Dh	H	B	L	Nominal Section	Nominal Weight
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