Good Quality Mining Rock Bolts - Coupler – Cathay

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We emphasize progress and introduce new solutions into the market each year for Steel Bar For Prestressed Concrete, Slotted Nut, Reinforcing Steel High Tensile Steel Bars, Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !

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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Reliable good quality and very good credit standing are our principles, which will help us at a top-ranking position. Adhering to your tenet of "quality 1st, purchaser supreme" for Good Quality Mining Rock Bolts - Coupler – Cathay, The product will supply to all over the world, such as: Dominica, Mozambique, Dubai, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.

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