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Coupler

Coupler bolt adopts alloy steel materials and has super-high anti-corrosion effect. It is suitable for several complex and weak geological conditions.

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Product Details

Specification

Type	Outside Diameter(mm)	Length(mm)	Weight
R25	36	150	0.6
R32L	42	145	0.72
R32N	42	160	0.8
R32S, R32SS	42	190	0.96
R38	52	220	1.8
R51L	63	140	1.26
R51N	63	200	1.9
T30	38	105	0.42
T40-20mm	54	140	1.15
T40-16mm	57	140	1.54
T52	70	160	2.3
T73	95	235	4.3
T76N	95	200	4.3
T76S	97	220	5.35
T103	123	255	7.45