Dimensions & Specification of Couplers

Building Confidence, Link by Link: Unmatched Dimensions, Unrivaled Specifications

Rebar Coupler Dia (mm)	Coupler Outer Dia (mm)	Coupler length (mm)	Weight of Coupler (gram)	Pitch(mm)
Φ40	60 Φ	84 mm	1102g	3.5
Φ32	50 Φ	80 mm	725g	3.0
Φ25	40 Φ	60 mm	355g	3.0
Φ20	32 Φ	50 mm	195g	2.5
Φ16	25 Φ	40 mm	90g	2.5

C	Si	Mn	S	P
0.46	0.25	0.65	0.029	0.022

Chemical Composition stated above is maximum permissible limit.

Rebar Coupler Dia (mm)	Coupler Outer Dia (mm)	Coupler length (mm)	Weight of Coupler (gram)	Pitch(mm)
Φ20 - 16	Φ32	45 mm	195 g	2.5/2.5
Φ25 - 16	Φ40	50 mm	320 g	3.0/2.5
Φ25 - 20	Φ40	55 mm	370 g	3.0/2.5
Φ32 - 25	Φ50	70 mm	710 g	3.0/3.0
Φ32 - 20	Φ50	65 mm	690 g	3.0/2.5
Φ40 - 32	Φ60	82 mm	1206 g	3.5/3.0

Once the bar ends have been threaded, couplers must be screwed onto them with their plastic cap on the outer end.

SI No	Dia of Rod	Length (mm) Half thread	No of threading
1	16 mm Rod	20 mm	80 Nos
2	20 mm Rod	25 mm	10 Nos
3	25 mm Rod	30 mm	10 Nos
4	32 mm Rod	40 mm	13 Nos
5	40 mm Rod	42 mm	14 Nos

SI No	Dia of Rod	Length (mm) Full thread	No of threading
1	16 mm Rod	40 mm	16 Nos
2	20 mm Rod	50 mm	20 Nos
3	25 mm Rod	60 mm	20 Nos
4	32 mm Rod	80 mm	26 Nos
5	40 mm Rod	84 mm	28 Nos

SM Infratech