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WATER STOPS	EXPANSION JOINTS BOARDS	SCAFFOLDING MATERIALS (SHUTTERING MATERIALS)
NAIL CHILLERS

SCAFFOLDING MATERIALS (SHUTTERING MATERIALS)

SCAFFOLD TUBES -SPECIFICATIONS
TABLE - A
N.B. & Series	Wall Thickness	Outside Dia.	Nominal Wt. Black Tubes	Nominal Wt. Galvanised Tubes
N.B. & Series	Wall Thickness	Outside Dia.	Plain End	Plain End
mm	mm	mm	Kg/m	Kg/m
20L	2.35	26.90	1.42	1.47
M	2.65		1.58	1.64
H	3.25		1.90	1.96
32L	2.65	42.40	2.61	2.69
M	3.25		3.15	3.24
H	4.05		3.86	3.94
40L	2.90	48.30	3.27	3.37
M	3.25		3.61	3.73
H	4.05		4.43	4.55
50L1	2.90	60.30	4.14	4.26
50L2	3.25		4.57	4.71
M	3.65		5.10	5.25
H	4.50		6.17	6.32

Some of our Principles

TABLE - B
a) National Standards
i.	IS : 1161/1979	Grade YST-210 and 240
ii.	IS : 1239/1979	For structural & scaffold purposes

b) Overseas Standards
	British	Grade 40-C & 50-C
i.	BS : 1139	For structural & scaffold purposes
ii.	BS : 1775/1964

TOLERANCE
i.	Outside diameter	+0.4 mm
	Upto & including 48.3 mm	-0.8 mm
	Over 48.3 mm	(+)(-)1%
ii.	Thickness	+Not Limited
		- 10% for M
		- 8% for L
iii.	Weight	+10%
	- Single Tube	- 10% for M
		- 8% for L

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PRESSED DOUBLE COUPLER

For joining 40mm NB tubes at 90 deg. to other tubes, ledgers or props. The coupler is made of drawn pressed steel with captive nuts and bolts, all duly electro-galvanised / painted.

SIZE : 48.3 X 48.3mm O.D. & 48.30 X 60.30mm O.D.

PRESSED DOUBLE COUPLER

For connecting 40mm tubes at any angle to other tubes, ledgers or prop for diagonal bracing.The coupler is made of drawn pressed steel with captive nuts and bolts and swivel rivet, all duly electro-galvanised / painted.

SIZE : 48.3 X 48.3mm O.D. & 48.30 X 60.30mm O.D.

ADJUSTABLE BASE OR HEAD PLATE

Available in solid & hollow design with various adjustments from 75mm to 660mm with malleable/ cast iron nuts.

Finish : Painted or Electro galvanised.

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ADJUSTABLE FORKHEAD

Available in solid & hollow design with various adjustment from 75mm to 660mm with malleable/cast iron nuts. To accept steel or timber runners at top of scaffold verticals.

Finish : Painted or Electro galvanised.