Scaffolding Coupler Supplier

Leading Supplier of Scaffolding Coupler

Scaffold couplers, which are used to connect steel pipes when building scaffolds, and connectors between steel pipes and other structures, are widely used in various types of scaffolding projects. There are usually European standards and Japanese standards. EK as China leading scaffolding coupler supplier, focus on introducing European standard scaffold fasteners to meet the use of the following countries, Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

In This Page：

Scaffolding Coupler Types
Aluminum Scaffold Couplers Video
Why Choose EK Scaffolding Couplers
FAQ Of Scaffolding Coupler Products

Scaffolding Couplers Types

According to different sizes

Double	Swivel Coupler
48.3*34	48.3*34	34*34	34*38
48.3*38	48.3*38	38*38	38*42
48.3*42	48.3*42	42*42	42*60
48.3*48.3	48.3*48.3	-	-
48.3*60	48.3*60	60*60	60*76
48.3*76	48.3*76	76*76	86*89
-	48.3*89	89*89	-

Our scaffolding coupler has obtained many international certificates, such as EN 74-1:2005 and EN 74-1:2005 Clause 7.4.3, etc.

Drop Forged Double Coupler

In test (Slipping Force)
In test (Failure Force)

Summary of Results:

No.	Test Item	Test Method
1	Slipping Force	EN 74-1:2005
2	Failure Force	EN 74-1:2005

Test Results:

Test Clause	Test Item	Test Requirement	Test Result	Conclusion
7.2.1	Slipping force	△1≤7mm, Fs,5%≥10.0kN	△1=7mm, Fs,5%=15.88kN	Pass
7.2.1	Slipping force	1mm≤△2≤2mm, Fs,5% ≥15.0kN	1mm≤△2≤2mm, Fs,5%=15.91kN	Pass
7.2.2	Failure force	Ff,5%/γR2 ≥30.0kN	Ff,5%/γR2=50.63kN	Pass

Drop Forged Swivel Coupler Class “B”

Under normal circumstances, it is difficult to reach B grade, but we reached

In test (Slipping Force)
In test (Failure Force)

Summary of Results:

No.	Test Item	Test Method
1	Slipping Force	EN 74-1:2005
2	Failure Force	EN 74-1:2005

Test Results:

Test Clause	Test Item	Test Requirement (Swivel coupler, Class B)	Test Result	Conclusion
7.2.1	Slipping force	△1≤7mm, Fs,5%≥10.0kN	△1≤7mm, Fs,5%=10.6kN	Pass
7.2.1	Slipping force	1mm≤△2≤2mm, Fs,5% ≥15.0kN	Fs=30kN, △2˂1mm	Pass
7.2.2	Failure force	Ff,5%/γR2 ≥20.0kN	Ff,5%/γR2=24.4kN	Pass

Pressed Sleeve Coupler

In test
After test

Summary of Results:

No.	Test Item	Test Method
1	Bending Moment Resistance	EN 74-1:2005 Clause 7.4.3
2	Slipping Force	EN 74-1:2005 Clause 7.2.1

Test Results:

Test Item

Test Requirement

(Sleeve coupler, Class B)

Conclusion

Bending Moment Resistance

△4=5mm, Mb,5% =1.43kNm

△4=5mm, Mb,5% ≥1.4kNm

Pass

Putlog / Wrapover Coupler

In test
After test

Summary of Results:

No.	Test Item	Test Method
1	Slipping Resistance	BS 1139-2.2:2009+A1:2015 Clause 7 & Annex A.2

Test Results:

Test Item	Test Requirement	Test Result	Conclusion
Slipping Resistance	1mm≤△2≤2mm, Fs,5% =1.83kN	1mm≤△2≤2mm, Fs,5% ≥1.04kN	Pass

Girder / Gravlock Coupler

In test (Strength test)
In test (Slip test along tube)
In test (Slip test along tube a flange)

Summary of Results:

No.	Test Item	Test Method
1	Strength test	AS/NZS 1576.2:2016 Appendix L
2	Slip test along tube	AS/NZS 1576.2:2016 Appendix M
3	Slip test along tube a flange	AS/NZS 1576.2:2016 Appendix N

Test Results:

Test Clause	Test Item	Test Requirement	Test Result	Conclusion
Appendix L	Strength test	P=30.0kN, neither flange clamp shall show any permanent set	P=30.0kN, neither flange clamp showed any permanent set	Pass
Appendix M	Slip test along tube	P=12.5kN, Slippage ≤ 6mm	P=12.5kN, Slippage<6mm	Pass
Appendix N	Slip test along tube a flange	P=12.5kN, Slippage ≤ 6mm	P=12.5kN, Slippage<6mm	Pass

Board Retaining Clamp

In test
After test

Summary of Results:

No.	Test Item	Test Method
1	Failure Force	With Reference to EN 74-1:2005

Test Results:

Test Item	Test Result
Test Item	1#	3#	3#	4#	5#	Fp,5%/γR2
Failure Force(kN)	42.84	38.89	43.60	42.91	40.79	29.8

Right Angle Coupler

Swivel Coupler

Parallel Coupler

Sleeve Coupler Sketch

1/2" T Bolt,1/2" Wing NUT,1/2"SF23 H19 and 1/2" SF23 H14

Width across flats for hexagon nut, And Using Countries
Width	21	United Kingdom and the Commonwealth of Nations
Width	22	USA, Germany and some Eurupean countries
Width	23	Australia
Width	19	Japan, South Korea and some Southeast Asian countries

	Bolt Dia.	Width across flats	Height	Width across flats	Height	Width across flats	Height
Hexagon Nut	1/2"	S21	H11	S22	H11	S23	H11
		SF21	H14	SF22	H14	SF23	H14
		SF21	H19	SF22	H19	SF23	H119
		S21	H15
	M14	S22	H11	S23	H11
		SF22	H14	SF23	H14
		SF22	H19	SF23	H119
	M12	SF19	H9
Wing Nut	1/2

	Dia.	Effective length / Bolt length	Use
T-Bolt	1/2	75-88	United Kingdom and the Commonwealth of Nations
	M14	75-87	USA, Germany and some Eurupean countries
	M14	98-110	USA, Germany and some Eurupean countries
Eye Bolt	1/2	67-86	United Kingdom and the Commonwealth of Nations
	M12	57-73	United Kingdom and the Commonwealth of Nations
	M14	70-90	USA, Germany and some Eurupean countries
Spliting End Bolt	1/2	45-82	For Putlog coupler, BRC, etc.
Carriage Bolt	1/2	116-125	For tube external clamp, universal clamp, etc.
Carriage Bolt	1/2	85-92	For tube external clamp, universal clamp, etc.
Hexagon Bolt	M16	72-80	For Girder Coupler, DF Joint Pin
Flat T-Bolt	1/2	66-76	For Italian couplers

	Thickness	Inner / Outer Dia.
Washer	3.5	13-26
Washer	5	13-26

According to the design style of different countries,British type, American type, German type, Italian type, Japanese, Korean type, etc.

British type：

American type:

German type：

Italian type：

Japanese, Korean type

Forged scaffolding couplers：

Pressed couplers：

Casting couplers：

Aluminum Scaffold Couplers Video

EK Scaffolding, as scaffold coupler in China, has advanced production equipment for forged couplers and pressed couplers，
All forged scaffolding coulpers use high-frequency electric furnace to heat different specifications of structural steel to 950-1050 austenite state, after 4000KN one-time forging can improver its organizational structure and mechanical properties, thereby improving the plasticity and mechanical properties of the product.

Aluminum Scaffolding Coupler Brochure

Here is brochure of EK scaffolding coupler products. You can see casting and special shaped coupler, pressed coupler, sleeve scaffold coupler and other realeted scaffold products from this brochure.

Name	Download
Scaffolding Coupler Brochure.pdf	Download

EK scaffolding coupler products brochure

Why choose EK Scaffolding Couplers

EK Scaffolding company is a China scaffolding manufacturer that started with couplers. We have 14 years experience in this scaffold industry. Values of EK Scaffolding are professional service, quality assurance and fast delivery.

world's top coupler brand

World's top OEM coupler factory brand, forge and press scaffold coupler all international types

Large delivery

Over 60 containers per month, port of destination customs clearane, home delivery.

Efficient and convenient

L/C, T/T, D/P, forward payment, By Sea, by rail, road transport, Efficient and convenient.

high-grade accessories

All EK scaffold coupler use high-grade accessories, 8.8-grade high-strength screw.

FAQ Of Scaffolding Coupler Products

What is the delivery time?

It depends on order quantity. Generally, the delivery time will be within 5 to 10 days.
How can we ensure the quality ?

1) Only qualified raw material with certification is acceptable.
2) Quality check is operated by hand.
3) Free scaffolding samples are always available.
4) Once quality problems occur, just sent us pics for confirmation, once confirmed, money or goods will be given as compensation.
What kind of international Certificate do you have?

SGS Test Report.
TUV Test Report
How about the price?

Really competitive ! EK Scaffolding are near the origin of steel and we have big order amount, so we get relatively cheaper price of steel raw material. Low labor cost and near Shanghai sea port are also our advantages. And the most of all, "less profit but big turnover " is our perpetual business principle to be best China scaffolding coupler supplier.
Can your company supply products fully according to customers’ requirements?

EK has a full set of coupler mold design and scaffolding production equipment. As leading scaffolding supplier we have a strong technician team to support. Upon receiving the drawings provided by customers, we will discuss with our technicians to study of new moulds feasibilities of production facilities. If the quantity is considerable, we can fully meet customers’ specifications.
What is the quality of your products?

1.EK strictly follows the stipulations set by EN74/BS1139/EN1065/AS1576 standard.

2.EK Scaffolding has one whole set of quality inspection system starting from the entrance of raw materials and dispatch of finished materials.
What's your MOQ(minimum order quantity)?

No minimum order quantity, multiple production lines are produced at intervals, available at any time.