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Knuckle Joints（Material：Steel）

A knuckle joint is a type of pin joint used to join two components that are loaded in tension. One component has a fork with a hole passing through both sides, forming a double eye, while the other component has a single eye. The single eye is inserted between the double eyes so that all three holes are concentric and a pin is used to secure the components. Knuckle joints are often used to connect rods subjected to tension in structures such as roof ties, bridges, and cranes. The links of a chain are also considered a series of knuckle joints. Simplicity means that knuckle joints are easily manufactured while being strong and rigid under tension loads. They’re also easily assembled and disassembled.

Type

Single Notched Knuckle Joints
Double Notched Knuckle Joints
Accessories

22 items

: 30; 45; 60

Knuckle Joint for Air Cylinder CJ2/CM2/CG1/CQ2 Series

SMC

Knuckle joint for air cylinder CJ2/CM2/CG1 series and compact cylinder CQ2 series.

[Please refer to the followings for the catalog]
p. 63, CJ2 series
pp. 189 and 190, CM2 series
pp. 309 and 309-1, CG1 series
p. 796, CQ2 series

Standard Price:	SGD 1.75-
Days to Ship:	31 Day(s) or more

Knuckle Joint for Air Cylinder, MB/MB1/MNB Series

SMC

Knuckle joint for air cylinder MB/MB1/MNB series.

Days to Ship: 31 Day(s) or more
Knuckle Joints - B Selectable

MISUMI

Knuckle Joints equipped with Rotation Stopper and compatible with M3~M18 screws regardless of Convex Type or Concave Type.

CAD ：

2D / 3D

Days to Ship: 8 Day(s)

Days to Ship:	31 Day(s) or more

Days to Ship:	8 Day(s)

Knuckle Joint for Air Cylinder CA2 / CNA2 Series

SMC

Knuckle joint for air cylinder CA2 / CNA2 series.

Standard Price:	SGD 3.03-
Days to Ship:	32 Day(s)

Knuckle Joints − Fixed

MISUMI

Knuckle joints with fixed dimensions. Pins are included as an accessory.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 12.89-
Days to Ship:	4 Day(s) or more

Joint, Brackets for CMK2/CMA2/CKV2 /JSK2/JSM2/SSD/HCA

CKD

Knuckle joint for cylinder CMK2, CMA2, CKV2, JSK2, JSM2, SSD, HCA.

Standard Price:	SGD 19.47-
Days to Ship:	4 Day(s) or more

On Sale Till 30/04/2025

Swivel head, SGS Series Joint

FESTO

Standard Price:	SGD 25.95-
	Special Price
Days to Ship:	Quote

Knuckle Joints - Tapped, Configurable

MISUMI

Knuckle Joints - Tapped, Configurable - equipped with Rotation Stopper and compatible with M3~M26 screws regardless of Convex Type or Concave Type.

CAD ：

2D / 3D

Days to Ship: 6 Day(s) or more
Knuckle Joints - Threaded, Configurable

MISUMI

Knuckle Joints - Threaded, Configurable - equipped with Rotation Stopper and compatible with M3~M26 screws regardless of Convex Type or Concave Type.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

Days to Ship:	6 Day(s) or more

Days to Ship:	8 Day(s) or more

Knuckle Joints - Tool Less

MISUMI

Can be assembled quickly and is excellent in maintainability.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 16.67-
Days to Ship:	6 Day(s) or more

Knuckle Joints - Extra Short

MISUMI

Can be utilized by combining T-shaped/U-shaped Knuckle Joints for space saving.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 43.29-
Days to Ship:	6 Day(s) or more

Tool Pile Knuckle Joint Used for CMK2-CMA2-CKV2-JSK2-JSM2-HCA

CKD

[Features]
· CKD, CMK2, CMA2, CKV2, JSK2, JSM2, HCA single clevis knuckle usage

Standard Price:	SGD 19.32
Days to Ship:	4 Day(s) or more

Double knuckle Joint for CMK2/CMA2/CKV2/JSK2/JSM2/HCA Brackets

CKD

Double notched knuckle for cylinder CMK2, CMA2, CKV2, JSK2, JSM2, HCA. Pin and washer split pin are attached.

Standard Price:	SGD 23.12
Days to Ship:	4 Day(s) or more

Single Knuckle Joint for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets

CKD

Double notched knuckle for SCM. Pins and retaining rings are attached.

Standard Price:	SGD 19.44
Days to Ship:	4 Day(s) or more

Fittings for CMK2/CMA2/CKV2/JSK2/JSM2, Double Knuckle Joint

CKD

Double notched knuckle for cylinder CMK2, CMA2, CKV2, JSK2, JSM2. Pins and retaining rings are attached.

Standard Price:	SGD 24.12
Days to Ship:	4 Day(s) or more

Double Knuckle Joint Pin for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets

CKD

Double notched knuckle for SSD. Pin (including ring) is attached.

Standard Price:	SGD 9.81-
Days to Ship:	4 Day(s) or more

Single Knuckle Joint for SCM Brackets

CKD

Single clevis knuckle for CMK2, CMA2, CKV2, JSK2, JSM2.

Standard Price:	SGD 15.54-
Days to Ship:	4 Day(s) or more

Double Notched Knuckle Joint for SCM

CKD

Double notched knuckle for SCA2, JSC3, USC, HCA. Pins and retaining rings are attached.

Standard Price:	SGD 19.14-
Days to Ship:	4 Day(s) or more

Fittings for SCP※2, Single Knuckle Joint

CKD

Cylinder SCP * Single knuckle for 2. [Materials]Steel, "Mounting method" Female thread

Standard Price:	SGD 14.96
Days to Ship:	4 Day(s) or more

SCP *2 Bracket Double Knuckle Joint

CKD

Double notched knuckle for cylinder SCP*2. Pins and retaining rings are attached.

Standard Price:	SGD 17.06
Days to Ship:	4 Day(s) or more

Fittings for SSD/SCP※2, Single Knuckle Joint

CKD

Single clevis knuckle for cylinder SSD, SCP*2.

Standard Price:	SGD 10.21
Days to Ship:	4 Day(s) or more

Knuckle Joint for Pin Cylinder CJP2 Series

SMC

[Features]·Knuckle joint for Pin Cylinder CJP2 Series.

Standard Price:	SGD 6.42-
Days to Ship:	32 Day(s)


Brand
Product Series
CAD
Days to Ship
Mounting Method
Thread Size M(mm)
Type
Thread Pitch(mm)
Material
Accessories Included

							On Sale Till 30/04/2025
Brand	SMC	SMC	MISUMI	SMC	MISUMI	CKD	FESTO	MISUMI	MISUMI	MISUMI	MISUMI	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	SMC
Product Series	Knuckle Joint for Air Cylinder CJ2/CM2/CG1/CQ2 Series	Knuckle Joint for Air Cylinder, MB/MB1/MNB Series	Knuckle Joints - B Selectable	Knuckle Joint for Air Cylinder CA2 / CNA2 Series	Knuckle Joints − Fixed	Joint, Brackets for CMK2/CMA2/CKV2 /JSK2/JSM2/SSD/HCA	Swivel head, SGS Series Joint	Knuckle Joints - Tapped, Configurable	Knuckle Joints - Threaded, Configurable	Knuckle Joints - Tool Less	Knuckle Joints - Extra Short	Tool Pile Knuckle Joint Used for CMK2-CMA2-CKV2-JSK2-JSM2-HCA	Double knuckle Joint for CMK2/CMA2/CKV2/JSK2/JSM2/HCA Brackets	Single Knuckle Joint for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets	Fittings for CMK2/CMA2/CKV2/JSK2/JSM2, Double Knuckle Joint	Double Knuckle Joint Pin for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets	Single Knuckle Joint for SCM Brackets	Double Notched Knuckle Joint for SCM	Fittings for SCP※2, Single Knuckle Joint	SCP *2 Bracket Double Knuckle Joint	Fittings for SSD/SCP※2, Single Knuckle Joint	Knuckle Joint for Pin Cylinder CJP2 Series
CAD			2D / 3D		2D / 3D			2D / 3D	2D / 3D	2D / 3D	2D / 3D
Days to Ship	31 Day(s) or more	31 Day(s) or more	8 Day(s)	32 Day(s)	4 Day(s) or more	4 Day(s) or more	Quote	6 Day(s) or more	8 Day(s) or more	6 Day(s) or more	6 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	32 Day(s)
Mounting Method	Tapped	Tapped	Tapped	Tapped	-	Tapped	-	Tapped	Threaded	-	-	Tapped	-	Tapped	-	-	Tapped	Tapped	Tapped	-	Tapped	Tapped
Thread Size M(mm)	4 ～ 14	10 ～ 27	M3 ～ M18	14 ～ 26	M3 ～ M10	M10	-	M3 ～ M26	M3 ～ M20	M4 ～ M10	M3 ～ M18	M8	M8	M12	M12	-	M8 ～ M10	M8 ～ M10	M4	M4	M5	3 ～ 5
Type	Single Notched Knuckle Joints / Double Notched Knuckle Joints / Accessories	Single Notched Knuckle Joints / Double Notched Knuckle Joints / Accessories	Single Notched Knuckle Joints / Double Notched Knuckle Joints	Single Notched Knuckle Joints / Accessories	Single Notched Knuckle Joints / Double Notched Knuckle Joints	Single Notched Knuckle Joints / Double Notched Knuckle Joints	-	Single Notched Knuckle Joints / Double Notched Knuckle Joints	Single Notched Knuckle Joints / Double Notched Knuckle Joints	Double Notched Knuckle Joints	Single Notched Knuckle Joints	Single Notched Knuckle Joints	Double Notched Knuckle Joints	Single Notched Knuckle Joints	Double Notched Knuckle Joints	Accessories	Single Notched Knuckle Joints	Double Notched Knuckle Joints	Single Notched Knuckle Joints	Double Notched Knuckle Joints	Single Notched Knuckle Joints	Single Notched Knuckle Joints / Double Notched Knuckle Joints
Thread Pitch(mm)	0.7 ～ 1.5	1.25 ～ 2	0.5 ～ 1.5	1.5	0.5 ～ 1.25	1.25	-	0.5 ～ 1.5	0.5 ～ 2.5	-	0.5 ～ 1.5	1	1	1.5	1.5	-	1.25	1.25	-	-	-	0.5 ～ 0.8
Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Accessories Included	Included / Not Included	Included / Not Included	Not Included	Included / Not Included	Included	Not Included	-	Not Included	Not Included	Not Included	Not Included	Not Included	Included	Included	Included	Included	Not Included	Included	Not Included	Included	Not Included	Included / Not Included

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Knuckle Joints（Material：Steel）

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Configure

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Mounting Method

Thread Size M(mm)

Thread Pitch(mm)

Material

Accessories Included

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