Hinge pins / stainless steel, steel / double-sided ring groove / incl. circlip (CDG3-14)

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MISUMI

Product Details:

Manufacturer part number: CDG3-14

Brand: MISUMI

Price: 1.96 €

Delivery time: 4 Days

Technical Data:

[D] Shaft Diameter: 3 mm

Material: Steel

Hardness: Not Specified

Surface Treatment: Black Oxide

Material Detail: EN 1.1191 Equiv.

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CDG3-14

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Back to the Category Hinge Pin

Technical Drawing - Hinge Pins / Pivot Pins

Precision Pivot Pins/Straight/Retaining Rings:Related Image

Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Hinge Pins / Pivot Pins

Type		Material	Hardness	Surface Treatment	Accessory
L Dimension Selectable	L Dimension Configurable
CDG	CCG	EN 1.1191 Equiv. L Dimension Selectable Type is EN 1.1191 Equiv.	-	Black Oxide	Retaining Ring 2 pcs.	Spring Steel
CDGH	CCGH		40~45HRC
-	PCCG		-	Electroless Nickel Plating		EN 1.4301 Equiv.
-	PCCGH		40~45HRC
-	GCCG	EN 1.1191 Equiv.	Plating Hardness 750HV~	Hard Chrome Plating		Spring Steel
SCDG	SCCG	EN 1.4301 Equiv.	-	-		EN 1.4301 Equiv.
-	SCCGH	EN 1.4125 Equiv.	45~50HRC
-	GSCCGH		45~50HRC Plating Hardness 750HV~	Hard Chrome Plating		EN 1.4301 Equiv.

Further specifications can be found under the tab More Information.

Composition of a Product Code - Hinge Pins / Pivot Pins

Part Number	-	L
CDG8 CCG15	- -	30 120.3

Alterations - Hinge Pins / Pivot Pins

General Information - Hinge Pins / Pivot Pins

Hinge Bolt Selection Details

- Material: steel, stainless steel
- Coatings: untreated, burnished, nickel-plated, hard chrome-plated
- ISO tolerances: g6, m6, p6, h7, f8, c9
- Outer diameter: 2 mm to 30 mm
- Length: 5 mm to 200 mm
- End forms: external thread, internal thread, flat surface, hexagon socket, shoulder, flattened shoulder, retaining ring groove, cross holes for cotter pin, spring groove, V-groove

Description/Basics

Hinge bolts for mechanical engineering serve as a movable connecting element and pivot point between two assembly parts. Therefore, knuckle pins enable assembly parts to pivot, similar to a hinge. Furthermore, a hinge pin enables the connection of assembly parts in movable mechanisms, in which they can also serve for example as angular compensation in addition to their connecting function.

Application example: hinge bolts with retaining ring – (1) hinge base, (2) plug-in bolts with retaining ring, (3) link

In the case of knuckle pin connections, there should be play between the plug-in bolt and the receptacle (bore hole, eyelet, etc.) on the attachment parts in order to ensure smooth rotation. The clearance should be selected depending on the application and load. The most common tolerance is an H7 hole in conjunction with a g6 hinge pin, which is selected for most applications. In addition to tolerance g6, MISUMI also offers knuckle pins in tolerances m6, p6, h7, f8, c9 (type KCL). By selecting the tolerance of the plug-in bolt, the required clearance can be adapted to the respective requirement without having to change the tolerance of the bore hole/eyelets.

Bolts exposed to high motion cycles are subject to increased wear, which can be higher depending on the load applied. Due to abrasion, the play between the hinge bolt and the bore hole/eyelet can increase and lead to inaccuracies in the application.
MISUMI offers hinge bolts with hard chrome plating for particularly high stress. This knuckle pin surface treatment has a high surface hardness and thus a high wear resistance, which ensures an increased durability and requires less maintenance.

MISUMI offers various fasting options for retaining pins.
Hinge bolts with a flat surface on both sides are firmly connected to the hinge base via a set screw. Due to this rigid connection, the hinge pin is not mounted in a rotating manner, which specifically prevents wear on the hinge base.

Application example: hinge bolts with flat surfaces - (1) link, (2) plug-in bolts with flat surfaces, (3) hinge base

Bolts with cotter pins are suitable for applications that require a simple replacement of the parts. The very easy-to-lock cotter pins enable quick assembly and disassembly of the hinge bearing, hinge base or cotter pin by means of one or two cotter pins.
Care should be taken to ensure that no strong axial movements and forces occur when using a bolt with cotter pins. If strong forces are applied to the cotter pin, they can shear off and the cotter pins can detach from the connection.

Application example: cotter pins – (1) knuckle joint, (2) hinge base, (3) cotter pin bolts

A commonly used version of the knuckle pins are hinge bolts with retaining ring. This type of connection can be used in almost any application and is typically only loosened after assembly for maintenance purposes.
MISUMI offers the hinge bolts with retaining ring groove with up to four retaining ring grooves. The diameter of our plug-in bolts are selectable and can be configured in length. Therefore, they can be adjusted to your individual needs.

Application example: hinge bolt with retaining ring - (1) mounting plate, (2) roller bearing, (3) knuckle pin with retaining ring, (4) retaining ring

Hinge bolts with head, also called bolts with head or plug-in bolts with shoulder, have the advantage that there is no need for a lock on the side of the head. The head serves as a stop for the plug-in bolt, which can be fitted with a hexagon socket or wrench flat as a drive.
However, the bolts with head can only be assembled and disassembled from one side. This characteristic must be observed during construction and maintenance.
With MISUMI, the shoulder thickness of the hinge bolt can be configured in 0.5 mm increments using the [TC] option. With the option [HC], a flat surface can be attached to the shoulder, which can serve as an anti-rotation device.

Drawing: bolts with head

If a particularly high level of roundness is required, rotary shafts can be used. MISUMI rotary shafts have a roundness of ~ 0.007 to 0.004.

Function

Hinge bolts, also known as knuckle pins, belong to the group of machine and fastening elements. As the centre of a rotating joint, they generally connect two components via eyelets. Hinge bolts can be used among other things to attach doors, windows and flaps in a movable manner. This requires play between the hinge pin and the eyelet, which in most cases is constructed from the combination of an H7 bore hole and a g6 knuckle pin.

Areas of Application

MISUMI hinge bolts and plug-in bolts are indispensable for mechanical engineering and plant engineering, since hinge bolts allow a movable connection used in many applications.
Hinge bolts can be used for hinge mechanisms as in a typical hinge for windows, valves in industrial systems and doors of electrical up to a movable connection elements for links and knuckle joints.
Through our wide selection of end shapes, MISUMI knuckle pins offer versatile applications across various industries.

Materials

MISUMI socket pins are available in steel and stainless steel. As an option, our hinge bolts and socket pins are also available hardened. colour variations may occur with hardened hinge bolts.

Coatings

MISUMI hinge bolts are available in untreated, burnished, nickel-plated and hard chrome-plated versions to protect them from corrosion and wear.
The hard chrome plating offers knuckle pins a high surface hardness and thus a high wear resistance. Plug-in bolts with hard chrome plating help to achieve a high durability and reduced maintenance effort.

Dimensions

Head shapes

Shoulder

Shoulder with spanner flat

Hexagon socket

Straight

Instructions for Use / Installation Information - Hinge Pins / Pivot Pins

Installation Information

Hinge bolts can be secured against loss in different ways. At MISUMI, you will find a variety of different knuckle pins.

Straight

Cotter pin holes

Retaining ring groove

V-groove

External thread

Internal thread

Spring groove

Flat surface

Maintenance

Lubrication
Hinge bolts should be lubricated at regular intervals to prevent wear and to ensure smooth operation. For stroke or folding mechanisms, a long-term grease can be used for the plug-in bolts, as the movements are generally slow. Graphite oil or graphite spray can be used for flaps and doors, as this ensures good long-term lubrication even under high loads. In addition, this type of lubrication is often used with maintenance-free plain bearing bushings. Hinge bolts can also be combined with maintenance-free plain bearing bushings to extend the maintenance intervals.

Application Examples - Hinge Pins / Pivot Pins

Application example for hinge bolts
(1) Knuckle joint, (2) Plug-in bolts, (3) Hinge base

Application example for hinge bolts
(1) Hinge bolt, (2) Link, (3) Air cylinder, (4) Knuckle joint

Application example: hinge bolts with retaining ring
(1) Bolts with retaining ring, (2) Hinge base, (3) Link

Application example for hinge bolts
(1) Air cylinder, (2) Hinge bolt, (3) Hinge base

Supplementary Article

Hinge base

Hinged arms

Rod end bearings, spherical bearing

Plain bearing bushings

Rotary shafts

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
CDG3-14

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	[D] Shaft Diameter (mm)	Material	Hardness	Surface Treatment	Material Detail	Type	L Dimension (mm)
	1.96 €	1	Available	4 Days	10	3	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	14

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Technical Drawing - Hinge Pins / Pivot Pins

Specification Tables - Hinge Pins / Pivot Pins

D Tolerance (g6)
2, 3	-0.002 -0.008
4~6	-0.004 -0.012
8, 10	-0.005 -0.014
12~18	-0.006 -0.017
20~25	-0.007 -0.020

■ L Dimension Selectable

Part Number		L Selection															m		N	d		Included Retaining Ring		Unit Price
Type	D																	Tolerance			Tolerance	Shape	JIS Nominal*	CDG	CDGH	SCDG
CDG CDGH (Hardened) SCDG (Stainless Steel)	3	10	12	14	15	16	18	20	22	24	25	30					0.5	+ 0.05 0	2	2	+ 0.06 0	E Type	No. 2
	4																0.7	+ 0.1 0		3			No. 3
	5																			4	+ 0.075 0		No. 4
	6				15	16	18	20	22	24	25	30	35	40	45	50				5			No. 5
	8																0.9		3	7	+ 0.09 0		No. 7
	10						18	20	22	24	25	30	35	40	45	50	1.15	+ 0.14 0		9.6	0 - 0.09	C Type	No.10
	12								22	24	25	30	35	40	45	50			4	11.5	0 - 0.11		No.12

* For details, see P.2303.

■ L Dimension Configurable Type (0.1mm Increment)

Part Number		L=0.1mm Increment	m		N	d		Included Retaining Ring		Unit Price
Type	D	L=0.1mm Increment		Tolerance	N		Tolerance	Shape	JIS Nominal*	CCG	CCGH	PCCG	PCCGH	GCCG	SCCG	SCCGH	GSCCGH
CCG CCGH PCCG PCCGH GCCG SCCG SCCGH GSCCGH	2	5.0~30.0	0.5	+ 0.05 0	2	1.5	+ 0.06 0	E Type	No. 1.5
	3	5.0~50.0	0.5	+ 0.05 0		2			No. 2
	4	5.0~50.0	0.7	+ 0.1 0		3			No. 3
	5	10.0~60.0				4	+ 0.075 0		No. 4
	6	10.0~100.0				5	+ 0.075 0		No. 5
	8	10.0~100.0	0.9		3	7	+ 0.09 0		No. 7
	10	15.0~100.0	1.15	+ 0.14 0	3	9.6	0 - 0.09	C Type	No.10
	12	15.0~200.0			4	11.5	0 - 0.11		No.12
	13	25.0~200.0				12.4			No.13
	14					13.4			No.14
	15					14.3			No.15
	16	30.0~200.0				15.2			No.16
	17					16.2			No.17
	18		1.35			17			No.18
	20					19	0 - 0.21		No.20
	22					21			No.22
	25					23.9			No.25

* For details, see P.2303. SCCGH and GSCCGH may be discolored by hardening.

Alterations - Hinge Pins / Pivot Pins

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Basic information

Basic Shape	Straight	Mounting Method	Retaining Ring

This page is Hinge pins / stainless steel, steel / double-sided ring groove / incl. circlip, part number CDG3-14.
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Basic Attributes

Type
- CCG
- CCGH
- CDG
- CDGH
- GCCG
- GSCCGH
- PCCG
- PCCGH
- SCCG
- SCCGH
- SCDG
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[D] Shaft Diameter(mm)
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8

10

12

13

14

15

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18

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22

25
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Material
- Steel
- Stainless Steel
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Hardness
- Not Specified
- Hardness Spec-designed
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Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Hard Chrome Plating
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Material Detail
- EN 1.1191 Equiv.
- EN 1.4125 Equiv.
- EN 1.4301 Equiv. (Equivalent)
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Type
- L Dimension Configurable
- L Dimension Fixed
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L Dimension(mm)
10

12

14

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16

18

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22

24

25

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45

50
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The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
CDG10-24
CDG10-25
CDG10-30
CDG3-15
CDG3-16
CDG3-18

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	[D] Shaft Diameter (mm)	Material	Hardness	Surface Treatment	Material Detail	Type	L Dimension (mm)
4.25 €	1	Available	5 Days	10	10	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	24
4.25 €	1	Available	4 Days	10	10	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	25
4.25 €	1	Available	4 Days	10	10	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	30
1.96 €	1		4 Days	10	3	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	15
1.96 €	1	Available	4 Days	10	3	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	16
1.96 €	1	Available	4 Days	10	3	Steel	Not Specified	Black Oxide	EN 1.1191 Equiv.	L Dimension Fixed	18