Plastic washers / with countersunk hole / POM / MC Nylon / Bakelite / PEEK / GFK (Part Numbers - CAD Download)

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Resin collars that hide the bolt heads.

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Back to the Category Plastic Washers/Plastic Sleeves

Technical Drawing - Plastic Washers

Resin Collars/Counterbored/POM/MC/Nylon/Bakelite/PEEK/Epoxy Glass:Related Image

[ ! ]Chamfering: C0.5 or less
[ ! ]When D ≥ 30 forWZJB, FWZJB, WZJN, FWZJN and FWZJE, the D dimension tolerance will be 0/-0.3.

Open the technical drawing in the new window

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

Basic Properties (e.g., material, hardness, coating, tolerance) - Plastic Washers

Standard	Dimension Configurable	Material		Color
WZJJ	FWZJJ	Polyacetal		White
-	FWZJK	Polyacetal		Black
WZJM	FWZJM	MC Nylon Standard Grade		Blue
-	FWZJW	MC Nylon Standard Grade		Ivory
WZJD	FWZJD	MC Nylon Conductive Grade	CDR2	Black
-	FWZJT	MC Nylon Conductive Grade	CDR6	Black
WZJB	FWZJB	Bakelite	Paper Base	Natural Color
WZJN	FWZJN	Bakelite	Cloth Base	Natural Color
-	FWZJF	Fluororesin		White
-	FWZJP	PEEK		Gray
-	FWZJE	Epoxy Glass		Green

Material Properties >> P.141

Further specifications can be found under the tab More information.

Composition of a Product Code - Plastic Washers

Part Number	-	T
WZJB15	-	12

Part Number	-	D	-	V	-	P	-	H	-	T
FWZJJ	-	D25	-	V10.5	-	P6.5	-	H5.0	-	T15.5

Alterations - Plastic Washers

General Information - Plastic Washers

Selection details of plastic washers/plastic sleeves

- Material: MC-nylon, polyacetal (POM), Bakelit, epoxy glass, polyether ether ketone (PEEK), fluoroplastic, polyslider, ceramic, polycarbonate (PC), polyamide (PA), polytetrafluoroethylene (PTFE), Duracon, Duranex, ABS, glass (lime-sodium glass)

- Outer diameter: 2 to 100 mm

- Inner diameter: 1 to 90 mm

- Thickness, length: 0.1 to 500 mm

- Forms: cylindrical, with collar, with pins, with countersunk bore, with guide, square washers

Description/Basics of plastic washers/plastic sleeves

Sleeves in general, are among the most commonly used machine elements to create a distance between two components. Plastic sleeves and ceramic sleeves offer added value compared to conventional metal collars.

Plastic sleeves and plastic sleeves with a collar have some advantages over their metallic counterparts. In addition to creating and maintaining a distance, they also have an insulating effect. The insulation effect refers to thermal insulation or electrical insulation depending on the material. In addition, their similarity to natural materials is greater than with metal sleeves. As a result, plastic washers and plastic sleeves (depending on the material) expand to the same extent under the influence of heat, such as wood or similar soft materials.

Plastic washers, as well as washers, enable an increase in surface compression. However, their resistance to pressure loads is lower depending on the material selected than that of a similarly large metal washer. For this purpose, the advantage of thermal and electrical insulation effects exists in plastic washers.

MISUMI also offers plastic washers and plastic sleeves with gliding properties. For example, washers and sleeves made of fluoroplastics are suitable for reducing friction resistances in hinge constructions. It should be noted that plastic sleeves do not replace plain bearings.

Polyether ether ketone (PEEK) has excellent thermal insulating properties. Depending on the strength and material composition, PEEK has a melting point of up to 300°C. It is therefore suitable, among other things, for insulating heating and cooling lines, for example. Due to the quality of the surface, the material has particularly good adhesive properties.

Polyacetal, also called POM, is characterized by its very good machinability and excellent mechanical properties. Polyacetal (POM) products are widely used in various branches of mechanical engineering.

At MISUMI you will find washers and sleeves made of various variants of MC Nylon. In addition to the standard version, a conductive and antistatic type is also offered. Thus, MC Nylon can be used in a wide variety of applications.

The different versions and shapes of the plastic washers and plastic sleeves allow utilising them in a wide variety of applications. Thus, plastic washers can be used, for example, as bearing mountings up to the assembly of printed circuit boards.

Application Examples

Plastic sleeve as thermally insulating spacer sleeve
(1) Plastic sleeves, (2) Cylindrical plastic sleeve, (3) Plastic washer, (4) Hexagon socket screws, (5) Washer, (6) Hexagon nut

Plastic sleeve as bearing ring
(1) Plastic sleeve with guide, (2) Rotary shaft, (3) Timing pulley, (4) Ball bearing (5) Bearing with housing, (6) Drive wheel

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Data to be displayed: 30; 45; 60

Part Number
WZJB40-[15,20]
WZJB50-[15,20]
WZJB60-[15,20]
WZJD10-[6,8]
WZJD12-[8,10]
WZJD14-[8,10]
WZJD15-[10,12]
WZJD20-[10,12,15]
WZJD30-[12,15]
WZJD40-[15,20]
WZJD50-[15,20]
WZJD60-[15,20]
WZJJ10-[6,8]
WZJJ12-[8,10]
WZJJ14-[8,10]
WZJJ15-[10,12]
WZJJ20-[10,12,15]
WZJJ30-[12,15]
WZJJ40-[15,20]
WZJJ50-[15,20]
WZJJ60-[15,20]
WZJM10-[6,8]
WZJM12-[8,10]
WZJM14-[8,10]
WZJM15-[10,12]
WZJM20-[10,12,15]
WZJM30-[12,15]
WZJM40-[15,20]
WZJM50-[15,20]
WZJM60-[15,20]
WZJN10-[6,8]
WZJN12-[8,10]
WZJN14-[8,10]
WZJN15-[10,12]
WZJN20-[10,12,15]
WZJN30-[12,15]
WZJN40-[15,20]
WZJN50-[15,20]
WZJN60-[15,20]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Outer Diameter (mm)	Internal Diameter (mm)	Thickness and length	Material	Material Detail	Dimension Selecting Method	Counterbored Hole Dia. V (Ø)	Counterbored Hole Depth H (mm)	Tapping Coarse Thread Dia. Selection [PM] (mm)	Tapping Fine Thread Dia. Selection [PMA] (mm)
-	1	6 Days	10	40	-	15 ～ 20	Bakelite	Bakelite (Paper Type)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	50	-	15 ～ 20	Bakelite	Bakelite (Paper Type)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	60	-	15 ～ 20	Bakelite	Bakelite (Paper Type)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	10	-	6 ～ 8	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	6	4	-	-
-	1	6 Days	10	12	-	8 ～ 10	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	8	5	-	-
-	1	6 Days	10	14	-	8 ～ 10	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	10	6	-	-
-	1	6 Days	10	15	-	10 ～ 12	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	11	8	-	-
-	1	6 Days	10	20	-	10 ～ 15	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	11	8	-	-
-	1	6 Days	10	30	-	12 ～ 15	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	14	10	-	-
-	1	6 Days	10	40	-	15 ～ 20	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	50	-	15 ～ 20	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	60	-	15 ～ 20	MC Nylon	MC Nylon (EN MC501 CD R2 Equiv.)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	10	-	6 ～ 8	Polyacetal	Polyacetal	Dimension Selectable	6	4	-	-
-	1	6 Days	10	12	-	8 ～ 10	Polyacetal	Polyacetal	Dimension Selectable	8	5	-	-
-	1	6 Days	10	14	-	8 ～ 10	Polyacetal	Polyacetal	Dimension Selectable	10	6	-	-
-	1	6 Days	10	15	-	10 ～ 12	Polyacetal	Polyacetal	Dimension Selectable	11	8	-	-
-	1	6 Days	10	20	-	10 ～ 15	Polyacetal	Polyacetal	Dimension Selectable	11	8	-	-
-	1	6 Days	10	30	-	12 ～ 15	Polyacetal	Polyacetal	Dimension Selectable	14	10	-	-
-	1	6 Days	10	40	-	15 ～ 20	Polyacetal	Polyacetal	Dimension Selectable	18	12	-	-
-	1	6 Days	10	50	-	15 ～ 20	Polyacetal	Polyacetal	Dimension Selectable	18	12	-	-
-	1	6 Days	10	60	-	15 ～ 20	Polyacetal	Polyacetal	Dimension Selectable	18	12	-	-
-	1	6 Days	10	10	-	6 ～ 8	MC Nylon	MC Nylon	Dimension Selectable	6	4	-	-
-	1	6 Days	10	12	-	8 ～ 10	MC Nylon	MC Nylon	Dimension Selectable	8	5	-	-
-	1	6 Days	10	14	-	8 ～ 10	MC Nylon	MC Nylon	Dimension Selectable	10	6	-	-
-	1	6 Days	10	15	-	10 ～ 12	MC Nylon	MC Nylon	Dimension Selectable	11	8	-	-
-	1	6 Days	10	20	-	10 ～ 15	MC Nylon	MC Nylon	Dimension Selectable	11	8	-	-
-	1	6 Days	10	30	-	12 ～ 15	MC Nylon	MC Nylon	Dimension Selectable	14	10	-	-
-	1	6 Days	10	40	-	15 ～ 20	MC Nylon	MC Nylon	Dimension Selectable	18	12	-	-
-	1	6 Days	10	50	-	15 ～ 20	MC Nylon	MC Nylon	Dimension Selectable	18	12	-	-
-	1	6 Days	10	60	-	15 ～ 20	MC Nylon	MC Nylon	Dimension Selectable	18	12	-	-
-	1	6 Days	10	10	-	6 ～ 8	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	6	4	-	-
-	1	6 Days	10	12	-	8 ～ 10	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	8	5	-	-
-	1	6 Days	10	14	-	8 ～ 10	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	10	6	-	-
-	1	6 Days	10	15	-	10 ～ 12	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	11	8	-	-
-	1	6 Days	10	20	-	10 ～ 15	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	11	8	-	-
-	1	6 Days	10	30	-	12 ～ 15	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	14	10	-	-
-	1	6 Days	10	40	-	15 ～ 20	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	50	-	15 ～ 20	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	18	12	-	-
-	1	6 Days	10	60	-	15 ～ 20	Bakelite	Bakelite (Fabric Type)	Dimension Selectable	18	12	-	-

Back to the Category Plastic Washers/Plastic Sleeves

Technical Drawing - Plastic Washers

[ ! ]Chamfering: C0.5 or less
[ ! ]When D ≥ 30 forWZJB, FWZJB, WZJN, FWZJN and FWZJE, the D dimension tolerance will be 0/-0.3.

Open the technical drawing in the new window

Specification Tables - Plastic Washers

■Standard

Part Number		T Selection						H	V	P	Unit Price
Type	D	T Selection						H	V	P	WZJJ	WZJM	WZJD	WZJB	WZJN
WZJJ WZJM WZJD WZJB WZJN	10	6	8					4	6	3.5
	12		8	10				5	8	4.5
	14		8	10				6	10	5.5
	15			10	12			8	11	6.5
	20			10	12	15		8	11	6.5
	30				12	15		10	14	9
	40					15	20	12	18	11
	50					15	20	12	18	11
	60					15	20	12	18	11

■Dimension Configurable

Part Number

V
0.5mm Increment

P
0.5mm Increment

H
0.5mm Increment

T
0.5mm Increment

Unit Price

FWZJJ
FWZJK

FWZJM
FWZJW

FWZJD

FWZJT

FWZJB

FWZJN

FWZJF

FWZJP

FWZJE

FWZJJ
FWZJK
FWZJM
FWZJW
FWZJD
FWZJT
FWZJB
FWZJN
FWZJF
FWZJP
FWZJE

10.0~20
(0.5mm Increment)

5.0~55.0
(V≤D-2)

3.0~53.0
(P≤V-2)

1.0~48.0
(T-H≤Px8)

3.0~10.0

10.5~20

20.5~30

30.5~40

40.5~50

21~30
(1mm Increment)

3.0~10.0

10.5~20

20.5~30

30.5~40

40.5~50

31~40
(1mm Increment)

3.0~10.0

10.5~20

20.5~30

30.5~40

40.5~50

41~50
(1mm Increment)

3.0~10.0

10.5~20

20.5~30

30.5~40

40.5~50

51~60
(1mm Increment)

3.0~10.0

10.5~20

20.5~30

30.5~40

40.5~50

Machining Conditions

V≤D-2 P≤V-2

2≤( T-H )≤Px8

No specification available for those without value.

Alterations - Plastic Washers

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Basic information

Shape	Counterbored	Hole Type	Counterbored Hole	Sale Type	Sold Separately

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Basic Attributes

Outer Diameter(mm)
10

12

14

15

20

30

40

50

60
[10-20/0.5mm Unit(s)][21-60/1mm Unit(s)]
Clear
Internal Diameter(mm)
[3-53/0.5mm Unit(s)]
Clear
Thickness and length
6

8

10

12

15

20
[3-50/0.5]
Clear
Material
- MC Nylon
- Polyacetal
- Bakelite
- Epoxy Glass
- PEEK
- Fluororesin
Clear
Material Detail
MC Nylon (EN MC501 CD R2 Equiv.)

MC Nylon (EN MC501 CD R6 Equiv.)

Bakelite (Fabric Type)

Bakelite (Paper Type)

Epoxy Glass

Fluororesin

MC Nylon

PEEK

Polyacetal
Clear
Dimension Selecting Method
- Dimension Configurable Type
- Dimension Selectable
Clear
Counterbored Hole Dia. V(Ø)
6

8

10

11

14

18
[5-55/0.5Ø Unit(s)]
Clear
Counterbored Hole Depth H(mm)
4

5

6

8

10

12
[1-48/0.5mm Unit(s)]
Clear
Tapping Coarse Thread Dia. Selection [PM](mm)
4

5

6

8

10

12

16

20
Clear
Tapping Fine Thread Dia. Selection [PMA](mm)
4

5

6

8

10

12

16

18

20
Clear
Type
- FWZJB
- FWZJD
- FWZJE
- FWZJF
- FWZJJ
- FWZJK
- FWZJM
- FWZJN
- FWZJP
- FWZJT
- FWZJW
- WZJB
- WZJD
- WZJJ
- WZJM
- WZJN
Clear
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Clear

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Optional Attributes

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

Frequently Asked Questions (FAQ)

Question:
Do ceramic washers have the same strength as ceramic sleeves?: Answer:
Due to a radial lamination of the ceramic material, ceramic sleeves have a lower compressive strength than ceramic washers (vertically laminated). Detailed information and comparison values can be found here.
Question:
What is the thermal expansion of plastic sleeves and plastic washers?: Answer:
Plastic sleeves and plastic washers react sensitively to fluctuations in ambient temperature. The length of synthetic resin sleeves varies depending in a ratio of up to 1°C = 0.1 mm depending on the temperature . Details on the thermal expansion of other materials available at MISUMI can be found in this PDF.
Question:
Do you have washers made of a material that provide electric insulation?: Answer:
Most plastics have an electrically insulating effect. The level of insulation differs depending on the material. Polycarbonate has a very good electrically insulating effect. In addition to its good electrical insulating effect, it is also superior to most conventional plastics in terms of mechanical aspects.
Question:
Which material is suitable for both low and high temperatures?: Answer:
Polyether ether ketone (PEEK) and polytetrafluoroethylene (PTFE) have an operating temperature of approx. -50°C (PEEK), respectively -40°C (PTFE) and up to +250°C.