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Ribbed Lock Washer, SWR/SWRS【1-20 Pieces Per Package】 (SWR-12-VA)

Volume Discount

A washer to prevent loosening due to vibration.
[Features]
·The ribs on both sides of the washer bite into the bolt seating surface and the part to be tightened, preventing loosening due to vibration.
·It provides thread-locking for fasteners that cannot be solved with adhesives, etc.
·It has a higher thread-locking effect than regular spring washers.
·When combined with bolts of strength class 8.8, it provides a higher thread-locking effect.
·It can also be compatible with bolts with strength class 12.9.
[Applications]
·For thread-locking.

Part Number

Configured Part Number is shown.

SWR-12-VA

Product Specifications
Part Numbers
Catalog

Drawing

Product Specification

External appearance of SWR

Material and Finish

Product code	SWR	SWRS
Main body	Equivalent to S70CM (hardness 425 to 495 HV) black oxide coating (black)	SUS304

Specifications Table

SWR: steel, black oxide coating

Unit: mm

Part number	Nominal	d		D		t	h	Weight (g)
SWR-2	2	2.2	0 to +0.3	4	-0.3 to 0	0.35	0.6	0.02
SWR-2.5	2.5	2.7	0 to +0.3	4.8	-0.3 to 0	0.45	0.9	0.04
SWR-3	3	3.2	0 to +0.3	5.5	-0.3 to 0	0.45	0.9	0.05
SWR-4	4	4.3	0 to +0.3	7	-0.36–0	0.5	1	0.08
SWR-5	5	5.3	0 to +0.3	9	-0.36–0	0.6	1.1	0.14
SWR-6	6	6.4	0 to +0.36	10	-0.36–0	0.7	1.2	0.23
SWR-8	8	8.4	0 to +0.36	13	-0.43 to 0	0.8	1.4	0.43
SWR-10	10	10.5	0 to +0.43	16	-0.43 to 0	1	1.6	0.82
SWR-12	12	13	0 to +0.43	18	-0.43 to 0	1.1	1.7	0.89
SWR-16	16	17	0 to +0.43	24	-0.52 to 0	1.3	2.1	2
SWR-20	20	21	0 to +0.52	30	-0.62 to 0	1.5	2.4	3.4

SWRS: stainless steel

Unit: mm

Part number	Nominal	d		D		t	h	Weight (g)
SWRS-1.6	1.6	1.7	0 to +0.3	3.2	-0.3 to 0	0.5	0.75	0.02
SWRS-2	2	2.2	0 to +0.3	4	-0.3 to 0	0.5	0.75	0.03
SWRS-2.5	2.5	2.7	0 to +0.3	4.8	-0.3 to 0	0.5	0.95	0.04
SWRS-3	3	3.2	0 to +0.3	5.5	-0.3 to 0	0.5	0.95	0.05
SWRS-4	4	4.3	0 to +0.3	7	-0.36–0	0.7	1.2	0.08
SWRS-5	5	5.3	0 to +0.3	9	-0.36–0	0.7	1.2	0.14
SWRS-6	6	6.4	0 to +0.36	10	-0.36–0	0.7	1.2	0.23
SWRS-8	8	8.4	0 to +0.36	13	-0.43 to 0	1	1.6	0.43
SWRS-10	10	10.5	0 to +0.43	16	-0.43 to 0	1	1.6	0.82
SWRS-12	12	13	0 to +0.43	18	-0.43 to 0	1.25	1.85	0.89
SWRS-16	16	17	0 to +0.43	24	-0.52 to 0	1.5	2.3	2
SWRS-20	20	21	0 to +0.52	30	-0.62 to 0	1.8	2.8	3.4

Performance / Test Information

Vibration test comparison (test hex bolt: DIN933-8.8-M10-35, vibration: 15 Hz, amplitude: 0.5 mm)

Spring washer (DIN127)

Ribbed lock washer (SWR)

: 30; 45; 60

Part Number
SWR-12-VA

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Material	Surface Treatment	Inner Dia. d (mm)	Outer Dia. D (mm)	Nominal of Thread (M)	Type	Type (Application)	Thickness t (mm)	Unit of Purchase	Type Spring Washers	Material: Stainless Steel	Surface Treatment (Detailed)	Material Steel	Screw M Diameter
	MYR 5.62	1 Piece(s)	Available	5 Day(s) or more	Steel	Black Oxide Coating	13	18	12	Spring Washer	Spring Washer	1.1	Low Quantity (can be purchased from one)	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	-

Product TOP

Please check the type/dimensions/specifications of the part SWR-12-VA in the Ribbed Lock Washer, SWR/SWRS series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Material: Stainless Steel
SUS304
Clear
type
- SWR
- SWR-VA
- SWRS
- SWRS-VA
Clear
Material
- Steel
- Stainless Steel
Clear
Surface Treatment
- No
- Black Oxide Coating
Clear
Inner Dia. d(mm)
1.7

2.2

2.7

3.2

4.3

5.3

6.4

8.4

10.5

13

17

21
Clear
Outer Dia. D(mm)
3.2

4

4.8

5.5

7

9

10

13

16

18

24

30
Clear
Nominal of Thread (M)
1.6

2

2.5

3

4

5

6

8

10

12

16

20
Clear
Type
Spring Washer

Rosette Washer
Clear
Type (Application)
- Spring Washer
Clear
Thickness t(mm)
0.35

0.45

0.5

0.6

0.7

0.8

1

1.1

1.25

1.3

1.5

1.8
Clear
Unit of Purchase
Low Quantity (can be purchased from one)

Box/package
Clear
Type Spring Washers
- Serrated Conical Disc Spring Washers
Clear
Surface Treatment (Detailed)
- Black Oxide Coating
Clear
Material Steel
SCM435
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

5 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

11 Day(s) or Less
Clear

Specify Alterations

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

Products like this...

Part Number
SWR-10
SWR-10-VA
SWR-12
SWR-16
SWR-16-VA
SWR-2

Standard Unit Price	Number of pc(s). included in pkg.	Minimum order quantity	Volume Discount	Days to Ship	Material	Surface Treatment	Inner Dia. d (mm)	Outer Dia. D (mm)	Nominal of Thread (M)	Type	Type (Application)	Thickness t (mm)	Unit of Purchase	Type Spring Washers	Material: Stainless Steel	Surface Treatment (Detailed)	Material Steel	Screw M Diameter
MYR 28.05	10 Pieces Per Package	1 Pack(s)		5 Day(s) or more	Steel	Black Oxide Coating	10.5	16	10	Spring Washer	Spring Washer	1	Box/package	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	-
MYR 4.91		1 Piece(s)	Available	8 Day(s) or more	Steel	Black Oxide Coating	10.5	16	10	Spring Washer	Spring Washer	1	Low Quantity (can be purchased from one)	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	-
MYR 31.59	10 Pieces Per Package	1 Pack(s)	Available	7 Day(s) or more	Steel	Black Oxide Coating	13	18	12	Spring Washer	Spring Washer	1.1	Box/package	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	-
MYR 53.62	10 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	Steel	Black Oxide Coating	17	24	16	Spring Washer	Spring Washer	1.3	Box/package	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	-
MYR 9.69		1 Piece(s)	Available	7 Day(s) or more	Steel	Black Oxide Coating	17	24	16	Spring Washer	Spring Washer	1.3	Low Quantity (can be purchased from one)	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	-
MYR 18.84	10 Pieces Per Package	1 Pack(s)	Available	8 Day(s) or more	Steel	Black Oxide Coating	2.2	4	2	Spring Washer	-	0.35	Box/package	Serrated Conical Disc Spring Washers	-	Black Oxide Coating	SCM435	M2

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Ribbed Lock Washer, SWR/SWRS【1-20 Pieces Per Package】 (SWR-12-VA)

Drawing

Product Specification

Material and Finish

Specifications Table

SWR: steel, black oxide coating

SWRS: stainless steel

Performance / Test Information

Spring washer (DIN127)

Ribbed lock washer (SWR)

Configure

Specification/Dimensions

Material: Stainless Steel

type

Material

Surface Treatment

Inner Dia. d(mm)

Outer Dia. D(mm)

Nominal of Thread (M)

Type

Type (Application)

Thickness t(mm)

Unit of Purchase

Type Spring Washers

Surface Treatment (Detailed)

Material Steel

CAD

Days to Ship

Specify Alterations

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