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Metal Washers, Collars（O.D. Tolerance：Not Specified）

Metal washers and collars are versatile fasteners designed to distribute loads, provide spacing, and ensure precise positioning in various mechanical and engineering applications. These components are essential in preventing loosening and damage to surfaces during the tightening of bolts and screws. Available in multiple materials such as stainless steel, steel, brass, and aluminum, they offer varying degrees of strength, corrosion resistance, and weight. Customizable in terms of inner and outer diameters, thickness, and surface treatments like black oxide and nickel plating, metal washers and collars cater to specific needs, ensuring optimal performance and longevity in demanding environments.

17 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less

Aluminum Spacer (Hollow) CL-E/-BE/-KE

HIROSUGI-KEIKI

[Nominal size (M) of compatible screws] 2/2.6/3/4/5/6
[Materials] For M2: Lead-free free-cutting aluminum (CB156) with lead content of 10 ppm or less.
For M2.6 to M6: Lead-free free-cutting aluminum (KS26) with lead content of 300 ppm or less
[Treatment] Pickling, black alumite (BAL), Kanigen plating

Standard Price:	SGD 0.22-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Spacers

MISUMI

[Features]·It can be used as a reinforcement to fasten soft wood with bolts.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 0.34-
	Special Price
Days to Ship:	Same day or more

Stainless Steel Spacer (Hollow) CU/CU-H/CU-U

Stainless Steel Spacer (Hollow) CU/CU-H/CU-U【1-50 Pieces Per Package】

HIROSUGI-KEIKI

[Nominal size (M) of compatible screws] 2/2.6/3/4/5/6
[Materials] Stainless steel (SUS303 / 304 / 316)
[Treatment] Degreasing

Volume Discount

Standard Price:	SGD 0.47-
Days to Ship:	4 Day(s) or more

Steel Spacer (Hollow) / CF-E

HIROSUGI-KEIKI

[Nominal size (M) of compatible screws] 2/2.6/3/4/5/6
[Materials] Free-cutting steel (SUM)
[Treatment] Trivalent chromium chromate treatment

Standard Price:	SGD 0.17-
Days to Ship:	4 Day(s) or more

Hollow Collars

MISUMI

[Features]·A pipe collar made of SGP/STPG materials.

CAD ：

2D / 3D

Days to Ship: 5 Day(s) or more

Days to Ship:	5 Day(s) or more

On Sale Till 31/03/2025

Spacer Washer (BJ623)

IMAO CORPORATION

Polishing finish on upper and underside. [Materials]S45C with surface treatment options: Black oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 24.01-
	Special Price
Days to Ship:	Same day or more

Brass Spacer (Hollow, Round) Pipe CB-P/CB-PC

HIROSUGI-KEIKI

[Nominal size (M) of compatible screws] 2/2.6/3/4/5/6
[Materials] Brass (C2700T-H) with less than 10 ppm cadmium content
[Treatment] Degreasing, nickel plating (Ni)

Standard Price:	SGD 0.22-
Days to Ship:	4 Day(s) or more

Metal Washers - with Selectable Shape

MISUMI

[Features]·You can choose the shape according to the situation of use. ·The shape is straight.

CAD ：

2D / 3D

Days to Ship: 8 Day(s)

Days to Ship:	8 Day(s)

On Sale Till 31/03/2025

Collar (B-96 / Steel)

TAKIGEN

Available in a range of sizes: outer diameter ø 10 to 18 mm, and hole diameter ø 5 to 10 mm.
Check the e-catalog for sizes not listed in the catalog.

CAD ：: 2D / 3D

Standard Price:	SGD 1.84-
	Special Price
Days to Ship:	Same day

On Sale Till 31/03/2025

Collar (B-1096 / Stainless Steel)

TAKIGEN

Available in a range of sizes: outer diameter ø 10 to 18 mm, and hole diameter ø 5 to 10 mm.
Check the e-catalog for sizes not shown in the catalog.

[Features]
· Provided with pin (B-1099, B-99) wide variations are available.

CAD ：: 3D

Standard Price:	SGD 3.60-
	Special Price
Days to Ship:	Same day

Brass Spacer (Hollow Pipe, Round) / CB-PC

Brass Spacer (Hollow Pipe, Round) / CB-PC【50 Pieces Per Package】

HIROSUGI-KEIKI

[Supported Screw Nominal (M)] 2/2.6/3/4/5/6
[Material] Brass (C2700T-H), Cadmium Content Less than 10 ppm
[Processing] Degreasing

Volume Discount

Standard Price:	SGD 21.24
Days to Ship:	16 Day(s)

Eco Spacer (Hollow) / CE-N

HIROSUGI-KEIKI

[Supported Screw Nominal (M)] 2/2.6/3/4/5/6
[Material] Lead-Free Free-Cutting Brass (Bismuth Base)
[Processing] Nickel Plating (Ni)

Standard Price:	SGD 0.26-
Days to Ship:	21 Day(s) or more

Aluminum Spacer (Hollow/Pickled) / CL-E

Aluminum Spacer (Hollow/Pickled) / CL-E【50 Pieces Per Package】

HIROSUGI-KEIKI

[Supported Screw Nominal (M)] 2/2.6/3/4/5/6
[Material] For M2: Lead-Free Free-Cutting Aluminum (CB156) Lead Content 10 ppm or Less / For M2.6 to M6: Lead-Free Free-Cutting Aluminum (KS26) Lead Content 300 ppm or Less
[Processing] Pickling

Volume Discount

Standard Price:	SGD 25.31
Days to Ship:	16 Day(s)

Titanium Spacer (Hollow) / CTI

HIROSUGI-KEIKI

[Supported Screw Nominal (M)] 3
[Material] Pure Titanium
[Processing] Degreasing
Lightweight titanium has specific gravity about 60% of that of stainless steel, as well as excellent chemical resistance and especially seawater resistance.
Since titanium is non-magnetic, it can be used for electronic equipment, semiconductor manufacturing equipment, medical equipment and the like that require non-magnetic properties.

Standard Price:	SGD 6.90
Days to Ship:	21 Day(s) or more

On Sale Till 31/03/2025

Collar (Square Type / B-990 / Steel)

TAKIGEN

Provided with pin. Wide variations are available.

[Features]
· Provided with pin (B-1099, B-99). Wide set variations are available.

CAD ：: 2D / 3D

Standard Price:	SGD 2.72-
	Special Price
Days to Ship:	Same day

On Sale Till 31/03/2025

Collar (Square Type / B-1990 / Stainless Steel)

TAKIGEN

Provided with pin. Wide variations are available.

[Features]
· Provided with pin (B-1099, B-99). Wide set variations are available.

CAD ：: 3D

Standard Price:	SGD 5.01-
	Special Price
Days to Ship:	Same day

Brass Spacer (Hollow, Square) / CQB-E

HIROSUGI-KEIKI

[Supported Screw Nominal (M)] 3/4
[Material] Free-Cutting Brass (C3604BD), Cadmium Content Less than 75 ppm
[Processing] Nickel Plating (Ni)

Standard Price:	SGD 0.42-
Days to Ship:	7 Day(s) or more


Brand
Product Series
CAD
Days to Ship
I.D. Shape
O.D.(mm)
I.D.(mm)
Thickness/Length(mm)
Shape
Material
Surface Treatment
I.D. Tolerance
Thickness / Length Tolerance
O.D. Tolerance
Sale Type

		On Sale Till 31/03/2025				On Sale Till 31/03/2025			On Sale Till 31/03/2025	On Sale Till 31/03/2025					On Sale Till 31/03/2025	On Sale Till 31/03/2025
Brand	HIROSUGI-KEIKI	MISUMI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	MISUMI	IMAO CORPORATION	HIROSUGI-KEIKI	MISUMI	TAKIGEN	TAKIGEN	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	TAKIGEN	TAKIGEN	HIROSUGI-KEIKI
Product Series	Aluminum Spacer (Hollow) CL-E/-BE/-KE	Spacers	Stainless Steel Spacer (Hollow) CU/CU-H/CU-U【1-50 Pieces Per Package】	Steel Spacer (Hollow) / CF-E	Hollow Collars	Spacer Washer (BJ623)	Brass Spacer (Hollow, Round) Pipe CB-P/CB-PC	Metal Washers - with Selectable Shape	Collar (B-96 / Steel)	Collar (B-1096 / Stainless Steel)	Brass Spacer (Hollow Pipe, Round) / CB-PC【50 Pieces Per Package】	Eco Spacer (Hollow) / CE-N	Aluminum Spacer (Hollow/Pickled) / CL-E【50 Pieces Per Package】	Titanium Spacer (Hollow) / CTI	Collar (Square Type / B-990 / Steel)	Collar (Square Type / B-1990 / Stainless Steel)	Brass Spacer (Hollow, Square) / CQB-E
CAD		2D / 3D			2D / 3D	2D / 3D		2D / 3D	2D / 3D	3D					2D / 3D	3D
Days to Ship	4 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	5 Day(s) or more	Same day or more	4 Day(s) or more	8 Day(s)	Same day	Same day	16 Day(s)	21 Day(s) or more	16 Day(s)	21 Day(s) or more	Same day	Same day	7 Day(s) or more
I.D. Shape	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight
O.D.(mm)	4 ～ 10	3 ～ 12.2	4 ～ 10	4 ～ 10	10.5 ～ 48.6	25 ～ 60	3.2 ～ 8	10 ～ 50	10 ～ 18	12 ～ 18	6.4	4 ～ 10	8	6	12 ～ 18	14 ～ 18	6
I.D.(mm)	2.2 ～ 6.3	2 ～ 10.2	2.2 ～ 6.3	2.2 ～ 6.3	5.7 ～ 41.6	8.4 ～ 17	2.2 ～ 6.4	3 ～ 30	5 ～ 10	5 ～ 10	5.2	2.2 ～ 6.3	4.3	3.2	5 ～ 10	6 ～ 10	3.2
Thickness/Length(mm)	1 ～ 50	3 ～ 30	1 ～ 40	2 ～ 30	6 ～ 200	5 ～ 10	1 ～ 45	3 ～ 10	20 ～ 54	15 ～ 40	7	3 ～ 20	6	5	20 ～ 52	20 ～ 52	10 ～ 30
Shape	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Square	Square	Square
Material	Aluminum	Steel	Stainless Steel	Special Steel	Steel	Steel	Brass	Stainless Steel ～ Steel	Steel	Stainless Steel	Brass	Brass	Aluminum	Titanium	Steel	Stainless Steel	Brass
Surface Treatment	Not Provided / Electroless Nickel Plating / Anodize (Black)	Trivalent Chromate (Black)	Not Provided	Trivalent Chromate (White)	Not Provided / Black Oxide	Black Oxide	Not Provided / Electroless Nickel Plating	Not Provided / Black Oxide / Electroless Nickel Plating	Not Provided	Not Provided	Not Provided	Electroless Nickel Plating	Not Provided	Not Provided	Not Provided	Not Provided	Electroless Nickel Plating
I.D. Tolerance	±0.1 ～ ±0.2	Not Specified	±0.1 ～ ±0.15	±0.05 ～ ±0.15	Not Specified	Not Specified	Not Specified	+0.3~+0.1	Not Specified	Not Specified	Not Specified	±0.15	±0.15	±0.15	Not Specified	Not Specified	±0.15
Thickness / Length Tolerance	±0.1	±0.1 ～ Not Specified	±0.1	±0.1	±0.2	-0.01~-0.03	Not Specified	±0.1	Not Specified	Not Specified	Not Specified	±0.1	±0.1	±0.1	Not Specified	Not Specified	±0.1
O.D. Tolerance	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified
Sale Type	Bulk Package	Single Item	Single Item / Bulk Package	Single Item / Bulk Package	Single Item	Single Item	Bulk Package	Single Item	Single Item	Single Item	Bulk Package	Bulk Package	Bulk Package	Bulk Package	Single Item	Single Item	Bulk Package

Configure

Specification/Dimensions

I.D. Shape
- Straight
- Counterbored
- Tapped
- Flat Head Screw
- Screw Hole
- Slotted Hole, Notched
- 2-Hole
Larger Image

Clear

O.D.(mm)
3

3.2

3.35

3.65

3.8

4

4.2

4.5

5

5.2

5.3

5.5

6

6.3

6.4

6.5

7

7.5

7.8

8

8.5

9

9.5

10

10.5

11

11.5

12

12.2

12.5

13

13.5

13.8

14

14.5

15

15.5

16

16.5

17

17.3

17.5

18

18.5

19

19.5

20

20.5

21

21.5

21.7

22

22.5

23

23.5

24

24.5

25

25.5

26

26.5

27

27.2

27.5

28

28.5

29

29.5

30

30.5

31

31.5

32

32.5

33

33.5

34

34.5

35

35.5

36

36.5

37

37.5

38

38.5

39

39.5

40

40.5

41

41.5

42

42.5

42.7

43

43.5

44

44.5

45

45.5

46

46.5

47

47.5

48

48.5

48.6

49

49.5

50

51

52

53

54

55

56

57

58

59

60
[10-20.5/0.5mm Unit(s)][21-50/1mm Unit(s)]
Clear

I.D.(mm)
0

1

1.5

1.8

2

2.2

2.35

2.5

2.6

2.65

2.7

2.8

3

3.2

3.5

4

4.1

4.2

4.3

4.5

5

5.1

5.2

5.3

5.5

5.7

6

6.2

6.3

6.4

6.5

6.6

7.1

7.8

8

8.2

8.4

9

9.2

9.4

10

10.2

10.5

10.9

11

12

12.7

13

14.3

15

16

16.1

17

19.4

20

21.4

21.6

25

27.2

27.6

30

32.9

35.5

35.7

38.4

41.2

41.6
[3-30/0.5mm Unit(s)]
Clear

Thickness/Length(mm)
1

1.5

1.6

2

2.5

3

3.5

4

4.5

5

5.5

6

6.5

7

7.5

8

8.5

9

9.5

10

10.5

11

11.5

12

12.5

13

13.5

14

14.5

15

15.5

16

16.5

17

17.5

18

18.5

19

19.5

20

21

22

23

24

25

27

28

30

31

32

33

35

40

42

45

50

52

54

72
[3-10/0.1mm Unit(s)][6-200/0.5mm Unit(s)]
Clear

Shape
- Straight
- Flanged
- Square
Larger Image

Clear

Material
Aluminum

Brass

Special Steel

Stainless Steel

Steel

Titanium
Clear

Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Low Temperature Black Plating
- Anodize (Clear)
- Anodize (Black)
- Trivalent Chromate (Black)
- Trivalent Chromate (White)
Clear

I.D. Tolerance
±0.05

+0.05 to 0

±0.1

+0.1 to -0.2

±0.15

±0.2

+0.2~0

±0.3

+0.3~+0.1

H7

Not Specified
Clear

Thickness / Length Tolerance
-0.1~-0.3

-0.01~-0.03

0~-0.3

0~-0.2

0~-0.1

0~-0.02

±0.005

±0.01

+0.02~0

+0.03~+0.01

±0.05

±0.08

±0.1

+0.1~0

±0.13

±0.15

±0.2

+0.2~0

±0.3

+0.3~+0.1

±0.4

Not Specified
Clear