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Metal Washers, Collars（Shape：Square）
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.
Configure
Specification/Dimensions
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I.D. Shape
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Straight -
Counterbored -
Tapped -
Flat Head Screw -
Screw Hole -
Slotted Hole, Notched -
2-Hole
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-
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
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I.D.(mm)
- 0
- 1
- 1.5
- 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
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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
- 22
- 24
- 25
- 28
- 30
- 32
- 35
- 40
- 42
- 45
- 50
- 52
- 54
- 60
- 100
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Shape
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Straight -
Flanged -
Square
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Material
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Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Low Temperature Black Plating
- Anodize (Clear)
- Anodize (Black)
- Trivalent Chromate (Black)
- Trivalent Chromate (White)
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I.D. Tolerance
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Thickness / Length Tolerance
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O.D. Tolerance
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Sale Type
- Single Item
- Bulk Package
Brand |
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|---|---|
| CAD |
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| Days to Ship |
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- 3 items
- Sort By
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You can add up to 6 items per a category to the compare list.
Collar (Square Type / B-1990 / Stainless Steel)
TAKIGEN
[Features]
· Available in variety of combinations with pins (B-1099, B-99).
[Applications]
· Distribution boards / power distribution boards, and control panels.From: ฿ 86.00 Days to Ship: 
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Collar (Square Type / B-990 / Steel)
TAKIGEN
[Features]
· Available as a variety of combinations with pins (B-1099, B-99).
[Applications]
· Distribution boards / power distribution boards, and control panels.From: ฿ 43.00 Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Brass Spacer (Hollow, Square) / CQB-E
HIROSUGI-KEIKI
[Nominal Thread Sizes (M)] 3/4
[Materials] Free-cutting brass (C3604BD), cadmium content less than 75 ppm
[Treatment] Nickel plating (Ni)From: ฿ 84.58 Days to Ship:
5 Day(s)
5 Day(s)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| 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 |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | TAKIGEN | TAKIGEN | HIROSUGI-KEIKI |
| Product Series | |||
| CAD |
|
| |
| From | ฿ 86.00 | ฿ 43.00 | ฿ 84.58 |
| Days to Ship | Same day | Same day | 5 Day(s) |
| I.D. Shape | Straight | Straight | Straight |
| O.D.(mm) | 12 ～ 18 | 12 ～ 18 | 6 |
| I.D.(mm) | 5 ～ 10 | 5 ～ 10 | 3.2 |
| Thickness/Length(mm) | 20 ～ 52 | 20 ～ 52 | 30 |
| Shape | Square | Square | Square |
| Material | Stainless Steel | Steel | Brass |
| Surface Treatment | Not Provided | Not Provided | Electroless Nickel Plating |
| I.D. Tolerance | Not Specified | Not Specified | ±0.15 |
| Thickness / Length Tolerance | Not Specified | Not Specified | ±0.1 |
| O.D. Tolerance | Not Specified | Not Specified | Not Specified |
| Sale Type | Single Item | Single Item | Bulk Package |
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Related Categories to Metal Washers, Collars
FAQ Metal Washers, Collars
- Question: What are metal washers and collars used for?
- Answer: Metal washers and collars are essential components in various engineering and mechanical applications. Washers distribute the load of a threaded fastener, such as a bolt or nut, to prevent damage and ensure secure fastening. They can also act as spacers, locking devices, and wear pads. Collars, which are cylindrical spacers, are used to maintain precise positioning of parts on shafts or other components.
- Question: How do I choose the right metal washer or collar for my application?
- Answer: When selecting metal washers or collars, consider the following specifications:
Inner Diameter (I.D.): Ensure it matches the bolt or shaft diameter.
Outer Diameter (O.D.): Should be large enough to distribute the load effectively.
Thickness/Length: Must fit the space and load requirements.
Material: Choose based on environmental conditions (e.g., stainless steel for corrosion resistance).
Surface Treatment: For added protection and durability, treatments like black oxide or nickel plating can be selected. - Question: What materials are metal washers and collars made from?
- Answer: Common materials include:
Stainless Steel: Offers excellent corrosion resistance and strength.
Steel: General-purpose material suitable for most applications.
Brass: Provides good conductivity and resistance to corrosion.
Aluminum: Lightweight and corrosion-resistant, ideal for weight-sensitive applications. - Question: What are the differences between standard and precision grade washers and collars?
- Answer: Standard grade washers and collars are suitable for general use where tight tolerances are not critical. Precision grade options, however, offer tighter tolerances and better surface finishes, making them suitable for high-precision applications where exact dimensions are crucial.
- Question: Can I customize the dimensions of washers and collars?
- Answer: Yes, many suppliers offer customizable options for washers and collars. You can specify the inner and outer diameters, thickness, and even special features like countersunk holes or flanged edges to meet specific application needs.
- Question: What is the significance of surface treatments on metal washers and collars?
- Answer: Surface treatments enhance the performance and longevity of washers and collars by providing additional properties such as corrosion resistance, hardness, or aesthetic appeal. Common treatments include:
Black Oxide: Increases corrosion resistance and reduces light reflection.
Nickel Plating: Provides a smooth, shiny finish with good corrosion resistance.
Anodizing: Commonly used on aluminum for enhanced corrosion resistance and coloring. - Question: How do I ensure the washers and collars meet my tolerance requirements?
- Answer: Specify the tolerance levels when ordering. Standard options include:
Inner Diameter Tolerance: ±0.05 mm to +0.3 mm.
Outer Diameter Tolerance: ±0.1 mm to ±0.3 mm.
Thickness Tolerance: ±0.01 mm to ±0.3 mm. - Question: Are there any special types of washers and collars for specific applications?
- Answer: Yes, there are various specialized types such as:
Countersunk Washers: Designed for use with countersunk screws, allowing the screw to sit flush with the surface.
Flanged Collars: Provide a larger bearing surface, which helps distribute the load over a larger area.
Hardened Washers: Suitable for high-load or high-wear applications due to their increased hardness.
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