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50,000 Stock items for Same Day Ship Out.
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- Automation Components
A wide variety of standard and configurable components for factory automation engineers in industries such as automotive, semiconductor, packaging, medical and many more.
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A good selection of accessories such as screws, bolts, washers and nuts that you may need for your daily engineering usage.
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Browse industrial materials ranging from heat insulating plates, sponges, to metal and plastic materials in different sizes to meet your various applications.
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A wide variety of wiring parts for connecting and protecting control and PC parts including Connectors, Cables, Electric Wires, Crimping Terminals and more.
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- Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/2/2025 to 7:00 (SGT) 10/2/2025. We apologize for the inconvenience.
- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Cylindrical Nuts（Material：Steel）
Cylindrical nuts with machined periphery or seating surface (the side opposite to the mounting surface) for mounting. Normally two or four faces or holes are machined on the periphery and a hexagon socket or groove (+, -, cross, slot) is machined on the end face.
All cylindrical shaped nuts are sometimes called round nuts.
These also include round bosses (cylindrical nuts) for welding, knob (female threaded), insert crosses, and more.
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- On Sale Till 31/03/2025
Round Boss for Welding【1-300 Pieces Per Package】
SUNCO
[Material] SS400 equivalent
[Screw threading type] metric coarse
[Application and function] For welding use
[Screw nominal designation (M)] 5, 6, 8, or 10
[Surface treatment] None, chromate plating, or nickel plating
[Sales unit] Separate (can be ordered in individual units of 1 or more), box, or pack
[Surface treatment (detail)] None, chromate plating, or nickel plating
[Type] 15, 18, 19, or 20
[B measurement] 10, 13, 15, 18, 20, or 30- Volume Discount
Standard Price: SGD 1.24- Special Price Days to Ship: 3 Day(s) or more -
- On Sale Till 31/03/2025
Knurled Thumb Nuts with Side Holes
MISUMI
Sizes are M10 to M30. Shipment from 1 pc. is available as needed.
- Volume Discount
Standard Price: SGD 18.20- Special Price Days to Ship: Same day or more -
Threaded Pipe (Round Boss, Welding Net, Low Carbon Steel Wire Rod)
TAKIGEN
Appropriate for use with power distribution boards, control panels, and for inserting knurled thumbscrews. Available in sizes to fit various applications.
[Features]
· Available in sizes to fit various applications.Standard Price: SGD 3.10- Days to Ship: 10 Day(s) or more -
Round Boss for Welding Whitworth
SUNCO
[Material] Equivalent to SS400
[Surface Processing] None
[Nominal of Thread (inch)] 3/8
[Application/Function] For welding
[Thread Ridge Type] Whitworth CoarseStandard Price: SGD 2.43- Days to Ship: 7 Day(s) or more -
Round Nut "Chrome Plating," Steel (SS400)
ESCO
【Product Specifications】
・Material-SS400
・Process-Chrome plating
・Screw…M3
・A…12
・B…7.5
・C…6
・D…5Standard Price: SGD 8.45- Days to Ship: 7 Day(s) or more -
![[Clean & Pack]Knurled Thumb Nuts with Side Holes](//content.misumi-ec.com/image/upload/t_product_view_b/v1/p/jp/product/series/110310783809/110310783809_001_20230911105917.jpg?$product_view_b$)
[Clean & Pack]Knurled Thumb Nuts with Side Holes
MISUMI
Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.■Part Number for Clean & Pack Products·Degreasing (Anti-rust single packing) : Part Number SL-□□ ·Precision cleaning (Degassing double packing) : Part Number SH-□□ ·Electrolytic polishing + precision cleaning (Degassing double packing) : Part Number SHD-□□ Product Part Number Cleaning Method Packaging Type Effects Compared to Uncleaned Product Environment (Standard) Process SL-□□ Degreasing Anti-rust packing Oil removal General environment Regular assembly process Post battery assembly process SH-□□ Precision cleaning Degassing double packing Oil removal
Dust removalClean environment (Class 10 to 1,000) Battery assembly process LCD-related post assembly process In-vehicle camera assembly process SHD-□□ Electrolytic polishing + precision cleaning Degassing double packing Oil removal
Dust removal
Outgas reductionVacuum environment
Clean environment (Class 10 to 1,000)Pre-semiconductor process Liquid crystal deposition process Pre-OLED process ■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.
Sizes are M10 to M16. The products can be shipped from 1 piece when requesting a small quantity.- Volume Discount
Standard Price: SGD 25.00- Days to Ship: 5 Day(s) or more -
UFO Nut (Pan Head Type)【1-2,000 Pieces Per Package】
SUNCO
A nut that can be tightened using a Phillips head screwdriver. Convenient for spaces where you can’t use a hex wrench or a spanner.
Standard Price: SGD 0.82- Days to Ship: 3 Day(s) or more -
200% Trapezoidal Nut (B Type, Left-Hand Screw (L))
SUNCO
[Nominal of Thread (M)] 12/14/16/18/20/22/24/25/28/30/32/36/40
[Material] Steel
[Surface Processing] None
[Application/Function] Standard
[Thread Ridge Type] Metric CoarseStandard Price: SGD 19.13- Days to Ship: 6 Day(s) or more -
![Round nut [chrome plated] Steel (S45C)](//sg.misumi-ec.com/linked/material/mech/ESC1/PHOTO/221005771825.jpg?$product_view_b$)
Round nut [chrome plated] Steel (S45C)
ESCO
【Product Specifications】
・Material-S45C
・Process-Chrome plating
・With a hole to secure
・Screw…M5 x 7
・A…20
・B…12
・C…14
・J…1.4Standard Price: SGD 16.67- Days to Ship: 7 Day(s) or more -
![Round nut [S45C]](//sg.misumi-ec.com/linked/material/mech/ESC1/PHOTO/221005771870.jpg?$product_view_b$)
ESCO
ESCO round nut [S45C]. [Materials]Steel with surface treatment options: Painting/coating
Standard Price: SGD 16.23- Days to Ship: 7 Day(s) or more
![[Clean & Pack]Knurled Thumb Nuts with Side Holes](http://content.misumi-ec.com/image/upload/t_product_view_b/v1/p/jp/product/series/110310783809/110310783809_001_20230911105917.jpg?$product_view_b$)
![Round nut [chrome plated] Steel (S45C)](http://sg.misumi-ec.com/linked/material/mech/ESC1/PHOTO/221005771825.jpg?$product_view_b$)
![Round nut [S45C]](http://sg.misumi-ec.com/linked/material/mech/ESC1/PHOTO/221005771870.jpg?$product_view_b$)
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| Brand | SUNCO | MISUMI | TAKIGEN | SUNCO | ESCO | MISUMI | SUNCO | SUNCO | ESCO | ESCO |
| Product Series | Threaded Pipe (Round Boss, Welding Net, Low Carbon Steel Wire Rod) | |||||||||
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| Days to Ship | 3 Day(s) or more | Same day or more | 10 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more | 5 Day(s) or more | 3 Day(s) or more | 6 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more |
| Nominal of Thread (M) | 5 ～ 12 | 10 ～ 16 | 4 ～ 10 | - | - | 10 ～ 16 | 3 ～ 6 | 14 ～ 40 | - | - |
| Environmentally friendly | - | - | - | - | - | RoHS Compliant (10 Substances) | - | - | - | - |
| Material | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
| Characteristics/Applications | - | - | - | - | - | Clean Washed | - | - | - | - |
| Thread Type | Metric, Coarse | Metric, Coarse / Metric, Fine | Metric, Coarse | Whit, Coarse | - | Metric, Coarse / Metric, Fine | Metric, Coarse | Metric, Coarse (Left) | - | - |
| Applications, Functions | For Welding | Hand Tightening | For Welding | For Welding | - | Hand Tightening | Easy Mounting | Standard | - | - |
| Surface Treatment | Chromate Plating | Not Provided | Not Provided | - | - | Not Provided | Trivalent Chromate / Bright Chrome Plating | Not Provided | - | Painting, Coating |
| Sales Unit | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | - | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | - | - |
| Nominal of Thread (inch) | - | - | - | 3/8 | - | - | - | - | - | - |
| Surface Treatment (Details) | Chromate Plating | Not Provided | Not Provided | - | Chromate Plating ～ Chrome Plating | Not Provided | Bright Chrome Plating ～ Trivalent Chromate | Not Provided | Chromate Plating | Baked Paint ～ Black Paint |
| Cleaning Method | - | - | - | - | - | Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning | - | - | - | - |
![[Clean & Pack]Knurled Thumb Nuts with Side Holes](http://content.misumi-ec.com/image/upload/t_product_view_c/v1/p/jp/product/series/110310783809/110310783809_001_20230911105917.jpg?$product_view_c$)
![Round nut [chrome plated] Steel (S45C)](http://sg.misumi-ec.com/linked/material/mech/ESC1/PHOTO/221005771825.jpg?$product_view_c$)
![Round nut [S45C]](http://sg.misumi-ec.com/linked/material/mech/ESC1/PHOTO/221005771870.jpg?$product_view_c$)
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Nominal of Thread (M)
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Environmentally friendly
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- Metric, Coarse
- Metric, Coarse (Left)
- Metric, Fine
- Whit, Coarse
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Applications, Functions
- Standard
- Easy Mounting
- Hand Tightening
- For Welding
- Cross Type Connection
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Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Chromate Plating
- Painting, Coating
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Nominal of Thread (inch)
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Surface Treatment (Details)
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Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
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