10 Best u bolts in Singapore

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Last Updated - 12/10/2025

Best Choice
01

Anina

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Anina 4PCS Square U Bolts with Frame Plates and Nuts 3/8'' X 3'' X 7'' Stainless Steel U Clamp Bolts for Automobiles Trailer, Ski Boat, Tube, Sailboat Trailer
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Application: U-bolts can be used in domestic and industrial applications,including manufacturing, maintenance, automotive sector, clothing production, etc., also nice for fastening tubes, wood, trailer and more, providing a secure fix without being too bulky
U Shape Design: This design can lock the connector fixed on the square object, will not be locked because the surface area of the locked object contact is too small and cause to locking failure; You can also cut square bolts in half to use as a 90-degree clamps
Premium Quality: Made of stainless steel, these U-bolts have excellent load-bearing, strong and durable, reliable and durable, rust resistant and corrosion resistant, also suitable for rainy and humid environment
Feature: The square U bolts threads are 3/8 " in diameter, 3" in width, and 7 "in length, suitable for 3 x 3" square objects, and can be used to secure pipes, plates, and planks; Please check the dimensions before ordering
Complete Set: Includes 4 U bolts, 4 frame plates and 8 nuts to meet your use needs, the attached nuts and frame plates are a good complement to make the installation process simple and clear; Use lubricants to prevent wear when installing

S$ 38.81
02

Dunzy

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Square U Bolt in Zinc 3/8'' x 3'' x 7'' U Bolt Zn, Industrial and Scientific Supplies U Bolts for Boat Trailer Tube, Rectangular Wood and Metal Objects (4 Pieces)
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Applications: the U bolts are widely suitable for various fields, such as industry, manufacturing, maintenance, the automotive sector, clothing production, etc., ideal for fastening tubes, woods, trailer, and so on
Tips: It is recommended to use lubricant during installing the U bolts to prevent wear and tear; Use a manual wrench or socket ratchet when installing nuts; Do not use high speed power tools or impact tools to tighten the nuts
Sufficient Quantity: you will receive 4 pack of square U bolts in zinc, including 4 pieces of u bolts, 4 pieces of frame plates and 8 pieces of nuts; Enough quantity satisfy your uses and replacements
Hard Material: the square U bolt adopts carbon steel material, and with zinc plated, sturdy and reliable, with nice rust and corrosion resistance, each bolt can withstand the weight, still perform well in rainy and wet environments
Common Size: the square U bolts measures about 3/8 inch in diameter, 3 inch in width and 7 inch in length, proper for 3 x 3 inch square, suitable size can meet your different fastening needs, please check the size before ordering

S$ 37.71
Best Value
03

Moicstiy

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Moicstiy 4 Sets M6 U Bolts 1 Inch Wide, Round U-Bolts with Frame Plates, Nuts, and Washer, Zinc Plated Steel U Clamp for Trailers, Boats (25 mm x 70 mm
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide application: M10 U-bolt is used to fix or attach the locking parts to the pipe, wood, and more, suitable for the connection of ships, trailers, industrial steel structure pipes.
Package contents: The package includes 4 sets M6 round U-bolts (including round bolts, nuts, washers and frame plates), the total length of u-bolts is 25 mm(1 inch), the inner width is 70 mm(2-3/4 inch).
Material: This round bend U clamp is made of steel and galvanized surface, not easy to deformation, corrosion resistance and rust resistance, can be used outdoors for a long time.
Load capacity: U-shaped bolt of steel structure, using bending molding processing technology, high hardness, good tensile strength, high bearing capacity, can be used to fix pipes, plates, practicability.
Easy installation: Just fix the U-bolt to the part to be fixed, then install the washers, and finally tighten the nuts at both ends to complete the installation, the installation is very convenient.

S$ 22.24
04

BokWin

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BokWin 4 Pcs Round U Bolts M6 Bend U Bolts in Zinc Plated Steel U Clamp with Nut, Plate, Washer(23mm Inner Width 120mm Length)
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

U-Shaped Design: this Steel construct u bolt adopts U-shape design, and the thread is clear and the screw mouth is even, which can effectively tighten the bolt, and the item is not easy to be loose and fall off.
Size: u bolt inner diameter is 23mm/0.91" wide, length is about 120mm/4.72". Plate 1.97" x 0.71"(L*W),round washer OD 0.71",nut 0.39" x 0.2"(R*H).
Package Ccontains: You will get 4 pcs of u bolts, 4 pcs of u bolt spacers, 8 pcs of hexagonal nuts. Sufficient quantity to meet your daily needs.
Material: This u bolt is made of high quality galvanized material, which is not easy to rust, and the surface is processed, smooth and burr-free. Good strength and durable.
Application: Our this u bolt is suitable for connecting and fixing products to pipes, wood, etc., widely used in ships, pipelines or other industrial uses.

S$ 9.48
05

ZONADAH

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ZONADAH 4 Pack M5 78x36mm Round Curved 304 Stainless Steel U Bolt with Plate Nut Accessories U Bolt U Brackets for Boat Hardware Automotive Plumbing Household and Industrial
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

**Wide range of applications: ** U-bolts are mainly used for fastening and securing and are suitable for a variety of applications from securing pipelines to securely connecting fixed components.
**SMOOTH & STURDY:** With a smooth, burr-free surface, these U-bolts provide a secure and sturdy mounting solution that reduces the risk of slipping or breaking during use.
**RUST RESISTANT:** Thanks to the choice of 304 stainless steel material, these U brackets are resistant to rust and corrosion, making them ideal for use in humid environments and precision hardware applications.
**PREMIUM 304 STAINLESS STEEL:** These U bolts are carefully manufactured from high quality 304 stainless steel, providing exceptional corrosion resistance, excellent ductility and high strength.
**PRECISION MIRROR POLISHING:** The U bolts feature a precise mirror polishing process that ensures the highest accuracy, brightness and visibility. The highly polished surface not only enhances its appearance, but also provides an extra layer of protection.

S$ 24.95
06

LIONMAX

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LIONMAX 2 Pack Square U Bolt, 1/2" D x 2-1/16" W x 6-5/16"L Stainless Steel U Bolts with Plates and Nuts, Replacement Parts and Accessories for Automobiles Trailer, Ski Boat, or Sailboat Trailer
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

WIDE APPLICATIONS: These u bolts are ideal for connecting the locked parts to square beams and shafts, such as boat trailer, marine trailers and motor boats, also suitable for wood, pipe, tube, plumbing and other outdoor, home and industrial use
U-BOLTS SIZE: The square U bolts measures 1/2" in diameter, 2-1/16" in ID width, 6-5/16" in internal depth, thread length: 2.6 inch, please refer to the image dimensions and check your OD size of your project for a tight fit
SUPERIOR MATERIAL: LIONMAX ubolts are made of good quality stainless steel with high hardness, strong rust prevention and corrosion resistance, has long-lasting performance in environments like salt water, fresh water, and coastal conditions
PACKAGE INCLUDES: The set includes 2 square u bolts , 4 hex nuts and 2 mounting plates, fully equipped to meet your use and replacement
CUSTOMER-FIRST SUPPORT: If you have any questions or dissatisfaction with the product, please feel free to email us at any time and we will try our best to serve you in 24 hours

S$ 34.92
07

Xiyaxin

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M6 U Bolts 2-3/8 Inch Wide, Round U-Bolts with Frame Plates, Nuts, and Washer, Zinc Plated Steel U Clamp for Trailers, Boats
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide application: M6 U-bolt is used to fix or attach the locking parts to the pipe, wood, and more, suitable for the connection of ships, trailers, industrial steel structure pipes.
Package contents: The package includes 4 sets M6 round U-bolts (including round bolts, nuts, washers and frame plates), the total length of u-bolts is 60 mm(2-3/8 inch) the inner width is 110 mm(4-5/16 inch).
Material: This round bend U clamp is made of steel and galvanized surface, not easy to deformation, corrosion resistance and rust resistance, can be used outdoors for a long time.
Load capacity: U-shaped bolt of steel structure, using bending molding processing technology, high hardness, good tensile strength, high bearing capacity, can be used to fix pipes, plates, practicability.
Easy installation: Just fix the U-bolt to the part to be fixed, then install the washers, and finally tighten the nuts at both ends to complete the installation, the installation is very convenient.

S$ 25.49
08

Zorveiio

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Zorveiio 4 Pcs Round U Bolts M6 U Clamp Bolts with Nuts and Frame Plates(22mm/0.87In Inner Width 70mm/2.76In Length)
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Application: Our galvanized u bolts can be used to connect and fix products to pipes, wood, etc, widely used in industry, manufacturing, automotive industry to shipbuilding, etc.
What You Get: You'll get 4 u-bolts, 4 u-bolt spacers, 8 hex nuts and 8 washers. Plenty for your everyday reinforcement parts and replacement needs.
Quality Material: Our round u-bolts are made of high quality galvanized material, which can resist rust and corrosion, won't deform or crack easily, and have a long service life.
Easy To Install: The product comes with a full range of accessories to make your installation time-saving. The U-shaped design with precise threads provides excellent grip and secure fastening for round objects.
Dimensions: U Clamp is 70mm/2.76 inches in total length and 22mm/0.87 inches in inner width. The thread diameter is 6mm. Please double check the size before purchasing to ensure proper fit.

S$ 14.23
09

uxcell

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uxcell Round U-Bolt 0.98"(25mm) Inner Width 70mm Length Steel M6 with Nut, Plate, Washer 8 Sets
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Thread Dia.: M6; Fit Rod Size: 25mm / 0.98"; Rod Diameter: 5.2mm / 0.2"; Total Length: 70mm / 2.76"
Round Washers Size: 18 x 6 x 1mm / 0.71" x 0.24" x 0.04"(OD*ID*T); Package Content: 8 x U-Bolt, 16 x Nuts, 16 x Round Washers, 8 x Plates
Hex Nut Size: 10 x 5mm / 0.39" x 0.2"(Hex Width*H); Frame Plate Size: 50 x 18 x 2mm / 1.97" x 0.71" x 0.08"(L*W*T)
Great steel construct, galvanized surface treatment, bending forming processing technology with great performance in antirust and corrosion resistance.
Application: Used to fix or connect the locked parts to pipes, wood, etc. Suitable for boats, plumbing, and other home and industrial applications.

S$ 30.78
10

Jersvimc

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Jersvimc 2Pcs Stainless Steel Square U-Bolt Clamp M8x40x65mm - (Thread Size x Inner Width x Length), Mini Metal U Bolts Pole U Bolt Brackets for Camper Trailer Marine Boat
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

5️⃣[100% Satisfaction Guarantee]: Jersvimc is committed to bringing a pleasant shopping experience to all customers. If anything happens to the product, please feel free to contact us. We solve the problem for you 24 hours a day, you can replace the defective product or return it for a refund within 30 days.
4️⃣[ Multi-purpose ]: The square u blot bracket is easy to install and can be widely used in a variety of scenarios. For example, fixed tubular objects such as water pipes or sheets, automobile leaf spring construction and installation, mechanical fittings connection, vehicles, ships, bridges, tunnels, railways, etc.
3️⃣[ Advance Design ]: The square u-bolt clamp adopts a U-shaped design. U-shaped bolts are commonly used metal expansion screws. The expansion screw wedge has the grip of the friction angle, which promotes expansion and achieves a fixed effect.
2️⃣[ High-quality Material ]: The square bolt is made of high-standard 304 stainless steel, which is durable, anti-corrosion, anti-rust, and wear-resistant. When buying, be sure to pay attention to the suitable diameter of the thread and the width of the bayonet to ensure a pleasant shopping experience.
1️⃣[ What You Get ]: 1pcs square u-bolt clamp with nuts, frame plate and washers. Among them, the thread diameter is M8, 5/16 inch / 8mm; the width of the bayonet is 1.57 inch / 40mm; the overall length is 2-9/16 inch / 65mm.

S$ 25.66