10 Best socket cap screws in Singapore

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Last Updated - 18/06/2025

Best Choice
01

Besitu

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Besitu 1760pcs M2 M3 M4 M5 Metric Screw Assortment, Grade 12.9 Alloy Steel Hex Socket Head Cap Metric Bolts and Nuts Kit, Black Zinc Plated and Anti Rust Metric Screw Set with 4 pcs Hex Wrenches
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 APPLICAITONS】Good assortment to have on hand for 3D printing DIY, RC hobbies, furniture, car repair and bike stand etc. Perfect gift for DIYer.
【TIME & MONEY SAVER】Great bins for storage with a size chart on the inside and outside. Compared to the time it takes to go to a hardware store and the cost of buying single metric screws, this metric screw assortment is a time and money saver.
【REUSABLE CONTAINER】Everything is sorted in separate compartments that are labeled, which is nice when you're looking for a specific size. You can also reuse the plastic container after you've used all the metric bolt and nut set.
【1760PCS METRIC SCREW ASSORTMENT】4 sizes of metric screws M2 M3 M4 M5. M2 screws: bolt length: 4mm, 6mm, 10mm, 12mm. M3 screws: bolt length: 6mm, 8mm, 12mm, 16mm. M4 screws: bolt length: 8mm, 12mm, 16mm, 20mm. M5 screws: bolt length: 12mm, 16mm, 20mm, 25mm, meet our all demands. 4 pcs customized hex wrenches for each size are provided in the kit to make the screws easier to use.
【12.9 ALLOY AND ZINC PLATED】The hardware is made of 12.9 grade alloy steel and zinc coated are designed for no corrosion with no oil face. Threads are clean and well cut. Nut fit snugly without excess movement. Washers are correctly sized for engagement.

S$ 39.41
Best Value
02

WZHUIDA

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WZHUIDA 1080 Pcs M3 Screw Assortment, M3*6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, Stainless Metric Hex Socket Head Cap Screws Nuts and Washers with Wrench
9.6

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

【Trusted and Experienced】: Our products are designed and manufactured by professional fastener manufacturers with over 15 years of industry experience. Our fasteners are widely used in aerospace, high-speed railroads, ships, automobiles, computers, furniture and other fields.
【Packing List】: This set comprises 1080 pieces of commonly used Metric Hex Socket Head Cap screws, nuts, and washers, including 40 pcs each of M3x6mm and M3x8mm. 30 pcs each of M3x10mm, M3x12mm, M3x14mm, M3x16mm, M3x18mm, and M3x20mm. 20 pcs each of M3x25mm, M3x30mm, M3x35mm, M3x40mm, and M3x50mm. 360 pcs of M3 nuts and 360 pcs of M3 flat washers.
【Multi-purpose applications】: This set is suitable for use in various DIY projects such as 3D printing, TV and projector installation, motorcycle repair, furniture repair and more, making it a perfect addition to any home or workshop. Keep the grip Keep a set of frequently used WZHUIDA screw sets on hand to make your job easier.
【Good Storage and Sorting】: All of these bolts, nuts and washers are packed in a sturdy, user-friendly plastic storage box, sorted into categories and labeled so you can quickly find the size you need. To avoid the products getting mixed up or broken during the shipping process, we made a separate package for the smaller sizes and provided a sturdy box outside the plastic box.
【Environmental Commitment】: As a socially responsible company, WZHUIDA is committed to sustainability. We have implemented a series of environmental measures to minimize our impact on the environment during the production process while providing sustainable product options.

S$ 33.82
03

Sutemribor

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Sutemribor 185 Pieces M4 Hex Socket Head Cap Screws Nuts Washers Set, 30-50mm Long Black Screws Assortment Kit, 12.9 Grade Alloy Steel, Fully Threaded
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

√ Widely Applications: Commonly used in machine assembly, especially for removable panels and parts, suitable for all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
√ Package Included: 185 pieces Sutemribor M4 x 30/35/40/45/50mm black hex socket head cap screws nuts washers are packaged in a clear plastic box, we put screws nuts washers in 5 grids, each size is marked with a clear label, which is very convenient for you to carry and use. If you have any questions, please free to contact with us and we will reply to you as soon as possible.
√ Material: Sutemribor M4 black hex socket head screws nuts washers kit are made of high quality 12.9 grade alloy steel, which have high strength, not easy to deform, corrosion resistance and wear resistance in bad environments, which can ensure a long time using.
√ Functions: Sutemribor M4 black hex socket head cap screws are commonly used in machinery, it mainly has the advantages of easy fastening, disassembly, and not easy to slip corners. The head of hex socket cap screw is round, and the middle is a recessed hexagon. It is usually used with a hex wrench.
√ Dimension: Total 185 pieces M4 x 30/35/40/45/50mm black hex socket head cap screws with matching nuts and flat washers, different sizes and enough quantities can meet your different daily needs.

S$ 21.13
04

XhjzgcTech

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1680 Pcs M2 M3 M4 M5 Metric Hex Head Bolts and Nuts and Washers Set, Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, Black Machine Screws Set
9.4

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 Uses: Widely used in household appliances, automobile assembly, product manufacturing, precision machinery industry, electronic products, communication products, lamps, toys, maintenance and other fields. Ideal for professionals, maintenance personnel, carpenters, landlords, handymen, repairmen and more.
Superb Material: The bolts and nuts kit is made of high-quality alloy steel, with exquisite workmanship, high hardness, strong and not easy to break, not easy to deform, corrosion-resistant, not easy to rust, and can maintain good performance in any environment.
Package Includes: You will receive 1680 pcs in total, size includes: 2#*5/32"(m2*4mm), 2#*1/4"(m2*6mm), 2#*3/8"(m2* 10mm), 2#*1/2"(m2*12mm), 4#*1/4"(m3*6mm), 4#*5/16"(m3*8mm), 4#*1/2"( m3*12mm), 4#*5/18"(m3*16mm), 8#*5/16"(m4*8mm), 8#*1/2"(m4*12mm), 8#*5/8 "(m4*16mm), 8#*7/8"(m4*20mm), 3/16*1/2"(m5*12mm), 3/16*5/8"(m5*16mm), 3/ 16*7/8"(m5*20mm), 3/16*1"(m5*25mm), including nuts and flat washers of corresponding size.
Hex Socket Head Cap Screws Bolts and Nuts and Washers Kit: The thread is tight and the force is uniform, it is not easy to deform and slide during rolling and installation, it can withstand greater loads, and it can ensure the stability of the installation. After installation, the whole screw cap sinks into the inside of the workpiece, which can keep the surface of the workpiece flat and beautiful.
Equipped with Nuts and Flat Washers: Hex nuts can make your installation more precise and fasten better, providing strong holding force and clamping force; washers can increase the contact area, distribute pressure, protect the nuts and bolts, and prolong the use time.

S$ 25.28
05

Romozi

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M4 50mm Screw M4-0.7x50mm Socket Head Cap Screw M3 Socket Cap Bolts Metric Stainless Steel Screws Allen Hex Drive Bright Finish Machine Thread Coarse Threa UNC, 30Pcs (M4x50-30)
9.1

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 Range】socket head cap screws can be widely used in various precision machinery and instrument industries, as well as in household and office appliances, communication equipment, power facilities, automobile and ship assembly, and other industry standard machines.
【What did you Get?】 100Pcs M3x6mm screws are packed in a transparent plastic box, easy to keep and perfect for use at home, in the office, or at work. They are very suitable for workers, hobbyists, landlords, repairmen, and other DIY professionals.
【Stainless Steel Material】M3 hexagonal socket head cap screws and bolts are made of high-quality stainless steel, which is superior to fasteners made of ordinary steel, carbon steel, and other materials. They have higher corrosion resistance and rust prevention effects.
【Screw Parameters】Socket head cap screw length: 9mm(including the head) ; thread length is 6mm(excluding the head); the pitch: 0.5mm; thread diameter:3mm; head diameter:5.5mm; head height: 3mm; driver type: 2.0mm; external finish: glossy finish; color: silver.
【 Tightening Effect 】 The M3 socket head cap screw made of 100% stainless steel can match the machine well, with uniform pitch, stable force, not easy to slip, good tightening effect, stronger bite force, long service life, less easy to damage, and more sturdy and durable.

S$ 22.42
06

HanTof

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HanTof 75PCS M6 x 10/12/16/20/30mm Flat Head Hex Socket Cap Screws Bolts, Countersunk Head Allen Hex Drive Machine Screws Set with Hex Wrenches,10.9 Grade Alloy Steel Black Oxide Finish,Fully Threaded
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 Use】: Screw assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY . The set is perfect to replace broken and missing screws.
【Type】:10.9 Grade Alloy Steel Flat/Countersunk Hex Socket Head Cap Screws Bolts. Drive Type: Hex Socket(4mm); Head Style: Flat/Countersunk Head; Exterior Finish: Black Oxide; Thread Dia.: 6mm; Pitch: 1.0mm.NOTE: ALL SCREWS ARE COATED WITH ANTI-RUST OIL!
【Package Included】: M6 x 10mm(15PCS), M6 x 12mm(15PCS), M6 x 16mm(15PCS), M6 x 20mm(15PCS), M6 x 30mm(15PCS); Total: 75PCS. come with Allen key
【High Quality Material】: 10.9 Grade alloy steel with corrosion resistant black oxide finish to ensure life-time use, these quality assortment screws for home, automotive, and shop use. They have excellent corrosion resistance, firmness, wear resistance and low temperature resistance.
【GUARANTEE】:Whenever you need us, please contact us by email or Q&A. Satisfaction guaranteed. if not satisfied with the product Money back or exchange, please rest assured to buy.

S$ 17.25
07

cSeao

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cSeao Baby Bed Crib Screws Hardware Replacement Kit, 25-Set M6x40mm/ 50mm/ 60mm/ 70mm/ 80mm Hex Drive Socket Cap Screws Barrel Nuts Assortment Kit for Beds Headboards Chairs Furniture
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

Usually used for baby bed, table, chair, crib, cot, or workbench, headboards, cabinets, cupboards, other furniture.
Package: 25 * Bolts, 25 * M6 Barrel Nuts , with one clear plastic storage box;
Name: Furniture Bolts Barrel Nuts Kit;
Include M6 x40mm, M6 x 50mm, M6 x60mm, M6 x 70mm, M6 x 80mm Furniture Bolt Hex Head;

S$ 19.81
08

Glarks

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Glarks 510Pcs M3 M4 M5 304 Stainless Steel Allen Hex Drive Button Head Socket Cap Bolts Screws Assortment Kit
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

☛4. Product Feature: Button head socket cap screws which head is smooth and artistic, can be used on the surface of the object directly
☛3. Package Include:Different size of M3 M4 M5 screws and nuts total 510pcs in a clear box which are commonly used size, easy to use and install
☛2. Product Material: Made of superior 304 Stainless Steel, hard and durable, can prevent rust and corrosion
☛1. Product Type: Allen hex drive button head socket cap bolts screws

S$ 27.81
09

YGTGZ

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M4x20 Socket Head Cap Screws Metric, Allen Socket Drive, Stainless Steel 304, Full Thread, Bright Finish, Machine Thread (50 Pcs)
8.5

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 Diameter: 4 mm; Pitch Size: 0.7 mm; Screw Length: 20 mm.
The socket head cap screws are 100% stainless steel 304 which offers a high level of chemical and corrosion resistance.
System of Measurement: Metric; Specification: DIN 912; Drive Type: Allen Hex Socket 3 mm; Color: Plain Finish.
Socket Head Cap Screws are great to have around for use in wood and wet environments.
Package Included: 20 x Socket Head Cap Bolts/Screws (M4-0.7 x 20).

S$ 19.31
10

QOOSIKICC

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1065 Pcs M2 Screw Assortment, M2 Bolts and Nuts Kit, M2 Hex Socket Button Head Cap Screws and Nuts and Washers Set, Metric Machine Screw Assortment Kit (1065, M2)
8.3

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

Widely Used: Ideal for offices, factories, homes, and workshops, used in mechanical fields, communication equipment, electromechanical equipment, household appliances, engineering machinery, automobiles, motorcycles, etc
Package Includes: You will receive a total of 1065 pieces, including sizes of m2 x 4mm/6mm/8mm/10mm/12mm/16mm/20mm/25mm, and washers and hex nuts of corresponding sizes, 1 x Allen wrench, to meet daily use
Hex Socket Button Head Cap Screws and Nuts and Washers Set: Round head hexagonal design, large head contact area, more balanced force. This design makes it effortless to tighten the m2 bolts and nuts kit in narrow areas
Exquisite Materials: M2 nuts and bolts assortment kit is made of high-quality carbon steel, which is hard, strong, thick, corrosion-resistant, scratch-resistant, not easy to rust and break, and has long-lasting durability and stability
Easy to Install: M2 screws set has even and smooth threads, clear texture, balanced use, and good tightening effect. Equipped with an Allen wrench, it is not easy to slip out during use and has a better tightening effect

S$ 19.37