10 Best socket cap screws in Singapore

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Last Updated - 04/09/2025

Best Choice
01

DIVANC

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DIVANC Metric Screw Assortment, 2000PCS Metric Bolt Assortment Kit M2 M3 M4 M5 Machine Screws with Lock & Flat Washers, 304 Stainless Steel Hex Socket Head Cap Screws Nuts and Bolts Kit (Silver)
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 Application] The nuts thread on the machine screws perfectly, and all the common screw sizes is typically needed for a regular household and professional mechanic, widely used in small fixtures around the house and garage, such as motors, 3D printers, rc car parts, DIYer daily repair needs, and so on
[Storage Box] Sturdy case package with size label. All the screw assortment kit are stored individually by type in a portable, transparent case for easy storage and use, thus avoiding loss or confusion during use
[Multi-size Metric Screws] The Metric Screw Assortment Kit with 4 sizes of screws M2 M3 M4 M5. Diameters: 2mm/3mm/4mm/5mm. Lenths of the thread M2: 6mm/8mm/12mm/16mm. M3: 8mm/12mm/16mm/20mm. M4: 8mm/12mm/16mm/20mm. M5: 8mm/12mm/16mm/20mm. It comes with common screw sizes and meets all demands
[Material & Workmanship] This screw assortment is made of 304 stainless steel, Higher corrosion resistance and anti-rust effect in different extreme environment. Strong solid structure and longer lifespan
[Hex Socket Head Metric Sizes] The package comes with 2000PCS M2 M3 M4 M5 metric screw assortment, nuts, lock & flat washers, and Allen wrenches. Which include kinds of 16 different sizes and lengths of common hex button head screw size to meet your multiple needs and the 4 Allen wrenches included for easy installation

S$ 42.53
Best Value
02

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
9.5

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 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$ 36.63
03

mxuteuk

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mxuteuk 1108PCS M3 M4 M5 M6 Hex Socket Head Cap Metric Screw Assortment Kit,12.9 Carbon Steel Hex Socket Head Cap Screws Bolts Nuts Kit with 4 Hex Wrench
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

【Wide Application】This screw is widely used and suitable for home, automotive, precision machinery,toys and electronic products,3D printers,electronic products and shop use,This kit has many sizes to meet all kinds of needs；
【Specifications and models】1108Pcs M3 M4 M5 M6(8mm/12mm/16mm/20mm) Hex Socket Head Cap Bolts Nuts Screws;Accord with standardized metric system and the average error is less than 0.01mm；
【Product packaging】Storage box packaging. Screws are sorted by size and stored in compartments of the box. There are explanatory drawings. Easy to identify and store.
【Product name】Black metric machine screw assortment (with Nuts/Washer/Wrenches);Screws Type: Hex Socket Head Screws；
【Good- quality material】Made of high quality 12.9 Carbon Steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties,Suitable for long-term use；

S$ 34.31
04

HELIFOUNER

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HELIFOUNER 380 Pieces M4 x 5mm /6mm /8mm /10mm /12mm /16mm /20mm, Button Head Socket Cap Screws Bolts Washers Nuts Kit, 304 Stainless Steel
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 Applications】Widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
【Tips】Products contain small parts, keep away from children and prevent inadvertent swallowed. Please keep away from kids. Whenever you need us, please free to contact us, we will give you a professional service and reply you within 24 hours.
【Sizes】M4 x 5mm /6mm /8mm /10mm /12mm /16mm /20mm button head socket cap screws with matching hex nuts, lock washers and flat washers, total 7 sizes, different sizes can meet your different needs.
【Package】380 pieces in total, packed in a durable transparent box with label. It is easy to distinguish the size of the product, when you want to use a certain screw, you don't have to waste time buying it separately, you can choose the suitable one to meet all your needs.
【Material】304 Stainless steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.

S$ 23.62
05

YOUYIDUN

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226 Pcs M5 Screws Set, Metric Bolt Assortment, Hex Socket Head Cap Bolts and Nuts and Washers Assortment Kit, Assorted Machine Screws Set(Silver)
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

Widely Used: Ideal for mechanical fields, communication equipment, electromechanical equipment, marine equipment, household appliances, transportation equipment, mechanical engineering, furniture repair, automobiles, motorcycles, and other parts fixing
Package Includes: A total of 226 pcs, sizes include: 12 pcs m5x8mmm, 10 pcs m5x10mm, 12 pcs m5x12mm, 15 pcs m5x16mm, 14 pcs m5x20mm, 14 pcs m5x25mm, 10 pcs m5x30mm, 70 pcs m5 nuts, 70 pcs m5 washers, and wrench, the quantity meets the needs of multiple scenarios
Hex Socket Head Cap Screws Bolts and Nuts Set: Hexagon socket head cap screws design, uniform force, not easy to slip, easy to install and disassemble. m5 bolts and nuts set is designed with clear threads and uniform pitch, making it less likely to deform and slide during operation
Hex Nuts and Washers: Hex nuts and wrenches can make your installation more precise, tighten better, carry greater loads, protect screws, extend service life, provide strong holding force and maximum clamping force
Exquisite Materials: m5 screws set is made of high-quality carbon steel, with exquisite workmanship, nickel plating treatment, high strength, high hardness, corrosion resistance, not easy to rust, not easy to deform and break, with long-term durability and stability

S$ 18.84
06

Sutemribor

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151 Pieces M6 Screws Nuts Washers Set, Sutemribor M6 x 8/10/12/16/20/25/30mm Button Head Socket Cap Screws Nuts Washers Assortment Kit, 304 Stainless Steel, Fully Threaded
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

√ 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: 151 pieces Sutemribor M6 x 8 /10 /12 /16 /20 /25 /30mm button head socket cap screws nuts washers are packaged in a clear plastic box, we put screws nuts washers in 10 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 M6 button head socket cap screws nuts washers kit are made of high quality 304 stainless steel, which have smooth surface, high strength, not easy to deform, corrosion resistance and rust resistance in bad environments, which can ensure a long time using.
√ Functions: Sutemribor M6 button head socket 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 (hex wrench is not included).
√ Dimension: Total 151 pieces M6 x 8 /10 /12 /16 /20 /25 /30mm button head socket cap screws with matching nuts, lock washers and flat washers, different sizes and enough quantities can meet your different daily needs.

S$ 22.74
07

Kindroufly

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Kindroufly 212 Pieces #8-32 x 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", 1-1/4", Countersunk Head Socket Cap Screws Nuts Washers Assortment Kit, 304 Stainless Steel, Fully Machine Thread
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

√【Widely Applications】: Kindroufly 212 pieces stainless steel countersunk head socket cap screws nuts washers assortment kit are widely used for printers, computers, instruments, electronic products, household appliances, lamps, cabinets and bicycle repair. If you have any questions about our products, welcome your inquiry and we will solve the problem for you in time.
√【Multi-functional Storage Box】: All Kindroufly 212 pieces stainless steel countersunk head socket cap screws nuts washers are packed in a solid transparent storage box. We put screws nuts washers in 10 grids, each size are marked with a clear label. It is very convenient for you to choose size, easy to carry and store, which can save your time and energy.
√【Kindroufly Combination】: #8-32 x 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", 1-1/4", countersunk head socket cap screws with matching hex nuts and flat washers, total 212 pieces, different sizes and enough quantities can meet your different daily needs.
√【High Quality Stainless Steel】: Kindroufly #8-32 screws kit are made of 304 stainless steel, which have smooth surface, high strength, not easy to deform, corrosion resistance and rust resistance, can ensure a long time using in bad environment like high temperature, cold weather, and high humidity areas.
√【Countersunk Head Socket Cap Screws Kit Function】: Kindroufly #8-32 countersunk head socket cap screws are precision threaded fasteners with an internal socket drive for installing in areas with limited side clearance. The internal hex drive requires a hex wrench (hex wrench is not included in the kit). They are known for their efficient application performance and endurance.

S$ 25.53
08

Sutemribor

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705 Pieces M2.5 Screws Nuts Washers Set Black, Sutemribor M2.5 x 4/6/8/10/12/16/20mm Hex Socket Head Cap Screws Nuts Washers Assortment Kit, 12.9 Grade Alloy Steel, Fully Threaded
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

√ 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: 705 pieces Sutemribor M2.5 x 4/6/8/10/12/16/20mm black hex socket head cap screws nuts washers are packaged in a clear plastic box, we put screws nuts washers in 10 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 M2.5 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 M2.5 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 (hex wrench is not included).
√ Dimension: Total 705 pieces M2.5 x 4 /6 /8 /10 /12 /16 /20mm black hex socket head cap screws with matching nuts, lock washers and flat washers, different sizes and enough quantities can meet your different daily needs.

S$ 18.52
09

MroMax

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M5 T-Nuts Screws Assortment Kit for 2020 Series Aluminum Extrusion, 271Pcs Includes (M5x8mm/10mm Black Button Head Socket Cap Screws, M5 T Sliding Nuts/T-Slot Nuts) 45Pcs Each, 90Pcs Washers
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

【Widely Application】-- Suitable for 2020 Series Aluminum Profile Extrusion. Widely used for aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robot Projects.
【Quality Material】-- T-slot nuts are made of high-quality carbon steel nickel plated; T sliding nuts are made of high-quality carbon steel galvanized; These hexagon socket screws and washers are made of high-quality 304 stainless steel, which is strong, durable, high strength and not easy to rust.
【Plastic Box Storage】-- Each package includes 270Pcs M5 Hardwares, meeting your daily needs, and comes with a transparent plastic box for storage.
【Note】-- Before placing an order, please confirm if the dimensions of the 2020 series aluminum profiles are suitable.
【271Pcs Assortment Kit】-- This set includes 90 hex socket screws (45 pcs each of M5x8mm, M5x10mm), 45Pcs M5 T sliding nuts, 45Pcs M5 T-slot nuts, 90Pcs M5 washers and 1Pc M3 black wrench for easy installation.

S$ 24.11
10

Bnnrjia

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Small Metric Screws and Nuts, 420 Pcs Hex Socket Head Cap Screws and Nuts Assortment Kits, Alloy Steel Black 3D Printer DIY Screws and Nuts for Home, Industrial
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

Wide Applications: With a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY. These small black screws and nuts are suitable for 3D printing DIY and RC car enthusiasts.
Premium Material: All small screws and nuts are made of high-quality high strength alloy steel material with high stability, which are corrosion resistance and rust resistance, sturdy, not easy to break, and durable for long time use.
Package Includes: You will receive 50 pcs m3x6 mm, 40 pcs m3x8 mm, 30 pcs m3x10 mm, 30 pcs m3x12 mm, 30 pcs m3x16 mm, 30 pcs m3x20 mm, 210 pcs m3 nuts, 1 x wrench, a total of 420 pcs. Different sizes can meet your different using.
Easy to Use: These hex socket head cap scres nuts kits are easy to use, with clear and durable threads, and comes with a related hex wrench, allowing you to easily replace lost or damaged set screws.
Easy to Store: All these small black m3 screws and nuts are packed in a sturdy and easy-to-use plastic storage box, which is not easy to mess up or mix up, and it is convenient and easy to carry and organize.

S$ 18.02