The right nut and bolt supply depends on whether you need a broad assortment, SAE or metric sizing, stainless steel, or a dedicated coarse-thread set. The Bonost and Taiss kits cover many sizes and fastener styles, Besitu is a compact stainless-steel SAE option, and the two Titan Industrial Supply assortments focus on Grade 8 coarse-thread hardware. Compare the listed materials, size ranges, and storage formats before choosing.
| Product | Best For | Key Difference |
|---|---|---|
| Bonost 3,010-piece kit | Mixed SAE and metric needs | Four trays and multiple bolt styles |
| Taiss 3,334-piece kit | Broad workshop assortment | 39 sizes, hex and Phillips heads |
| Besitu 252-piece kit | Common SAE projects | 304 stainless steel |
| Titan 1,275-piece metal drawer assortment | Coarse-thread Grade 8 hardware | Metal drawer and four listed diameters |
| Titan 1,275-piece yellow zinc kit | Grade 8 coarse-thread replenishment | Yellow zinc finish |
Bonost 3,010-Piece Nuts and Bolts Kit
Best for: Buyers who need a wide mix of SAE and metric fasteners in one organized kit. The assortment includes SAE Phillips-head bolts, metric Phillips-head bolts, and metric hex bolts, along with matching nuts and washers. The listed metric sizes include M3, M4, M5, M6, and M8.
The carbon-steel components have a zinc coating, which the product information describes as protection against rust and corrosion. Four stackable plastic trays and a fastener guide support storage and identification. It was selected for its large piece count, multiple head styles, and coverage of both measurement systems.
Limitation: The listing describes several groups of metric and SAE fasteners, but shoppers should consult its size guide to confirm a particular length or thread is included.
Taiss 3,334-Piece SAE and Metric Kit
Best for: Workshop users who want many sizes and both Phillips-head and hex-head bolts. Taiss lists 39 sizes across SAE and metric hardware, including M3 through M8 and common SAE sizes such as 1/4-20, 5/16-18, and 3/8-16. The kit includes matching nuts and lock washers.
The listed components are carbon steel with a galvanized surface and zinc coating. The product description identifies furniture, machinery, household DIY, and vehicle maintenance among potential uses. Its broad size and head-style mix makes it a flexible choice for people who regularly handle varied repair tasks.
Limitation: This is a large assortment, so it may be more hardware than needed for a single small repair. Check the size breakdown before purchase to ensure the required fastener is included.
Besitu 252-Piece Stainless Steel Kit
Best for: Buyers seeking a smaller SAE assortment made from 304 stainless steel. The kit lists ten sizes in 1/4-20, 5/16-18, and 3/8-16 threads, with bolts, nuts, and washers. Bolt lengths vary by size, and the components are described as fully threaded.
Besitu includes a case with a size chart, which can help users return hardware to the correct compartment. The stainless-steel material and stated corrosion resistance distinguish it from the zinc-coated carbon-steel assortments in this list. Choose it if the listed SAE sizes fit your project and you prefer stainless steel.
Limitation: It does not offer the broad metric coverage or piece count of the larger kits. Confirm the exact listed diameter, thread, and length before ordering.
Titan Grade 8 Coarse-Thread Metal Drawer Set
Best for: Buyers who want a dedicated SAE coarse-thread assortment stored in a heavy-duty metal drawer. The 1,275-piece set includes hex cap screws, hex nuts, lock washers, and flat washers. Its listed diameters are 1/4, 5/16, 3/8, and 1/2 inch.
This option was selected for shoppers who prefer a focused assortment rather than a mix of SAE and metric hardware. Its included washer types can be useful when a project calls for more than just bolts and nuts, while the metal drawer provides a fixed storage format.
Limitation: The listed sizes are limited to four diameters and coarse threads. Check the product’s detailed size breakdown for the specific bolt lengths required.
Titan Grade 8 Yellow Zinc Bolt and Nut Kit
Best for: Buyers looking for a 1,275-piece Grade 8 coarse-thread assortment with a yellow zinc finish. The listed contents include hex cap screws, hex nuts, SAE flat washers, and SAE lock washers. The stated diameter range is 1/4, 5/16, 3/8, and 1/2 inch.
Compared with the other Titan assortment here, this listing specifically identifies a yellow zinc finish. It is a relevant choice when the priority is a focused Grade 8 coarse-thread set and that finish matches the project’s requirements.
Limitation: The supplied product details do not specify a storage case or individual bolt lengths. Review the full size list before choosing it for a particular repair.
Buying Guide: How to Choose a Nut and Bolt Assortment
Do you need SAE, metric, or both?
Start by identifying the measurement system and thread size required by your project. SAE sizes are expressed in inch-based measurements, while metric fasteners use millimeters and labels such as M4 or M8. Mixed kits such as Bonost and Taiss offer both systems; Besitu and the Titan sets focus on SAE hardware. Do not assume a similar-looking bolt will fit: match the thread diameter, pitch, and length to the application.
Which material and finish suit the job?
Besitu lists 304 stainless steel and describes its kit as corrosion resistant. Bonost and Taiss list carbon steel with zinc or galvanized coatings. The Titan black-drawer assortment specifies Grade 8 coarse-thread fasteners, while its other set lists Grade 8 hardware with a yellow zinc finish. Compare the stated material and finish with the project environment and requirements.
How much variety and storage do you need?
A large assortment can reduce trips to source individual fasteners, but only if it includes the sizes you actually use. Check the complete size chart and quantities. A divided case or drawer can make sorting easier; the products here include plastic trays, a case with size charts, or a metal drawer depending on the kit. Consider available storage space and how often you use the hardware.
Frequently Asked Questions
What should I check before buying a bolt assortment?
Confirm the measurement system, thread diameter and pitch, bolt length, head style, material, and included nuts or washers. Match these details to the project’s requirements.
Is a metric bolt interchangeable with an SAE bolt?
No. Metric and SAE threads use different measurement systems and may not fit the same threaded opening. Use the system and thread specifications required by the equipment or project.
Which kit includes stainless steel fasteners?
The Besitu 252-piece assortment lists 304 stainless steel bolts, nuts, and washers in ten SAE sizes.
Which options include both SAE and metric fasteners?
Bonost and Taiss list both SAE and metric assortments. Check each product’s size breakdown for the exact fastener dimensions you need.
Do these assortments include washers?
Yes. Each product description lists washers, though the types vary. Bonost includes matching washers and locking washers in its groups; Besitu lists washers; and the Titan sets list flat and lock washers.