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Custom Made Screw and Bolt Assortment Sets

An fasteners assortment set is collection of various fasteners (screws, bolts, nuts, washers) organized in a case. It's designed to provide a wide range of common sizes and types for  automotive, farm, shop usegeneral repairs, DIY projects, and maintenance tasks. King Tower have got you covered with our extensive selection of bolts, nuts, screws, washers, and more include its size, material and packaging box. Contact us directly for you custom screw bolt assortment kit.

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228Pcs PC Screw Standoff Set Kit

This comprehensive 228-piece set is a custom-produced solution manufactured for a leading computer company in Canada. Designed to meet specific customer requirements, it provides all the essential hardware for professional PC assembly and maintenance. The kit includes a versatile assortment of:

  • Hex Standoffs & Spacers
  • Assorted Screws
  • Zip Ties
As a custom fasteners manufacturer, we specialize in delivering high-quality, customized hardware kits tailored to our clients' precise needs. This all-in-one set ensures efficient and secure computer builds, offering both reliability and convenience.

Self Tapping Screw with Expansion Plug Kit

As a specialist in non-standard fastener manufacturing, we custom-produced this effective self-tapping screw and expansion plug kit for secure anchoring applications.
This kit is engineered for creating robust fastenings in various materials, including concrete, brick, and drywall. The mechanism works by expanding the plug inside a pre-drilled hole, ensuring a tight and durable hold.
The screw is made of durable steel for high strength, while the expansion plugs can be custom-made in various colors, such as blue and yellow, to meet specific project identification or aesthetic requirements. We specialize in providing tailored solutions to meet unique fastener needs.

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Custom Stainless Steel Fastener Set for Raised Garden Beds

This precision fastener set was custom-produced for a manufacturer of modular metal raised garden beds and garden boxes in the United States. Engineered for durability and ease of assembly, the set includes all essential components:

  • Stainless Steel Hex Drive Screws
  • Stainless Steel Hex Cap Nuts and Hex Nut
  • Hex Washers
  • Allen Key
Crafted entirely from high-quality stainless steel, these fasteners offer superior corrosion resistance, ensuring long-lasting performance and reliability in outdoor garden environments. As a manufacturer, we specialize in creating tailored hardware solutions that perfectly meet our clients' specific application needs.

Custom M2 Screw Kit for Computer Case/Motherboard 

This custom made M2 screw set was custom-produced for a leading wholesaler of computer accessories, supporting both their online and offline retail shops. Designed specifically for securing computer motherboards to cases, the set includes essential high-quality components:

  • Phillips Steel Screws
  • Hex Standoffs
  • Plastic Washers
  • A Screwdriver
Conveniently packaged in custom blister packaging for retail appeal and component protection, this all-in-one kit ensures a secure and organized assembly process. As a manufacturer, we specialize in creating tailored fastener solutions that meet the specific needs of our clients and the end-user.
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Send Inquiry

Black Zinc Self-Tapping Screw with White Wall Plug Set

This practical fastener set was custom-produced for a wholesale distributor in Saudi Arabia. It is designed for effortless and secure hanging of items on walls, ideal for common home repairs.
The combination features a black zinc self-tapping screw and a white wall plug. The plug (anchor) expands within pre-drilled holes to provide reliable support in brittle materials such as drywall and masonry. The self-tapping screw then effortlessly drives into the plug, creating its own threads for a quick, secure, and efficient installation.
As a manufacturer, we provide tailored fastener solutions to meet the specific market needs of our global clients.

About King Tower

With 20+ years custom made experience, we offer the most reliable source for high quality fastener parts ranging from screws and bolts to CNC machining parts, stamping parts, and more.

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King Tower Hadrware FAQ

Selecting the right screw depends on several factors:

  • Material: What are you fastening? (Metal, wood or plastic)
  • Environment: Will it be exposed to moisture, chemicals, or extreme temperatures? (This affects material and coating choice)
  • Load Requirements: What kind of stress will the joint be under? (Torque, tensile, vibration)


    • 8.8 / 12.9 / A2-70

    These markings indicate the grade or property class of the fastener, which defines its strength (e.g., tensile and yield strength). For instance, on metric bolts, the number "8.8" or "12.9" is common. On SAE bolts, you'll see radial lines or numbers like "Grade 5" or "Grade 8". For Stainless Steel 304 material, you can see "A2-70" on the screw head. King Tower also can offer custom made marking on the screw head, please don't hesitate to send your demand to us.

    We can package fasteners in bulk boxes, custom-labeled poly bags, or even on spools/reels for high-volume automated applications. Please specify your packaging needs when requesting a quote.

    Start Your Project

    Get your project moving today. Contact us for a quote on a custom part, pricing, lead time, or other questions. Our team will get back to you within 1-2 hours on business days, and will be sure to route you to the best person to support your needs.

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