Heavy-Duty Screws Available in Bulk

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Bolts

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Bolts

We provide a wide range bolt from experienced satellite factories, inspection by our quality control department to ensure the best quality.

Specification

  • Material: Class 4.6 ~ Class 12.9, carbon steel, stainless steel, alloy steel
  • Standard: DIN, IFI, JIS
  • Popular: DIN127, DIN571, DIN 603, DIN912, DIN913, DIN916 ,DIN931, DIN933, DIN934, JIS 1180

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Bolts | Fasteners for Every Job | Industrial Screws with Global Delivery – ScrewBoss

Upgrade your next project with Bolts from Boss Precision Works Co., Ltd.—ISO9001-certified and engineered for performance in every application. Whether you need fast, clean installation for metal, wood, or concrete, our self-drilling and self-tapping screws deliver superior grip and long-lasting durability. Every batch is quality-checked and ready for urgent or high-volume orders.

Choose from a wide range of fasteners tailored for construction, fabrication, roofing, and decking—available in stainless or carbon steel. Need custom coatings or head painting? We’ve got you covered. Trust BOSS for eco-friendly, high-precision screws that help you finish jobs faster and smarter, with guaranteed global delivery.

With over 21 years of industry expertise, BOSS is your direct OEM/ODM partner for custom fastening solutions. Request free samples, get a fast quote, or consult our experts today—discover why professionals worldwide rely on BOSS for quality they can count on.

Hot Products

Stainless Steel Screw

Stainless Steel Screw

BOSS provide high quality of Stainless Steel screws which made in Taiwan. Stainless steel is the best at protecting screws from corrosion.Our company are able to offer 302, XM7, 304, 305 & 316 which can be used...

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Self-Drilling Screw

Self-Drilling Screw

Self-Drilling screws are designed to drilling through the hard surface object without drilling holes. BOSS manufactures with variety Self-Drilling screws and Drill points with #1 through #5. The dill point...

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Eco-Friendly Coating Screw

Eco-Friendly Coating Screw

BOSS is experienced and knowledgeable in surface coating screws, provide various types of coating service to meet customers' needs. Our company attach importance to environmental pollution in recent years,...

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