Stainless Steel Countersunk Bolts
Used in marine, medical, and architectural projects for corrosion resistance and flush finishing in exposed surfaces.
Minimum Order : 300
Customization as per requiments
Size | 20*20 |
Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
Length | 100mm |
Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
Delta Fitt Inc is the top Countersunk Bolts Manufacturer, delivering flush-head fasteners designed for smooth surface alignment and reliable mechanical grip. These bolts are ideal for applications requiring flat or streamlined assemblies, such as aerospace, furniture, and precision equipment. Made from stainless steel, carbon steel, and alloy steel, they offer strong tensile performance and corrosion resistance. Surface finishes include plain, zinc-plated, and black oxide to match varied environmental and visual needs, ensuring durability and seamless fitting.
We offer products that meet DIN 7991, ISO 10642, and ASTM F835 standards. Our bolts undergo full dimensional inspection, thread integrity checks, and torque testing to maintain quality benchmarks. We provide custom head angles, drive types, and threading options tailored to B2B industrial requirements. With accurate packaging, heat marking, and logistical coordination, we ensure dependable delivery for bulk supply, large construction, and engineering projects worldwide.
Used in marine, medical, and architectural projects for corrosion resistance and flush finishing in exposed surfaces.
Preferred in structural, automotive, and heavy machinery for their high strength and low cost.
What are Countersunk Bolts used for in industry?
Countersunk Bolts are essential in applications where a flat or level surface is required after installation, such as in furniture manufacturing, aircraft construction, and machine covers. Their conical head allows them to sit flush with the material surface, minimizing interference with adjacent components. This improves safety, design aesthetics, and mechanical performance where exposed bolt heads are not ideal.
Which standards do Countersunk Bolts conform to?
These bolts are commonly produced as per DIN 7991, ISO 10642, and ASTM F835 standards. These guidelines define parameters such as head angle, thread pitch, tensile strength, and material hardness. Manufacturers ensure compliance through physical testing, thread gauging, and visual inspections to guarantee their performance in load-bearing and secure-fit installations across industries.
What is a Countersunk bolt?
A countersunk bolt is a type of bolt designed with a conical head that allows it to be recessed into a countersunk hole, so that the head sits flush with the surface of the material it is fastening. This creates a smooth, flat surface where the bolt head doesn't protrude, making it ideal for applications where aesthetics or avoiding snagging are important.
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