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Dowel Pin

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Dowel pins are precision-engineered components made from hardened steel or stainless steel, designed to maintain accurate alignment between two or more machine parts. They are typically smooth, round, and available in various diameters and lengths.

They are widely used in mechanical engineering, automotive assemblies, tool and die setups, and fixture construction. The smooth finish and exact dimensions of dowel pins make them ideal for repeatable and high-accuracy assembly operations.

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Key Attributes
  • Type Solid Cylindrical Alignment Pin
  • Material Stainless Steel / Alloy Steel / Hardened Steel
  • Diameter Range 2 mm to 25 mm
  • Length Range 6 mm to 120 mm
  • Hardness 55 – 62 HRC (for hardened steel types)
  • Corrosion Resistance High (Stainless Steel Type)
  • Temperature Resistance Up to 250°C (Stainless Steel Variant)
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Spring Dowel Pins are hollow, cylindrical metal pins with a longitudinal slot along their body. This slot allows the pin to compress slightly when inserted into a hole and then expand to exert a constant radial force.

These pins are used to align, join, or secure mechanical components, especially where shock absorption or vibration resistance is required. Unlike solid dowel pins, spring dowel pins can accommodate slight variations in hole size and allow easier assembly and disassembly.

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Key Attributes
  • Type Slotted / Tension / Compression Pin
  • Material Spring Steel / Stainless Steel (AISI 302, 304, 420)
  • Grade AISI 302 / AISI 304 / EN42J
  • Diameter Range 1.5 mm to 25 mm
  • Length Range 6 mm to 120 mm
  • Hardness 44 – 52 HRC
  • Tensile Strength Up to 1200 MPa
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Stainless Steel Dowel Pins are solid cylindrical fasteners made from high-grade stainless steel, designed to provide precise alignment and secure positioning of assembled parts.

These pins are non-threaded and typically have chamfered ends to facilitate easy insertion into pre-drilled holes. Made from materials like AISI 304, 316, or 420 stainless steel, they offer excellent resistance to rust, moisture, and chemical exposure, making them suitable for both indoor and outdoor applications.

 

Their smooth, polished surface ensures a snug fit and stable connection between mating parts, preventing misalignment or movement under stress.

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Key Attributes
  • Product Name Stainless Steel Dowel Pins
  • Type Solid Cylindrical Alignment Pin
  • Material Stainless Steel (AISI 304 / AISI 316 / AISI 420)
  • Grade AISI 304 – Non-magnetic, corrosion-resistant; AISI 316 – Marine-grade; AISI 420 – Hardened, magnetic
  • Diameter Range 2 mm to 25 mm
  • Length Range 6 mm to 120 mm
  • Tolerance h6 / m6 (as per ISO / DIN standards)
  • Finish Type Polished / Ground / Mirror Finish
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Thread Dowel Pins are specialized dowel pins featuring a threaded hole at one or both ends, designed for precise alignment, positioning, and secure fastening of machine components.

These pins are typically made from hardened steel, alloy steel, or stainless steel, ensuring high strength, wear resistance, and durability under mechanical loads. They are widely used in precision assemblies, mold bases, tooling fixtures, and heavy machinery where accurate positioning and frequent disassembly are required.

 

The threaded design makes them ideal for applications where tight fits are necessary, but occasional removal and replacement are also expected.

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Key Attributes
  • Type Internally Threaded Alignment Pin
  • Material Alloy Steel / Hardened Steel / Stainless Steel (AISI 304, 316, 420)
  • Grade AISI 304 – Non-magnetic, corrosion-resistant; AISI 420 – Hardened, magnetic; EN8 / EN31 – High strength
  • Diameter Range 3 mm to 25 mm
  • Length Range 10 mm to 150 mm
  • Thread Type Metric (M3–M12) / UNC (available on request)
  • Tolerance h6 / m6 (ISO / DIN standard)
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Flat Head Pin M10×25 with Hole is a durable fastener for industrial and mechanical applications. The hole allows insertion of cotter pins or safety clips for secure locking. Available in standard M10×25 size for versatile use.

Flat Head Pin M10×25 with Hole is designed for secure fastening and alignment in industrial assemblies. It is made from high-quality material for strength and corrosion resistance. The hole allows cotter pins or locking clips to prevent accidental removal. The flat head provides stable positioning and load distribution. Precision manufacturing ensures consistent diameter and length. Suitable for machinery, automotive, and structural applications. Available in standard M10×25 size for easy integration. Provides reliable performance in demanding environments.

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Key Attributes
  • Product Type Flat Head Pin
  • Material Carbon Steel / Stainless Steel
  • Grade EN8 / SS 304
  • Pin Diameter 10 mm
  • Pin Length 25 mm
  • Head Diameter 20 mm
  • Head Thickness 5 mm
  • Hole Diameter 4 mm
  • Shank Diameter 10 mm
  • Shear Strength 450 MPa
  • Tensile Strength 620 MPa
  • Surface Finish Plain / Zinc Plated
  • Corrosion Resistance 96 Hours Salt Spray
  • Operating Temperature Range −40 °C to 600 °C
  • Application Thickness Range 6–15 mm
  • Weight Per Piece 28 g
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Copper Split Pin is a durable fastener for industrial and mechanical applications. It provides secure locking by preventing nuts or bolts from loosening. Available in multiple sizes for versatile use.

Copper Split Pin is designed for secure locking in industrial and mechanical assemblies. It is made from high-quality copper for strength, flexibility, and corrosion resistance. The split design allows easy insertion through drilled holes in bolts or shafts. It locks nuts or components in place to prevent accidental loosening. Precision manufacturing ensures consistent diameter and performance. Suitable for machinery, automotive, and structural applications. Available in multiple sizes to meet project requirements. Provides long-lasting and reliable fastening performance.

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Key Attributes
  • Material Composition 99.9% Copper
  • Pin Diameter 2 mm
  • Pin Length 25 mm
  • Head Diameter 5 mm
  • Split Leg Length 22 mm
  • Tensile Strength 210 MPa
  • Shear Strength 180 MPa
  • Operating Temperature Range −40 °C to 200 °C
  • Corrosion Resistance 100% Rust Resistant
  • Weight Per Piece 3 g
  • Installation Type Manual Fit
  • Reusability Cycles Up To 5 Uses

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