Dowel Pin

Dowel Pin, also known as Parallel Dowel Pin, Hardened Dowel Pin, Locating Pin, Alignment Pin or Precision Pin, is a cylindrical pin used for accurate positioning, alignment and location of machine parts. It is commonly used in machinery, moulds, dies, jigs, fixtures, tooling, precision assemblies, machine frames, covers, plates and industrial repair applications.

Unlike bolts or screws that are mainly used for clamping, dowel pins are mainly used for location and alignment. They help two or more parts return to the same position during assembly, maintenance or repeated removal. This makes them important for applications where accuracy, repeatability and proper fitment are required.

Dowel Pin is commonly used in drilled or reamed holes. The pin provides a precise locating reference between mating parts, helping to control movement, misalignment and assembly error in mechanical systems.

Material:

• Harden Steel

Dimensions:

Key Features:

• Precision cylindrical pin for alignment, locating and positioning
• Also known as parallel dowel pin, hardened dowel pin, locating pin or alignment pin
• Harden Steel material suitable for machinery, tooling and industrial applications
• Helps provide accurate and repeatable part location
• Suitable for drilled or reamed hole installation
• Useful for moulds, dies, jigs, fixtures and mechanical assemblies
• Helps reduce assembly misalignment in selected applications
• Suitable for machine repair, replacement, maintenance and production assembly
• Practical for industrial users who need repeatable positioning and mechanical accuracy

Applications:

Dowel Pin is commonly used in:

• Machinery part alignment
• Mould and die assembly
• Jig and fixture positioning
• Tooling plate location
• Machine frame and cover alignment
• Precision mechanical assemblies
• Gearbox, pump and motor component location
• CNC machine and production equipment
• Metal fabrication and workshop repair
• Equipment maintenance and replacement
• Factory maintenance and MRO work
• General commercial and industrial mechanical applications

Common Related Names

Parallel Dowel Pin

• Used when the pin has a straight cylindrical body for precision alignment.

Hardened Dowel Pin

• Used when the pin is made from hardened steel for wear resistance and mechanical durability.

Locating Pin

• Used when the main function is to locate parts accurately during assembly.

Alignment Pin

• Used when the pin helps keep two or more parts aligned.

Precision Pin

• Used when the pin is selected for accurate fitment and repeatable positioning.

Why Choose Our Dowel Pin

Choosing the correct Dowel Pin is important for alignment accuracy, hole fitment, wear resistance and long-term assembly reliability. The pin should match the diameter, length, tolerance, material, hole size, mating part design and application requirement.

Harden Steel Dowel Pin is a practical option for machinery, moulds, dies, jigs, fixtures, tooling plates, machine frames, equipment covers and industrial mechanical assemblies. Harden steel construction helps improve durability in selected positioning and alignment applications.

The main advantage of a dowel pin is repeatable location. When machine parts need to be removed and installed again, dowel pins help the parts return to the same position. This is important for mould bases, die sets, fixture plates, machine covers, precision equipment and mechanical assemblies where alignment matters.

Dowel pins are different from normal screws because they are not mainly designed for tightening. Screws clamp parts together, while dowel pins locate parts accurately. In many assemblies, both screws and dowel pins are used together: the dowel pin controls alignment, and the screw provides clamping force.

For best performance, the hole should be prepared correctly, usually by drilling and reaming according to the required fit. For high-load, high-precision, safety-related or critical machinery applications, pin tolerance, hole tolerance, interference fit, material hardness and assembly design should be checked by a qualified person or project specification.

We supply Dowel Pin for machinery users, factories, maintenance departments, mould and die users, jig and fixture makers, tooling workshops, automation machine builders, equipment manufacturers, metal fabricators, engineering companies, CNC machine users, pump service teams, motor repair teams, gearbox service users, workshop users, hardware resellers and industrial customers in Selangor, Kuala Lumpur and across Malaysia, including Klang, Shah Alam, Puchong, Petaling Jaya, Subang, Port Klang, Balakong, Cheras, Kajang, Rawang, Semenyih, Ampang, Banting, Putrajaya, Cyberjaya and Seremban.