Custom Round Head Threaded Guide Pins

HETAI Manufacturing specializes in the production of Custom Round Head Threaded Guide Pins, precision-machined components designed for positioning, guiding, alignment, and threaded fastening in mechanical assemblies. Featuring a smooth cylindrical guide section, a rounded head, and a precision-machined threaded section, these custom pins can be manufactured according to customer drawings, samples, and application requirements.

What is the round head threaded guide pins?

A Round Head Threaded Guide Pin is a precision-machined locating and fastening component that combines a smooth cylindrical guide section with an external threaded section and a round or dome-shaped head.

The smooth shank provides accurate guidance and positioning, while the threaded end allows the pin to be securely installed into a tapped hole or threaded component. The rounded head can provide a finished appearance, controlled contact, or a suitable bearing surface depending on the application.

HETAI can customize the head shape, shank diameter, thread length, overall length, and other critical dimensions.

Round Head Threaded Guide Pins

What is the round head threaded guide pins used for?

These guide pins are primarily used for accurate positioning, alignment, guiding, and retention of mechanical components.

The combination of a precision guide shank and threaded end allows one component to be accurately positioned while being securely attached to another component.

They are particularly useful where a standard bolt or screw cannot provide the required guidance and positioning accuracy.

How doesthe round head threaded guide pins used for work?

The threaded section is installed into a corresponding tapped hole or threaded insert, securing the guide pin in the assembly.

The smooth cylindrical section then acts as a locating or guiding surface for a mating component. Its controlled diameter can help maintain alignment and reduce unwanted movement between components.

The round head provides a defined end surface and can also be customized to suit the surrounding assembly.

For precision applications, HETAI can control the guide diameter, concentricity, straightness, and thread position according to the customer’s drawing.

What materials are available?

HETAI can manufacture Custom Round Head Threaded Guide Pins from a wide range of materials, including:

Stainless Steel – 303, 304, 316, 316L
Carbon Steel
Alloy Steel
Brass
Aluminum
Titanium and titanium alloys
Other customer-specified materials

Material selection can be based on strength, corrosion resistance, weight, wear resistance, operating temperature, and application environment.

What is the size range for the round head threaded guide pins?

Because this is a custom-machined component, dimensions can be manufactured according to customer drawings rather than being restricted to a single standard size.

Typical customizable dimensions include:

Thread diameter: approximately M2–M32
Overall length: approximately 5–300 mm
Guide/shank diameter: customized according to application
Thread length: customized
Head diameter: customized
Head height: customized

For larger or longer components, HETAI can evaluate the drawing and recommend an appropriate machining process.

What tolerances can be achieved?

The achievable tolerance depends on the material, dimensions, geometry, production volume, and machining process.

For precision CNC-machined guide pins, HETAI can typically achieve:

General dimensional tolerance: ±0.05 mm
Precision dimensions: ±0.02 mm
Critical machined dimensions: ±0.01 mm or tighter, subject to drawing requirements and production feasibility

For critical applications, tolerances for guide diameter, concentricity, perpendicularity, straightness, and thread position can be specified separately on the engineering drawing.

What surface treatments are available?

HETAI provides a variety of surface treatments to improve corrosion resistance, wear resistance, appearance, or surface performance.

Available options include:

Zinc plating
Nickel plating
Chrome plating
Black oxide
Dacromet
Passivation
Anodizing
Electrophoretic coating
Polishing
Brushing
Other customer-specified finishes

Stainless steel guide pins can also be supplied with natural, passivated, polished, or other specified surface conditions.

What thread standards are available?

HETAI can manufacture threaded sections according to various international standards, including:

Metric threads: ISO / DIN
Unified threads: UNC / UNF
American National threads: ANSI/ASME
British threads: BS / BSW / BSF
Japanese standards: JIS
Other customer-specified thread standards

Thread diameter, pitch, tolerance class, thread length, and thread direction can be customized according to the technical drawing.

What’s the main process for manufacturing a round head threaded guide pins?

For this round head threaded guide pins, HETAI’s primary manufacturing processes are CNC turning and threading.

What are the primary applications of the round head threaded guide pins?

Custom Round Head Threaded Guide Pins are suitable for a wide range of industrial applications, including:

CNC machinery
Automation equipment
Molds and tooling
Jigs and fixtures
Industrial machinery
Automotive components
Electrical equipment
Robotics
Mechanical assemblies
Precision positioning systems
Furniture and hardware
Custom engineering equipment

They are particularly useful in applications requiring repeatable positioning, component alignment, guided movement, or secure threaded installation.

What is the Minimum Order Quantity (MOQ) for round head threaded guide pins?

For the round head threaded guide pins, HETAI’s minimum order quantity (MOQ) is 1000 pcs.For the best cost-performance ratio, the minimum order quantity should ideally exceed 5,000 pcs.

What is the shortest production lead time for it?

For these round head threaded guide pins, HETAI offers a lead time of 3–5 working days. Based on a minimum order quantity (MOQ) of 1,000 pcs, the fastest production lead time can be 1–3 working days.