555mm Pull Rod 1/2-13UNF Thread - Vertex

Take advantage of a combination of precise thread compatibility and a compact overall length for dependable tool retention and stable machining. Benefit from clear identification via the SKU and GTIN and order directly through Metav Werkzeuge or consult our specialists for compatibility checks.

Draw bar VDR-NT303-A — 1/2-13UNF thread, 555 mm, Vertex

A draw bar VDR-NT303-A designed to secure tooling in conventional machining and toolholding assemblies, offering a standard 1/2-13UNF interface for common spindle fittings

• 1/2-13UNF thread interface
• 555 mm overall length
• 0.9 kg compact mass
• SKU VDR-NT303-A for quick identification

Enhanced process reliability through secure clamping

The primary advantage of a correctly specified draw bar lies in consistent retention force and repeatable tool positioning. With its 1/2-13UNF thread and fixed 555 mm length, this component reduces variation at the spindle interface and supports steady machining cycles. Clear specification of the thread type simplifies compatibility checks for machine tool engineers and reduces downtime caused by misfitted components. The standardised thread also enables easier procurement and spares management within a production environment.

Balanced mass for handling and vibration control

A compact mass of 0.9 kg contributes to manageable handling during tool changes while helping to damp minor vibrations that can amplify at higher spindle speeds. The relatively low weight assists maintenance technicians during frequent interventions and aids in maintaining concentricity when the assembly is clamped. Where runout and surface finish are critical, the inertia characteristics of the fastening element matter; a consistent mass supports predictable machine behaviour without compromising rigidity in the toolholding stack.

Practical guidance on installation and compatibility

Installation requires matching the 1/2-13UNF thread to the machine’s retention mechanism and verifying the overall 555 mm length suits the toolholder and spindle geometry. For straightforward integration, check the SKU VDR-NT303-A and the GTIN when comparing components to legacy assemblies. Routine inspection should focus on thread condition and straightness; any deformation may affect clamping force. Where uncertainty exists about fitment or interchangeability, reference the machine manufacturer’s spindle specifications or consult technical documentation to confirm tolerances before commissioning.

For assured compatibility and fast supply, order the Vertex draw bar via Metav Werkzeuge or contact our technical consultants at info@metav-werkzeuge.com / +49 2822 7131930 for a quick specification check

Technical data

• SKU: VDR-NT303-A
• GTIN: 4061905092343
• Manufacturer: Vertex

Dimensions & weight

• Length: 555 mm
• Weight: 0.9 kg
• Thread: 1/2-13UNF

Classification & assets

• ECLASS: 23309104
• Category: Vertex
• Image filename: VDR-R8-S-main.png

FAQ

What thread does this draw bar use and which spindles is it compatible with?
The draw bar uses a 1/2-13UNF thread; compatibility depends on the spindle retention thread standard—confirm that the spindle accepts 1/2-13UNF threads before installation.

How long is the draw bar and why does length matter?
The overall length is 555 mm; length affects the toolholder engagement and must match the machine’s tool clamping geometry to ensure correct seating and axial position.

What is the identification code for ordering and inventory purposes?
Order and stock using the SKU VDR-NT303-A; the GTIN 4061905092343 provides an additional global identifier for logistics and procurement.

How should the draw bar be inspected during routine maintenance?
Inspect thread integrity and straightness; any galling or distortion of the 1/2-13UNF thread or axial bending warrants replacement to maintain clamping reliability.

Which manufacturer produces this draw bar?
The item is produced by Vertex and labelled under the SKU VDR-NT303-A, enabling traceability to the original toolmaker.

Manufacturer: Vertex Machinery Works Co., Ltd.; No. 296, Sec. 1, Feng Shih Road, Fengyuan District, Taichung City 420, Taiwan