ST-40Welding Equipment

ST-40 Portable Tungsten Electrode Grinder, 1.0–6.0 mm

Handheld grinder that sharpens TIG tungsten 1.0–6.0 mm at 20–60° for consistent arc starts.

Voltage: 220 V
Power: 0.5 kW
Electrode diameters: 1.0–6.0 mm
Angle: 20–60°
Net weight: 1.5 kg
Package size: 385 × 200 × 165 mm

1 year warrantyParts and support
Video inspectionBefore shipping
Ships worldwideFrom Shanghai

Overview

A consistent tungsten point gives a consistent arc. The ST-40 grinds electrodes from 1.0 to 6.0 mm at a set angle between 20° and 60°, with the grind lines running lengthwise for a stable TIG arc.

Key features

Electrode sizes 1.0 / 1.6 / 2.0 / 2.4 / 3.2 / 4.0 / 6.0 mm
Grinding angle 20–60°
500 W motor
1.5 kg net, carry case included

ST-40 technical specifications

Values for the standard configuration. Custom versions may differ; confirm with your quotation.

ST-40 specifications
Voltage	220 V
Power	0.5 kW
Electrode diameters	1.0–6.0 mm
Angle	20–60°
Net weight	1.5 kg
Package size	385 × 200 × 165 mm
Warranty	1 year

Applications

TIG welding shops
Orbital welding
Pipe crews

What is included

Machine with standard tooling
Test report and outgoing-inspection video
Operation manual and online/video training
1 year warranty
Export packing and shipping documents

ST-40 FAQ

Range, power, warranty and shipping.

What is the ST-40 used for?

Handheld grinder that sharpens TIG tungsten 1.0–6.0 mm at 20–60° for consistent arc starts. Typical applications: tig welding shops, orbital welding, pipe crews.

What warranty and inspection come with the ST-40?

1 year warranty. Every machine is run and inspected before shipment; a test report and an outgoing-inspection video are provided with the order.

Can the ST-40 be supplied for my power supply?

Standard configuration: 220 V. Tell us your voltage, phase and frequency, or whether you need pneumatic drive, when you request a quote and we will confirm the available configuration.

How is it packed and shipped?

Machines are packed in export wooden or plywood cases; portable tools ship in fitted carry cases inside the export carton. We ship by sea, air or express from Shanghai and provide the commercial invoice, packing list and certificate of origin.