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STS-4
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STS-4

Tri Tool’s new easy-to-use tube squarer is stronger & sleeker than ever!

Stop fussing over receptacles or generators in the shop when squaring and facing tube. Tri Tool’s new STS-4 cordless benchtop tube squaring machine features a sleek black finish and an upgraded metal chip guard that resists scratching, improving visibility and durability. Key features include quick-change, tool-free saddles, graduated feed, and a high-visibility design that includes our new Lumen light, which provides illumination to easily see scribe lines on a workpiece. The new STS-4 comes with a dual-range variable-speed brushless drive, perfect for cleanroom applications. The cutting head supports squaring, facing, beveling, and ID deburring bits, making it a trusted solution across industries for larger tube cutting and squaring tasks. The new STS-4 is also available as a corded version.

Pipe/Tube Size: *0.250″ – 4.500″ (*6.35 mm – 114.3 mm)
Wall Thickness: 0.250″ (6.4 mm) max
Drive Options: Cordless
115 VAC Electric
230 VAC Electric

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Orbital welding can feel intimidating, but we simplify the process by assessing your needs, planning the right equipment, and calculating ROI. We provide onsite support, operator training, and preventative maintenance — staying shoulder to shoulder with you through every challenge to ensure long-term success.