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Clear frameless safety glasses with black temples and shade 1.7 lenses

3M

3M SecureFit 3700 Welding Safety Glasses IR 1.7

SKU CH-ZSW5-B9JT3

Welding safety glasses with IR 1.7 shade and 99.9 percent UV protection

  • TypePersonal Protective Equipment (PPE)
  • ColorTransparent
  • IR 1.7 shade protects against welding arcs
  • 9% UV protection shields eyes from harmful rays
  • Scratch-resistant coating keeps lenses clear longer
  • Pressure-diffusion temples reduce head pressure all day
  • Frameless OTG design fits over prescription glasses

3M SecureFit 3700 Welding Safety Glasses IR 1.7

These glasses provide eye protection for welding tasks requiring a Shade 1.7 infrared filter. They suit professionals and hobbyists who need reliable UV defence and scratch-resistant lenses during metalwork or fabrication.

Frameless polycarbonate frame

The frameless design uses a clear polycarbonate frame and black temples that spread contact pressure evenly across the head. Scratch-resistant coating on the polycarbonate lenses maintains optical clarity, while the universal fit accommodates a wide range of users without foam lining.

Check your welding process requires only Shade 1.7

Verify that the infrared filter rating matches the specific amperage and application you use, as higher-intensity arcs demand darker shades. Ensure the frameless OTG style fits over any prescription eyewear you wear and that the clear frame colour meets your workplace visibility requirements.

Highlights

  • IR 1.7 shade protects against welding arcs
  • 9% UV protection shields eyes from harmful rays
  • Scratch-resistant coating keeps lenses clear longer
  • Pressure-diffusion temples reduce head pressure all day
  • Frameless OTG design fits over prescription glasses

Specifications

Brand3M
TypePersonal Protective Equipment (PPE)
ColorTransparent

Questions about this item

What IR shade does the 3M SecureFit 3700 lens provide and what does that rating limit?

The lens is rated IR 1.7, which filters infrared radiation to that shade level for welding and cutting tasks.

What frame style and material determine whether these glasses fit over prescription frames?

They have a frameless, polycarbonate design with universal sizing and an OTG fit, so they sit over most prescription eyewear.

How do the pressure-diffusion temples install on the head, and what mistake causes them to slip?

Slide the temples straight back so the curved tips rest behind the ears; bending the tips outward reduces the diffusion grip and lets the glasses slide down.

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