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Clear rectangular grind shield 11 by 5 inches .0625 thick

Miller Enterprises

Miller Enterprises Helmet Grind Shield Replacement 258979 11 in 5 in .0625 in

SKU CH-KR02-F90R9

Clear replacement grind shield for T94i helmets, measuring 11 by 5 inches and .0625 inch thick

  • Clear vision with 11 in × 5 in coverage
  • Precise fit for T94i series helmets
  • Durable .0625 in thick replacement shield
  • Clear lens maintains true colour perception
  • Genuine Miller Electric part number 258979

Miller Enterprises Helmet Grind Shield 258979

This clear replacement shield fits Miller Electric T94i Series helmets. It protects the auto-darkening lens during grinding and cutting tasks. The plate measures 11 inches long by 5 inches wide and is 0.0625 inches thick. Welders and fabricators who use a T94i helmet need this consumable part.

Upgrades from a scratched or pitted grind shield

A damaged shield reduces visibility and can compromise the underlying lens. Replacement is worth it when the current plate shows deep scratches, spatter buildup or warping that cleaning cannot fix. The new shield restores optical clarity for grinding mode. It is not for buyers who need a welding lens or a different helmet series.

Check your helmet model and plate dimensions

Verify the helmet is a Miller Electric T94i Series before ordering. Confirm the existing shield matches the 11 by 5 inch size and 0.0625 inch thickness. Ensure the mounting tabs align with the helmet design. This shield is not compatible with other helmet brands or series.

How it compares

Measured against everything we stock in Face Masks, Respirators & PPE, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 64% of the 5,612 comparable items (median $24.99).

Specifications

Product
Brand nameMiller Electric

Questions about this item

Will the 11 in by 5 in grind shield fit my T94i Series helmet?

The shield measures 11 in long by 5 in wide and is listed as compatible with the T94i Series, so it matches the original window dimensions.

How do I install the replacement grind shield without damaging the .0625 in thick plate?

Remove the old shield, align the new clear plate with the helmet's retention clips, and press evenly along the edges until it clicks — forcing one corner first often cracks the thin material.

When should I replace this W3 shade grind shield?

Replace it when the clear lens shows deep scratches, pitting, or haze that impairs visibility, or if the .0625 in plate becomes warped or cracked from impact.

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