Home / Abrasives and Finishing Products / Surface Prep/Sanding / Grinding Wheels / 5 PK | Depressed Center Type 27 Grinding Wheels – Hubless. 4″ x 1/8″ x 5/8″ – 36 Grit 5 PK | Depressed Center Type 27 Grinding Wheels – Hubless. 4″ x 1/8″ x 5/8″ – 36 Grit $17.94 Part Number: SDP401-5 Vitrified, aluminum oxide double fiberglass reinforced wheels designed for strength and cutting action when working on steel and non-ferous metals. 5 PK | Depressed Center Type 27 Grinding Wheels - Hubless. 4" x 1/8" x 5/8" - 36 Grit quantity Add to cart UPC: 682488010032 Category: Grinding Wheels Tag: 4" x 1/8" x 5/8" Related products 10 PK Grinding Wheels Type 27- Zirconia 9″x 1/4″ x 5/8-11NC – 24 Grit $242.59 Part Number: 12646Add to Cart 25 PK Depressed Center Type 27 Grinding Wheels for use on Masonry 4″x 1/4″ x 5/8 $84.16 Part Number: 12743Add to Cart 4 PK | 4″ Type 27 Aluminum Oxide Grinding Wheels Depressed Center – Hubless, 36 Grit – 4″ x 1/8″ x 5/8″ $11.78 Part Number: 12731Add to Cart Depressed Center Type 27 Grinding Wheels for use on Masonry 4″x 1/4″ x 5/8 $3.74 Part Number: 12742Add to Cart