Home / Abrasives and Finishing Products / Surface Prep/Sanding / Grinding Wheels / 100 PK Depressed Center Type 27 Grinding Wheels – Hubless. 4 1/2″ x 1/4″ x 7/8″ – 24 Grit 100 PK Depressed Center Type 27 Grinding Wheels – Hubless. 4 1/2″ x 1/4″ x 7/8″ – 24 Grit $287.07 Part Number: SDP452-100 Vitrified, aluminum oxide double fiberglass reinforced wheels designed for strength and cutting action when working on steel and non-ferous metals. 100 PK Depressed Center Type 27 Grinding Wheels - Hubless. 4 1/2" x 1/4" x 7/8" - 24 Grit quantity Add to cart UPC: 682488076854 Category: Grinding Wheels Tag: 4 1/2" x 1/4" x 7/8" Related products Grinding Wheels Type 27- Zirconia 7″x 1/4″ x 5/8-11 – 24 Grit $21.05 Part Number: 12643Add to Cart 25 PK | 5″ Type 27 Aluminum Oxide Grinding Wheels Depressed Center – No Hub – 24 Grit – 5″ x 1/4″ x 7/8″ $110.83 Part Number: 12737Add to Cart 25 PK 4″ Type 27 Aluminum Oxide Grinding Wheels Depressed Center – Hubless, 24 Grit. 4″ x 1/4″ x 5/8″ $82.14 Part Number: 12733Add to Cart 1 PK Flexi-Wheels Type 27 – 4″ x 1/8″ x 5/8″ Flexi-Wheels 46 Grit $5.09 Part Number: 4046Add to Cart