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 7″ Type 27 Aluminum Oxide Grinding Wheel – 1/4″ x 7/8, 24 Grit $61.85 Part Number: 12741Add 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 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 1 PK Flexi-Wheels Type 27 – 4″ x 1/8″ x 5/8″ Flexi-Wheels 46 Grit $5.09 Part Number: 4046Add to Cart