Package includes: 12Pcs stainless steel wire bore brush for drill in different sizes; Bristle diameter: 5/16(8mm), 11/32(9mm), 3/8(10mm), 7/16(11mm), 1/2(13mm), 5/8(16mm), 11/16(18mm), 3/4(19mm), 7/8(22mm), 1(25mm), 1-1/8(28mm), 1-3/16(30mm)., Hex shank diameter: 1/4. Each brush has a hexagonal handle that can be installed on a power drill or die grinder, making it easier to enter narrow holes and gaps for cleaning How to Choose the Right Wire Brush Consider these things when deciding on a wire brush for your drill: Wire material: Choose carbon steel for rust removal, stainless for wet use, or brass for delicate surfaces. Brush type: Cup, wheel, or end brushes suit different shapes; twist-knot for tough jobs, crimped for lighter work Bore Brush 12Pcs Stainless Steel Set With 1/4 - Zambia Wire Brushes Material: The drill wire brush are made of 304 stainless steel and featuring a twisted wire form to make them tougher and more durable for powerful cleaning. Buy 12pcs multi size stainless steel bore brush set with 1/4 inch hex shank, silver at Harfington, get more in various size. 1/4 Hex Shank Steel Wire Brush/1/4 Hex Shank Tube Wire Brush/steel Wire Tube Pipe Internal Cleaning Brush The stainless steel bore brush can easily enter narrow areas, pipelines, or small holes, removing dirt, rust, corrosion removal and polishing of pipes etc. 12Pcs stainless steel wire bore brush for drill SIZE: Bristle diameter: 5/16(8mm) 11/32(9mm) 3/8(10mm) 7/16(11mm) 1/2(13mm) 5/8(16mm); 11/16(18mm) 3/4(19mm) 7/8(22mm) 1(25mm) 1-1/8(28mm) 1-3/16(30mm).
