TRUSCO Hexagonal Shaft Spiral Hole Brush 66 Nylon 20mm Pilot Hole Diameter 6HB-20-NY 1 Piece

Catalog number: 6HB-20-NY Features: ●By twisting the wire into a strong irregular shape, the strength of the shaft is increased, and it can be used in both forward and reverse rotation. ●When rotating forward, it can scrape off the inside of the hole, and when rotating reverse, it can expel dust and other particles from the inside of the hole. ●By using an impact driver or electric drill, you can work quickly and easily. ●A wide lineup that meets all chemical anchor standards. Applications: ●Preparation of pilot holes for chemical anchors, cleaning of various applicable holes, cleaning after abrasive polishing. (Nylon bristles) ●Preparation of pilot holes for chemical anchors (strong impact creates unevenness on the concrete surface, making it easier for the chemical anchor to set), deburring of various applicable holes. (Bristle wire) Specifications: ● Wire diameter (mm): 0.5 ● Bristles: 66 nylon ● Outer diameter (mm): 20 ● Brush length (mm): 150 ● Total length (mm): 340 ● Maximum operating speed (rpm): 2000 ● Brush shaft diameter (mm): 6.5 ● Two irregularly shaped twisted wires ● Shank diameter: 6.35 mm