Knotted Wire Wheel Safety Warnings and Instructions ® 3491 Mission Oaks Blvd., Camarillo, CA 93011 Copyright© 2004 by Harbor Freight Tools®. All rights reserved. No portion of this sheet may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. For technical questions and replacement parts, please call 1-800-444-3353. Thank you for choosing a Harbor Freight Tools product. Save the receipt and these instructions. It is important that you read this entire instruction sheet to become familiar with these products before you begin using them. Technical Specifications Appropriate Usage These wheels are to be used with an appropriate angle grinder. They can be used for roughening, deburring, cleaning prior to welding, rust and paint removal, and weld spatter and corrosion removal. 1. 2. 3. 4. 5. 6. 03/04 ALL WHEELS: Max. RPM 12,500 Arbor 5/8”x 11 TPI Trim Length 7/8” Wire Diameter .5 mm Item Description Knots Face Width 91278 4" Knotted Carbon Steel Wire Wheel 18 1/ 2" 4-1/2" Knotted Carbon Steel Wire Wheel 20 1/ 2" 91281 4" Knotted Stainless Steel Stringer Bead Wire Wheel 30 1/ 4" 91282 4-1/2" Knotted Stainless Steel Stringer Bead Wire Wheel 30 1/ 4" 91279 Always wear ANSI approved safety goggles, full face shield and respirator when working with these tools. BEFORE use, read and adhere to all warnings, safety precautions, and operating instructions in the owner’s manual for the appropriate angle grinder these accessories are to be used with. The wheel bristles are very sharp and can easily cause skin cuts and puncture wounds; be extemely careful when unpacking these products and when handling and using the wheels and brushes. Always wear gloves when handling and using these wire brushes. Exposure to aluminum oxide (a dust generated from material removing processes) can result in eye, skin and breathing irritation. Always use a NIOSH (National Institute for Occupational Safety and Health) approved respirator and safety goggles. Avoid skin exposure. Proper ventilation in the work area is required. Never exceed the 12,500 RPM maximum. Only use these wheels on a tool that they are intended for and that also has appropriate safety guards in place. SAVE THESE WARNINGS. Made in China.