Reduces thread stress. Compensates for slight misalignment between workpiece and strap clamp. Many sizes conform to TCMAI standards. Case hardened 12L14 carbon steel with black oxide finish.
Warning:This product may expose you to chemicals including Nickel, Chromium, or Lead, chemicals known to the State of California to cause Birth Defects and/or Cancer. For more information go to www.P65Warnings.ca.gov