Simpson Strong-Tie BIT3SU-2-RC3 #3 Square, Undersized-Drive 2 in. Power Bit (3-Qty)

Simpson Strong-Tie® industrial-grade driver bits are designed for a secure fit with Simpson Strong-Tie fasteners. Available in square, 6-lobe and hex-drive configurations, these driver bits will outperform substandard bits commonly prone to cam-out and stripping. Note: undersized bits (designated by a “U” in the model number) are for use with coated fasteners.