3/16" x 3 1/4" x 4 1/2" Masonry Professional Drill Bit Recyclable (Item# 3316412)
$2.89
These carbide tipped bits are used for drilling into concrete, brick, or block When using concrete screws, drill hole 1" - 1 3/4" plus 1/2" bottom clearance 3/16" x 4 1/2" bits can drill holes up to 3 1/4" for 1/4" concrete screws For best results use with rotary hammer drill Go green and recycle this product
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