
IRWIN 1890726 Carbide Tip Straight Shank Installer Drill Bit for Masonry, 18-Inch by 5/16-Inch-
Amazon
From $28.41 (New)

From $28.41 (New)

| Last Seen | |
| Highest | $29.30 Dec 9, '15 |
| Lowest | $28.41 Jan 23, '16 |
| Average | $28.41 (30d avg) $28.53 (90d avg) $28.71 (Lifetime average) |
| Added | Oct 26, 2015 |
30 day average: 1,144,975
90 day average: 911,844
IRWIN Straight Shank Carbide Tip Installer Bits feature an Tungsten carbide tip for extended life when drilling in brick, block and mortar joints. These bits are made with a hole in the flute for easy wire pulling through walls, ceilings and floors. They have a 3-flatted shank to prevent slipping in drill chucks and the shank also includes a hole for wire pulling. Plus, they are made from premium high carbon steel for extended drilling life in tough materials.