Application:Fastening to Concrete, Block, & BrickDiameter:1/4"Drill Size:3/16"Drive:PhillipsFinish:1000 Hour CoatingHead:FlatLength:6"Material:Case Hardened SteelType:Screw Anchor Product Notes: There is no need to pre-spot holes and no inserts are required. These masonry fasteners are reversible, removable, and can be installed close to an edge. Note: Rock River Masonry Fasteners are designed to be embedded in concrete or block a minimum of 1 and a maximum of 1-3/4".
Supreme Model - H5B,/ Jacobs Multi-craft 5/64-2" 13mm/ Multi-craft MC4/Jacobs chuck 30B comes with 8 different keys. All chucks work but some need a little WD-40.
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