Black&Decker 120-VOLT 4-1/2" GRINDERS BD- 2750
The Tapper® anchoring system is a family of screw anchors, specially designed drill bits and installation tools designed to meet the needs of most light to medium duty applications in concrete, block and brick. The Tapper® concrete screw anchor is produced in either hex washer head or Phillips flat head styles from Perma-Seal™ coated or zinc plated carbon steel and type 304 stainless steel. For heavy duty applications, the 3/8 in size is made in zinc plated carbon steel.
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BrandDeWALT®
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Manufacturer Part Number2750
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CountryUSA
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FinishBlue Perma-Seal
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MaterialCarbon Steel
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Thread Size#11-16
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Thread TypeUNC
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Head Drive TypePhillips®/Slotted
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Head Size9/64 in H x 3/8 in OD
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Applicable MaterialsNormal-Weight Concrete/Lightweight Concrete/Grouted Concrete Masonry/Hollow Concrete Masonry (CMU)/Solid Brick Masonry/Wood
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SeriesTapper®
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Diameter3/16 in
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Drill Size5/32 in
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Overall Length3-3/4 in
- High-low thread design
- Good corrosion protection with perma-seal coating
- NO 2 Phillips driver
- 1/4 in fixture clearance hole
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UNSPSC31161502
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Package Description100/BX
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Standards/ApprovalsASTM E488
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Specification Sheet
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The Tapper® anchoring system is a family of screw anchors, specially designed drill bits and installation tools designed to meet the needs of most light to medium duty applications in concrete, block and brick. The Tapper® concrete screw anchor is produced in either hex washer head or Phillips flat head styles from Perma-Seal™ coated or zinc plated carbon steel and type 304 stainless steel. For heavy duty applications, the 3/8 in size is made in zinc plated carbon steel.
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The Power-Stud® anchor is a one piece fully threaded, wedge style anchor available in carbon steel and stainless steel. Threaded, rod hanger and tie wire versions are designed for use in solid concrete. The drill bit diameter needed for proper installation is the same as the anchor diameter.
Take on tough jobs with the 1/4 in. VSR Drill. Featuring heat-treated steel gears that deliver durability and a rubber grip for comfort, this tool is designed to get the job done.

