Greenlee 870 Screw Anchor Expander for Caulking Anchor Size 3/8-16, Heavy-Duty Screw Anchor Expanding Tool

★★★★★ 4.7 24 reviews

US$31.58
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US$31.58
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Management number 218612899 Release Date 2026/05/03 List Price US$31.58 Model Number 218612899
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Product Description Master your jobs with speed and ease with the Greenlee 870 Screw Anchor Expander (catalog number 870). A favorite of electrical experts, this machine screw anchor allows you to quickly and securely set expansive screw anchors in concrete, brick, or block, regardless of thickness. With a simple 4-step operation, it's easy to use. Begin by screwing the anchor onto the expander, insert it into the drilled hole, strike the expander head with a hammer, and unscrew the expander. The 870 delivers consistent results with minimal effort with every use. Constructed with hardened alloy steel, this screw anchor expander is built to last and withstands years of heavy-duty and frequent use on the jobsite. It's designed for use with caulking anchors with a screw anchor bolt size of 3/8-16 and can be used with anchor number 84305. Whether you're mounting junction boxes, conduit clamps, or other hardware into masonry, the Greenlee 870 delivers professional-grade reliability that stands up to daily use. Greenlee: Professional. Nothing Less. From the Manufacturer Greenlee's screw anchor expander quickly and securely set expansive screw anchors in masonry, regardless of thickness. Made from hardened alloy steel.

  • 3/8-16 SCREW ANCHOR EXPANDER: Designed for use with caulking anchors and allows you to quickly and securely set expansive screw anchors in masonry, regardless of thickness
  • FAST AND EASY ANCHOR SETTING: Simply screw the anchor onto the expander, insert it into the drilled hole, strike the expander head with a hammer, and unscrew the expander, and delivers consistent results with minimal effort
  • DURABLE HARDENED ALLOY STEEL CONSTRUCTION: Constructed with hardened alloy steel, this screw anchor expander withstands years of heavy-duty and frequent use on the jobsite
  • PRECISION-MATCHED: Designed for use with caulking anchors with a screw anchor bolt size of 3/8-16 and is compatible with anchor number 84305
  • REQUIRED HOLE SIZE: Use with a minimum 1/4" diameter and 1-1/8" depth drilled hole for proper anchor expansion and secure installation
UPC 783310026716
Brand Greenlee
Color Silver
Model 870
Size Name Belt Size 3/8-Inch to 16
Item Shape Cylindrical
Unit Count 1.0 Count
Item Weight 0.43 Pounds
Part Number 870
Thread Size 3/8
Finish Types Uncoated
Manufacturer Greenlee
Fastener Type Screw
Material Type Hardened Alloy Steel
Item Type Name Tool
Item Dimensions 5.8 x 2.8 x 0.2 inches
Number Of Items 1
Outside Diameter 1.5 Millimeters
Screw Head Style Flat
Included Components Unit^Instruction Guide
Warranty Description Limited Warranty
Compatible Groove Diameter 0.25 Inches
Global Trade Identification Number 00783310026716

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4.7 out of 5
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24 ratings | 10 reviews
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