Machine Screw Anchors with Setting Tools Bundle

Machine Screw Anchors with Setting Tools

Anchors for Masonry, Brick, Block & Concrete with Setting Tools for Proper Installation


  • Caulking type anchors designed to provide a quick setting in brick, concrete or stone
  • Comprised of a die cast zinc expansion cone with a malleable lead sleeve
  • Installed using the included setting tool
  • Equally distributes load around the anchor - safe for use on brick, block, stone and concrete
  • Each Kit includes the specified number of Machine Screw Anchors and one Setting Tool

Machine screw anchors feature a zinc coned portion at the end of a lead sleeve that is pulled up, expanding the sleeve, as a screw or bolt is tightened into the internal threads of the anchor. To install a machine screw anchor properly, first a hole must be drilled into the masonry material. The anchor is placed into that hole, and the included setting tool is used to set it in place properly. This is done by inserting the peg of the set tool into the anchor, lining up the outer diameters of the tool and the anchor, and then striking the back of the tool with a hammer. This sets the anchor snugly in place, so that the screw or bolt being used can pull the bottom wedge up properly.

Sizes Below Listed as: Thread Diameter - Thread Pitch (number of Anchors in Bundle)


Machine Screw Anchors: FF-S-325, Group I, Type 1, Class 1

Size: Drill Diameter: Installation Torque: Minimum Embedment: Performance - 4000psi Concrete: Performance - C90 Hollow Block: Performance - Solid Red Brick:
#10-24 3/8" Max 20 in. lbs. 5/8 Tensile: 1340 lbs.
Shear: 1200 lbs.
Tensile: 740 lbs.
Shear: 1130 lbs.
Tensile: 1050 lbs.
Shear: 1140 lbs.
1/4"-20 1/2" Max 60 in. lbs. 7/8 Tensile: 2340 lbs.
Shear: 1800 lbs.
Tensile: 880 lbs.
Shear: 1340 lbs.
Tensile: 1460 lbs.
Shear: 1580 lbs.
5/16"-18 5/8" Max 7 ft. lbs. 1 Tensile: 3020 lbs.
Shear: 2640 lbs.
Tensile: 1820 lbs.
Shear: 1700 lbs.
Tensile: 1730 lbs.
Shear: 2140 lbs.
3/8"-16 3/4" Max 10 ft. lbs. 1-1/4 Tensile: 4810 lbs.
Shear: 4220 lbs.
Tensile: 2280 lbs.
Shear: 2430 lbs.
Tensile: 2200 lbs.
Shear: 3870 lbs.
1/2"-13 7/8" Max 15 ft. lbs. 1-1/2 Tensile: 5930 lbs.
Shear: 5800 lbs.
Tensile: 2360 lbs.
Shear: 3440 lbs.
Tensile: 3270 lbs.
Shear: 4860 lbs.

Machine screw anchors shall not be removable or show evidence of failure when subjected to tensile and shear test loads as specified in the above table. The suggested safe working load is one-fourth the average test proof loads shown in the above table.

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