Drop-In & Wedge Anchor Bolts

WEDGE ANCHORS

Wedge Anchors

Wedge anchors are threaded studs with a cone expander and a single piece expansion clip. The expansion clip ensures uniform holding capacity that increases as tension is applied. Wedge-style expansion anchors are for use in solid concrete or grout-filled concrete masonry. These anchors are available zinc plated, mechanically galvanized or stainless steel.

DROP IN ANCHORS

Drop-in anchors are internally threaded expansion anchors with a preassembled expander plug. This type of anchor is used for flush mount applications in solid base materials. The anchor is set by driving the expansion plug towards the bottom of the anchor using the setting tool.

Wedge Anchors

GOVERNING STANDARDS

  • Federal Specification: A-A-1923A Shield Expansion (Lag, Machine and Externally Threaded Wedge Bolt Anchors), with Notices 1-2

 

WEDGE ANCHORS

SizeThread Length
1/4 x 1 1/2 9/32
1/4 x 1 3/4 15/16
1/4 x 2 1/4 1 7/16
1/4 x 3 1/4 2 7/16
3/8 x 2 1/4 1 1/8
3/8 x 2 3/4 1 5/8
3/8 x 3 1 7/8
3/8 x 3 3/4 2 5/8
3/8 x 5 3 7/8
3/8 x 7 1 1/4
1/2 x 2 3/4 1 5/16
1/2 x 3 3/4 2 5/16
1/2 x 4 1/4 2 13/16
1/2 x 5 1/2 4 1/16
1/2 x 7 5 9/16
1/2 x 8 1/2 6
1/2 x 10 6
1/2 x 12 6
5/8 x 3 1/2 1 7/8
5/8 x 4 1/2 2 7/8
5/8 x 5 3 3/8
5/8 x 6 4 3/8
5/8 x 7 5 3/8
5/8 x 8 1/2 6
5/8 x 10 6
5/8 x 12 6
3/4 x 4 1/4 2 3/8
3/4 x 4 3/4 2 7/8
3/4 x 5 1/2 3 5/8
3/4 x 6 1/4 4 3/8
3/4 x 7 5 1/8
3/4 x 8 1/2 6
3/4 x 10 6
3/4 x 12 6
7/8 x 6 2 1/5
7/8 x 8 2 1/8
7/8 x 10 2 1/8
7/8 x 12 2 1/8
1 x 6 2 1/4
1 x 9 2 1/4
1 x 12 2 1/4
1 1/4 x 9 2 3/4
1 1/4 x 12 2 3/4
1 1/2 x 12 2 3/4

 

Wedge Anchors - Maximum Tensile Capacity for Static Loads - 4000 psi Concrete

SizeEmbed DepthCritical SpacingUltimate lbsAllowable lbsInstall Torque ft-lbs
1/4 1 1/8 4 1/2 960 240 8
1/4 2 1/4 9 2320 580 8
3/8 1 3/4 7 2880 720 30
3/8 2 5/8 10 1/2 5440 1360 30
3/8 3 3/8 13 1/2 5440 1360 30
1/2 2 1/4 9 5280 1320 60
1/2 3 3/8 13 1/2 9840 2460 60
1/2 4 1/2 18 11840 2960 60
5/8 2 3/4 11 8600 2150 90
5/8 4 1/2 18 15720 3930 90
5/8 5 1/2 22 15720 3930 90
3/4 3 3/8 13 1/2 9960 2490 150
3/4 5 20 15760 3940 150
3/4 6 3/4 27 17000 4250 150
7/8 3 7/8 15 1/2 10720 2680 200
7/8 7 7/8 31 1/2 20320 5080 200
1 4 1/2 18 15680 3920 300
1 9 36 30080 7520 300
1 1/4 5 5/8 22 1/2 24760 6190 400
1 1/4 9 1/2 38 48920 12230 400
1 1/2 9 1/2 38 5040 12230 400

 

Drop In Anchors - Maximum Tensile Capacity for Static Loads - 4000 psi Concrete

SizeDrill Bit DiameterEmbed DepthUltimate lbsAllowable lbs
1/4 3/8 1 2160 540
3/8 1/2 1 1/2 3960 990
1/2 5/8 2 6240 1560
5/8 7/8 2 1/2 8680 2170
3/4 1 3 11000 2750

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