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Anchor Heads

1-3/8”  and 1-1/2" square hub anchors are installed using a Kelly Bar adapter and Torque Tube to apply torque directly to the anchor’s square hub. They are commonly used with a 7’ anchor rod and single, double, or triple eyenut. Extensions for the Torque Tube and anchor rod are available when deeper installation depths are required. Final installed height of the exposed anchor should be 8 to 12 inches above grade level.

Install 2-1/4" and 2-1/2" Turbo Drive Anchors with high strength installation tooling (7-5/8” bolt circle). Turbo Drive anchors are installed using a Kelly Bar adapter and Torque Tube to sleeve into the anchor and apply direct torque. They are commonly used with a 7’ anchor rod and single, double, or triple eyenut. Extensions for the Torque Tube and anchor rod are available when deeper installation depths are required.

Standard Turbo Drive (TD) anchors have a 3/8” thick helix. Heavy duty Turbo Drive (TDH) anchors have a ½” thick helix.

Description

A complete Power Hub Screw Anchor assembly consists of a helical hub, anchor rod and eyenut.  The helix size (diameter) and number of helices are selected for the required holding strength.  The hub, either socket drive or solid hub, is selected for installation torque requirement.  The rod diameter is determined by the guy load and installed depth, and eyenut for the number of guys.

Links & PDFs

1-3/8

1-3/8” Square Hub Anchor – 6,000 ft-Lb Installation Torque

Catalog Number Helix Size Inches (cm) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
D102-6 10 (25.4) 5/8 4 13
D104-2-6 (2) 10 (25.4) 3/4 or 1 25 35
D104-6 10 (25.4) 3/4 or 1 4 13
D112-6 12 (30.5) 5/8 4 16
D114-6 12 (30.5) 3/4 or 1 4 16
D134-6 14 (35.6) 3/4 or 1 3 21
D82-6 8 (20.3) 5/8 4 10
D84-2-6 (2) 8 (20.3) 3/4 or 1 25 29
D84-6 8 (20.3) 3/4 or 1 4 10

1-1/2” Square Hub Anchor – 5,500 ft-Lb Installation Torque

Catalog Number Helix Size Inches (cm) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
D1102 10 (25.4) 5/8 4 14
D1104 10 (25.4) 3/4 or 1 4 14
D1114 12 (30.5) 3/4 or 1 4 17
D1134 14 (35.6) 3/4 or 1 3 22
D182 8 (20.3) 5/8 4 11
D184 8 (20.3) 3/4 or 1 4 11
D2104 (2) 10 (25.4) 3/4 or 1 25 38
D284 (2) 8 (20.3) 3/4 or 1 25 32

1-1/2” Square Hub Anchor – 7,000 ft-Lb Installation Torque

Catalog Number Helix Size Inches (cm) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
D1104-7 10 (25.4) 3/4 or 1 4 15
D1114-7 12 (30.5) 3/4 or 1 4 18
D184-7 8 (20.3) 3/4 or 1 4 11
D2104-7 (2) 10 (25.4) 3/4 or 1 25 32
D244-7 (2) 4 (10.2) 3/4 or 1 25 20
D284-7 (2) 8 (20.3) 3/4 or 1 25 27

Standard 2-1/4

2-1/4” Turbo Drive Socket Anchor – 10,000 ft-Lb Installation Torque – 3/8” Thick Helix

Catalog Number Helix Diameter (in) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
TD225-102 10 5/8 4 14.2
TD225-104 10 3/4 or 1 4 14.2
TD225-112 12 5/8 4 17.9
TD225-114 12 3/4 or 1 4 17.9
TD225-134 14 3/4 or 1 3 22.4
TD225-82 8 5/8 4 11.2
TD225-84 8 3/4 or 1 4 11.2

2-1/2” Turbo Drive Socket Anchor – 15,000 ft-Lb Installation Torque – 3/8” Thick Helix

Catalog Number Helix Size Inches (cm) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
TD250-104 10 (25.4) 3/4 or 1 4 16.2
TD250-114 12 (30.5) 3/4 or 1 2 19.9
TD250-134 14 (35.6) 3/4 or 1 2 24.3
TD250-84 8 (20.3) 3/4 or 1 4 13.2

2-1/4” Turbo Drive Socket Anchor – 10,000 ft-Lb Installation Torque – ½” Thick Helix

Catalog Number Helix Diameter (in) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
TDH225-102 10 5/8 4 16.7
TDH225-104 10 3/4 or 1 4 16.7
TDH225-112 12 5/8 4 21.6
TDH225-114 12 3/4 or 1 4 21.6
TDH225-134 14 3/4 or 1 2 27
TDH225-82 8 5/8 4 12.7
TDH225-84 8 3/4 or 1 4 12.7

2-1/2” Turbo Drive Socket Anchor – 15,000 ft-Lb Installation Torque – ½” Thick Helix

Catalog Number Helix Size Inches (cm) Tapped for Rod Size (in) Standard Pack Quantity Weight (lbs)
TDH250-104 10 (25.4) 3/4 or 1 4 18.6
TDH250-114 12 (30.5) 3/4 or 1 2 23.6
TDH250-134 14 (35.6) 3/4 or 1 2 29
TDH250-84 8 (20.3) 3/4 or 1 4 14.6

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