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6-8 x 3/4" Leadwood Screw Anchor, 100/Box

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Order 6-8 x 3/4" Leadwood Screw Anchor on line; save money and get immediate shipment and free freight. LWSA634

CONFAST® - 6-8 x 3/4" Leadwood Screw Anchor

The 6-8 x 3/4" Leadwood Screw Anchor is manufactured from a corrosion resistant material and can be used in wet environmental applications. Every order is shipped the same day it is received, order online and freight is free.

  • Bit Size 1/4"
  • Minimum embedment 3/4"
  • Can be used in concrete, brick or block
  • Wet, outdoor applications
  • Light duty
  • Dead loads only
  • Free freight is free on all orders over $25.00
Products specifications
Bit Size 1/4"
Minimum Embedment 3/4"
Thread Length 3/4"
Thread Type SMS 6-18
2000 PSI Concrete - Pull-Out (lbs.) * 137
Type Female
Diameter #6
Length 3/4"
Material Zamac
Environment Moist
Box Qty 100
Minimum Spacing 2-1/2"
Minimum Edge Distance 1-1/4"
Minimum Fixture Hole Diameter (In Place) 5/16"
Minimum Fixture Hole Diameter (Hole Spotted) 3/16"
Inside Anchor Diameter-Bolt Diameter #8
Outside Anchor Diameter 1/4"
Internal Thread Length 3/4"
Length Measurement End to End
Bolt Length Fixture Thickness + Embedment Depth
Brand Name CONFAST

The anchor is made from ZAMAC. This anchor is designed for use in Concrete, Block, and Brick.

The anchor is designed for use in a Moist environment.

Hole Diameter/Bit Diameter
The anchor requires a 1/4" hole to be drilled in the base material (Concrete, Block, and Brick). The hole should be drilled with carbide tipped bit that meets ANSI standards and used in a hammer drill.

Designated Size
The designated size of the anchor refers to the inside diameter

Diameter of Anchor
The diameter of the anchor is #6.

Length Anchor
The length of the anchor is 3/4"

Thread Length
The length of the threads on the anchor is 3/4" in length.

The anchor is packaged with 100 pieces per box .

Minimum Embedment
The minimum anchor embedment into the concrete is 3/4". Therefore, the anchor must be installed so that a minimum of 3/4" of the anchor is embedded into the concrete.

Depth of Hole
The depth of the hole that is required for the anchor should be a minimum of 1/2" deeper than the anchor will penetrate the concrete. This will allow space for dust created during the installation process to fall, which will prevent the anchor from bottoming out in the hole before full penetration into the concrete.

Fixture Hole Diameter
The hole in the fixture or material being fastened must be larger than the designated diameter of the anchor. The #6 diameter anchor requires the hole in the fixture to be 5/16".

Spacing between Anchors
Each anchor must be spaced a minimum distance of 2-1/2" from each other when measured center to center.

Edge Distance
It is very important not to install the anchor any closer than 1-1/4" from an unsupported edge of the concrete.

Bolt Length
When a bolt is used in conjunction with the anchor, the length of the bolt needed is determined by considering these factors:

  • Flush With Concrete - when the anchor is set flush with the surface of the concrete, add the thickness of the material being fastened to the thread length of 3/4", and then add the space for any washers used.
  • Below Surface of Concrete - add the depth below the surface of the concrete to the thickness of the material being fastened, then add the space for the washer, and, finally, add 3/4" for the thread engagement.

Holding Values - Ultimate Load Values in 2000 PSI Concrete

Anchor Size

Minimum Embedment

Pull-Out (lbs.)

Shear (lbs.)

#6 x 3/4"




Product/Company Reviews

* The figures above indicate average ultimate tension and shear failure values. A safety factor of 4:1 or 25% of ultimate value is generally accepted as a safe working load. Reference should always be made to applicable codes.

* The bits are recommended by diameter and may not necessarily be the length needed for your application. Please make sure the usable length will work for your application. *

These bits work with the selected anchor
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