How to Screw Studs Into a Block Wall

Written by c.l. rease
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How to Screw Studs Into a Block Wall
Self-tapping concrete screws firmly hold studs to a block wall. (blank block wall image by robert mobley from

Masonry fasteners come in all shapes and sizes. Each type of concrete fastener is designed for specific applications, and no single type of anchor works for all types of masonry. Masonry block walls contain hollow cavities that will not hold sleeve anchors, anchor bolts or epoxy anchors. When screwing a stud to a block wall, you must use a concrete fastener that does not require a solid depth greater than two inches, the average thickness of the wall covering the cavity, to hold the stud firmly in place.

Skill level:
Moderately Challenging

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Things you need

  • Safety glasses
  • Hearing protection
  • Self-tapping bugle-head concrete screws kit
  • Hammer drill
  • Electrical tape
  • Wood or metal studs
  • #2 Phillips head screw adaptor
  • Screw gun

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  1. 1

    Put on your safety glasses and hearing protection.

  2. 2

    Secure the drill bit from the self-tapping bugle-head screw kit into the chuck of the hammer drill, and set the depth gauge of the hammer drill to the depth specified by the concrete screw installation guide. If your hammer drill does not have a depth gauge, wrap electrical tape around the drill bit to mark the correct depth.

  3. 3

    Hold the wood or metal stud against the concrete block, and when you have the stud positioned correctly, drill a hole through the stud and make a small indentation on the block wall.

  4. 4

    Remove the stud, and drill the hole into the block wall until the depth gauge or electrical tape meet the surface of the block wall.

  5. 5

    Install the #2 Phillips head screw adaptor into the screw gun, and place the stud back against the block wall.

  6. 6

    Run a self-tapping bugle-head concrete screw through the hole in the stud, into the hole you drilled in the block wall. Do not over tighten the concrete screw, as it could strip the threads from the concrete block.

  7. 7

    Repeat the process to place one concrete screw every 12 to 24 inches along the length of the stud to complete the screwing process.

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