1/2" Double Expansion Anchor, 25/box, Simpson, SIMDMSA50

MSRP: $78.00
$38.00 per box of 25 pieces
Simpson Strong-Tie Anchors
Manufacturer: Simpson Strong-Tie Anchors
Manufacturer Part No: DMSA50
DMSA Product Data 
and Tension and Shear Loads in Normal-Weight Concrete

DMSA Product Data

  1. The allowable loads listed are based on a safety factor of 4.0.
  2. 100% of the allowable load is permitted at critical edge distance. No reduction in edge distance is allowed.
  3. The minimum concrete thickness is 1 1/2 times the embedment depth.
  4. Machine bolt is not included.

cautionCaution: Oversized holes will make it difficult to set the anchor and will reduce the anchor's load capacity.

  • Drill a hole in the base material using the appropriate diameter carbide drill bit as specified in the table. Drill the hole to the specified embedment depth plus 1/8 " for flush mounting. Blow the hole clean using compressed air. Overhead installations need not be blown clean. Alternatively, drill the hole deep enough to accommodate embedment depth and dust from drilling.
  • Insert anchor into hole. Tap with hammer until flush with surface.
  • Position fixture; insert screw and tighten. The bolt must engage a minimum of 2/3 of the anchor threads.
Installation Sequence
install sequence

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