Simpson Structural Screws SD9112R100 No.9 by 1-1/2-Inch Structural-Connector Screw,
Simpson Strong-Tie SD9112R100-2PK – #9 x 1-1/2″ Connector Screws, 2 Sets of 100 Pack
$28.20
These structural screws are used in woodworking or engineering electives for building projects, teaching practical fabrication skills.
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