1-1/4in Square | 5/16-18 Thread | Heat Treated Carbon Steel | Square Single Star Metal InsertHover over image to zoom in Pinit SKU: S71-405 The single point threading inserts offer an invisible connection between two different pieces of square tubing.Specifically designed to be inserted into steel tubular legs and will not pull out with movement.Ideally used with levelers... The single point threading inserts offer an invisible connection between two different pieces of square tubing.Specifically designed to be inserted into steel tubular legs and will not pull out with movement.Ideally used with levelers.This threaded insert for steel tubing can be used with 16 to 18 gauge tubing and works well in commercial, industrial and residential applications.Manufactured from heat treated, hardened steel that offers extra durability when installed.Read More Options : Per Piece , 1-1/4" , 5/16-18 Back $2.54 Step 1 - Select Thread Thread : 5/16-18- Select -5/16-183/8-161/4-20Step 2 - Select Tube Size Tube Size : 1-1/4"- Select -1-1/4"7/8"1"2"1-1/2"1-1/8"3/4"5/8"Step 3 - Select Purchase Option Purchase Option : Per Piece Per Piece $2.54 per pieceOur return policy Quantity Pricing1 - 99100 - 9991000 - 49995000 +$2.54$1.36$0.61$0.56 This item is IN STOCK Item ships within 1 - 2 Business Days. This Item is not available to buy online. A representative will contact you, by completing our "Request a Quote" option below.-+ Add to Cart -+ Add sample to cart View in catalog (PDF)