Lag Bolts Bolts with a wood thread and pointed tip. Abbreviated Lag : Flange Bolts Flange bolts have a flange on the bottom of the head that distributes the load like a washer. Socket Screws Socket screws , also known as Allen head, are fastened with a hex Allen wrench. Eye Bolts A bolt with a circular ring on the head end. Lag Bolt Drill Size Chart . October 15, 2018 herements. Lag bolt dimension haydon bolts inc lag sizes allpointsfasteners lses and tension lo in concrete sdws ing values are equivalent to 2016 irc table r507 2 the above also provides for a wide range of materials. Apr 29, 2009 Lag Screw Wood Screw Pilot Hole Sizes Info on: April 29, 2009, AM More than once in various topics I have admonished builders to use the correct size pilot hole when fastening with lag screws .
Nuts, Bolts Machine Screw Sizes Recipes for Home Repair by Alvin Ubell Sam Bittman . Figure H. Common Fasteners: Anchors, Bolts , Screws Nails Nail Size Chart : Expansion Bolt , often called the Molly bolt , for Hollow Walss (plaster board) Toggle Bolt for Hollow Walls Expansion Shield for Masonry . Lag Bolts ( Screws ) Lag Screw Pilot Hole Diameters Pilot or lead holes are typically used to ease the installation of lag bolts . Refer to the chart heremonly accepted hole sizes . Typically, lag bolt sizes range from 1/ 4 to 3/4 in diameter, and lengths span from about 1 to 16. Although 7/16 is detailed in the ASME standard, that size heremonly available. Measure length from under the head to the threaded end of the bolt . The size of the head varies with the size of the lag bolt .
A helpful guide with lag screws dimensions, tolerance on length, and performance and mechanical specs. All you need to know about lag screws ! ‡Length of a lag screw is measured from the underhead bearing surface to the extreme end of the screw . Nominal Screw Size Nominal Screw Length Thru 6 in. Over 6 in. 1/2 and smaller 0.12 0.25 Over 1/2 0.25 0.25 This page prints with a watermark. Title: Cap Screw Lags Shop our selection of Lag Bolts in the Hardware Department at The Home Depot.