Structurally rated lag bolts screws are available, but most home centers carry generic versions of varying quality. All home centers carry a large assortment of lag bolts screw sizes. Lag bolts screws cost a third of the price of structural screws . Structural Screws vs Lag Screws (construction ) (here . Unfortunately what many of those outside of the business don't realize is that those Structural Screws are ... not good for everything. I' LedgerLOK vs . 1/2 Lag Screws hereparison video demonstrates time saved using the LedgerLOK Structural Wood Screw in place of lags when connecting a …

Basic Differences Between Structural and Spax Lag Screws Most of our readers have asked us couple of times to publish a write-up explaining the general differences between heremonly used fastener in the industry i.e. spax lag screws and structural screws . Structural screws are heremon lag bolts or screws and make for more durable connections. While they are stronger than lag screws , they are also easier to install since they do not require pre-drilling a pilot hole. Aug 11, 2015 I also primarily use FastenMaster structural screws . I do keep several structural screws of different varieties on hand but I mostly buy them as need. It is a rarity for me to use lag bolts or even carriage bolts over a structural screw or a ThruLok.

A screw , on the other hand, is a fastener that is properly installed by rotating the head of the fastener. Since lags are not used with a nut and installed by turning the head of the fastener, the proper technical term would be “ lag screw ”. Lag screws can be provided with either a hex or square head. Lag Screw vs. Carriage Bolt Reply #1 on: April 25, 2007, AM It would definitely be stronger and will require less maintenance using through bolts - carriage or machine, depending on whether you like round heads or hex heads. GRK’s RSS™ Rugged Structural Screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. This is why the RSS screw is an efficient lag screw alternative. Our round head with built-in shield (washer type head) has no sharp edges like conventional lag screws . The added shoulder (