Lag screws require a pilot hole pre drilled before installation and to be driven in with a ratchet due to their size. The minimum thread length shall be equal to one-half the screw length plus 1/2? Or 6, whichever is less. Above Mentioned is a General reference, If exact thread length is needed please inquire. Hex Head Width Flat to Flat : 9/16" (0.5625").
Body Diameter : 3/8" (0.3750"). Length Measured Under Head : 1-1/2.
Quantity of Fasteners In Package1000. Material : Galvanized A307 Alloy Steel. Tracking is provided on ALL Orders. UPS Next Day Air is available, Please inquire for pricing.For YOU, we constantly strive to find ways to improve our performance. This item is in the category "Business & Industrial\Fasteners & Hardware\Screws & Bolts". The seller is "lightningstainless" and is located in this country: US. This item can be shipped worldwide.