Description

5/16-18 x 1" Phillips Truss Head Machine Screws Stainless Steel 18-8 Qty 25 A Truss head screw has a head with flat underside and a slightly domed top. It has almost no exposed edge. Machine Screws have with "machine" threads for use with a nut or in a tapped hole. Also referred to as a stove bolt. General Product Information Head Style : Truss Drive Style : Phillips Drive Size : #4 Thread Size : 5/16-18 Length : 1" Material : Quantity of Fasteners in Package : 25 Detailed Product Information: Head Diameter : Head Height : 0.183" Thread Diameter : 0.3125" Threads Per Inch (TPI) : 18 Coarse or Fine Thread : COARSE Thread Coverage : Full Thread Thread Length : 1"" Key Notes: Machine screws are uniformly threaded screws of 1/4" nominal diameter or less that is designed to be threaded into uniformly threaded nuts or threaded holes in the parts they are intended to fasten. Machine screws primary tightening is accomplished by turning the head of the screw. With a bolt, the primary tightening procedure might be accomplished by turning the nut. Truss heads have very wide and low profile that gives a clean appearance as well as offering a much larger than most surface area that is required for applications where there is a risk of a screw head pulling through a pilot hole. Phillips drive is a cross head design and is the most commonly used type in America. Phillips is often criticized for its tendency to cam out at lower torque levels but this was actually a deliberate feature of the design, for the purpose of assembling aluminum aircraft without overtightening the fasteners. The vast majority of stainless steel fasteners are produced with metals from the austenitic family. Their high levels of chromium and nickel provide tough corrosion resistance and the ability to withstand considerable physical strain without fracturing, albeit at a higher cost than the martensitic varieties. Made of stainless steel grade 18-8 which offers a high level of chemical and corrosion resistance and strength that will out perform and out last all zinc plated fasteners for years with out the need to perform costly and time consuming maintenance. Shipping: All orders placed before 3:30 pm EST Will Ship Same Day Tracking is provided on ALL Orders Priority Mail Shipping service is offered at a discount of only $3.95 UPS Ground UPS Next Day Air is available, Please inquire for pricing Returns : ALL returns are accepted if returned within 60 days. Money Back or exchange guaranteed. NO Restocking Fees. For YOU, we constantly strive to find ways to improve our performance.