![]() ![]() (2009). Bolted Joint Design: Mechanical Properties of Steel Fasteners in Service. In developing this information, Extreme Bolt & Fastener, LLC has made a determined effort to present its contents accurately.įastenal. The data provided should be used as a guide, but actual material strengths and fastener conditions may vary. All data included in this chart is advisory only and its use by anyone is voluntary. Under/over tightening of fasteners can result in costly equipment failure or personal injury. Torque is only an indirect indication of tension. *Yield strength used to calculate torque values are based on the typical yield.*ĬAUTION: Care should be used when applying a formula for torque/tension relationships. The percentages provided are illustrative of what one might expect to see should only be used as a general guide. NOTE: The actual clamp load is dependent on a variety of factors including the material, condition of the fasteners, surface finish, lubrication etc. Below are guides that show these calculations for a variety of materials, bolts sizes and thread counts over a range of frictional conditions. The amount of torque applied is a function of the frictional forces and bolt diameter and is typically calculated utilizing a clamp load equaling 60-70% of the yield. In the case of bolts and nuts, this elastic deformation between the bolt head and the nut is critical in order to create tension or clamping force to hold the joint together. Torque is applied to the fastener in an effort to elastically deform the bolt shank. Chemical Processing Chemical Processing.Corrosion Resistance Corrosion Resistance.Applications Overview Applications Overview.Engineered Polymers Engineered Polymers.Torque Specifications Torque Specifications.Technical Questions - FAQ's Technical Questions - FAQ's.Strength Comparison Strength Comparison.Material Selector Tool Material Selector Tool.Pan Head Phillips Drive Screw - Half Thread1-800 Pieces Per Package. Pan Head Machine Screw - Ultra Wide Flange, Hex Drive, 18-8 Stainless Steel/6061 Aluminum, Metric. Small Pan Head Phillips Drive Screw - Flanged1-15,000 Pieces Per Package. Bolt and Fastener Weight Calculator Bolt and Fastener Weight Calculator Pan Head Combination Phillips/Slotted Screw1-4,000 Pieces Per Package.Flange Bolting Chart Flange Bolting Chart.Socket Weld Flanges Socket Weld Flanges.Anti-Seize Lubricant Anti-Seize Lubricant.Socket Head Cap Screws Socket Head Cap Screws.Self Drilling Screws Self Drilling Screws.Hex Head Cap Screws Hex Head Cap Screws.Button Head Cap Screws Button Head Cap Screws. ![]() XBF Fastener Marking XBF Fastener Marking Ls3 Heads On Lq9 CNC-ported for approximately 10 percent greater airflow (intake side) than the regular-production cylinder head (similar to LS3 CNC-ported.Secondary Processes Secondary Processes.Coatings And Plating Coatings And Plating.Additional Capabilities Additional Capabilities.Socket Set Screws are designed to be used where permanent or adjustable locations of components on shafts is required. They are set in countersunk holes and the top of the head is flush with the surface of the assembly. Due to the head design these parts should not be used in critical applications where high tensile strength is required.įlat Head Socket Cap Screws, DIN 7991 / ISO 10642įlat socket head cap screws are designed for use in applications where the head cannot protrude above the mating parts. The greater under head area also protects mating parts from damage. The curved design of the button head is decorative and protects adjoining parts from scrapes and other damage. Due to the head design these parts should not be used in critical applications where high tensile strength is requiredīutton Head Socket Cap Screws, ISO 7380 / DIN 9427īutton socket cap screws are designed for applications that allow the head to protrude above the mating parts. Low head socket cap screws are designed to be used where clearance is an issue or the mating parts are too thin for standard socket head cap screw. They should be used where high strength and ease of installation are required. Socket head cap screws are designed to be used with a head protruding or counter bored. ![]() Socket Head Cap Screws, DIN 912 / ISO 4762 Figures only valid for coarse thread screws and should be used as a reference guide only as variables such as but not limited to temperature, lubrication, plating and condition of mating threads will change Torque figures. Note - All Torque figures given as R.S, or 'Recommended Seating Torque' figures except the Socket Set Screw torque given as 'Proof Torque'. Metric Fasteners - Socket Screws Torque Figures, Alloy Steel ![]()
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