Specialty Screws - Interstate Screw Corporation

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8 Superior Installation: The installation of screws into your application should be easy and trouble free. Many factors relating to the screw, the application materials and the installation tools used can affect your installation process. Drive Torque: Drive torque should be very low to allow for a quick and easy installation of the screw. Your drive torque will be directly related to the friction between the screw and the inside of the hole. Swageform’s patented lobes on its tapered point reduce drive torque. These lobes limit the initial contact with the hole while still allowing for the forming of threads. The result is low drive torques in your assembly process. �� www.emhart.com Swageform ® High Performance Thread Rolling Screws For Metals Swageform vs. The Competition – Test Results SWAGEFORM VS. TAPTITE ® TRILOBE (#10-24) Strip Torque: The torque required for the screw to strip-out in your application is recommended to be as high as possible, as strip-out results in scrap or costly rework operations. Swageform, while providing low drive torques, also provides very high strip torques. As a Swageform penetrates into the hole during installation, you progress from the tapered pilot with the lobes, to the full bodied screw shank. This full bodied screw shank is 360° around and thus provides a full 360° of frictional contact with your application. This complete frictional contact results in very high strip torques in your assembly process. Test Results: The drive and strip torques of our Swageform have been measured against common tri-lobular threadforming screws. The difference between the drive and strip torque for a given screw is referred to as your installation torque window. Below is a graphical representation of these tests. Each bar represents the difference between the drive torque and the strip torque for an individual screw. You can see that the torque window for Swageform is significantly larger than with a Taptite ® screw. Torque Difference Strip to Drive (Inch – Lbs.) � � � � � � � � � �� This increased torque window reduces stripped out assemblies resulting in: ■ A reduction of scrapped or reworked assemblies ■ Increased productivity Swageform Taptite ® Trilobe ■ A more forgiving environment to screw guns where torques can run high due to a less than optimum maintenance schedule Superior Strength In The Field: During installation, Swageform screws form threads by swaging or compacting the metal. This method of threadforming work hardens the material, making it denser and stronger. The result is a much stronger assembly when compared to thread cutting screws (Type F or Type T) which cut away chips and weaken the application material. In addition, Swageform’s fully rounded 360° body provides the maximum amount of grip between the screw and the hole. Compared to a trilobular threadforming screw which only grips the hole at three points, a Swageform provides a far stronger assembly in the field. The result is higher pull-out strengths and higher tensile loads. CERTIFIED ISO 9001 • QS 9000 ISO 14001 Emhart Fastening Teknologies • US Tel (203) 944-1711 • Fax (800) 220-4286 Europe Tel 44-121 356 4811 • Fax 44-121 331 2281 Mexico Tel 52-5-326-7100 • Fax 52-5-326-7141
Swageform ® High Performance Thread Rolling Screws For Metals Nominal Metal Optimum Driving Strip Screw Size Thickness Hole Size Torque Torque 4 - 40 1/16" 0.098" 3 - 4 In-lbs. 14 - 16 In-lbs. 3/32" 0.101" 4 - 5 In-lbs. 18 - 21 In-lbs. 1/8" 0.102" 4 - 5 In-lbs. 22 - 25 In-lbs. M3 - 0.5 1.5mm 2.72mm 2.25mm 2.76mm 3mm 2.79mm 5 - 40 1/16" 0.111" 4 - 5 In-lbs. 18 - 21 In-lbs. 3/32" 0.113" 4 - 5 In-lbs. 22 - 25 In-lbs. 1/8" 0.114" 6 - 8 In-lbs. 25 - 30 In-lbs. M3.5 - 0.6 1.75mm 3.17mm 2.75mm 3.21mm 3.5mm 3.25mm 6 - 32 1/16" 0.12" 4 - 5 In-lbs. 22 - 25 In-lbs. 1/8" 0.125" 8 - 10 In-lbs. 24 - 30 In-lbs. 3/16" 0.125" 8 - 10 In-lbs. 28 - 32 In-lbs. M4 - 0.7 2mm 3.61mm 3mm 3.66mm 4mm 3.7mm 8 - 32 1/8" 0.15" 5 - 7 In-lbs. 60 - 65 In-lbs. 3/16" 0.15" 9 - 11 In-lbs. 65 - 70 In-lbs. 1/4" 0.152" 9 - 11 In-lbs. 65 - 70 In-lbs. M4.5 - 0.75 2.25mm 4.09mm 3.5mm 4.13mm 4.5mm 4.18mm 10 - 24 1/8" 0.173" 12 - 15 In-lbs. 85 - 90 In-lbs. 3/16" 0.173" 16 - 18 In-lbs. 95 -100 In-lbs. 1/4" 0.177" 16 - 18 In-lbs. 85 - 90 In-lbs. 10 - 32 1/8" 0.173" 13 - 15 In-lbs. 95 -100 In-lbs. 3/16" 0.177" 13 - 15 In-lbs. 110-120 In-lbs. 1/4" 0.177" 14 - 16 In-lbs. 120 -130 In-lbs. SWAGEFORM APPLICATION INFORMATION Nominal Metal Optimum Driving Strip Screw Size Thickness Hole Size Torque Torque M5 - 0.8 2.5mm 4.56mm 3.75mm 4.61mm 5mm 4.66mm 12 - 24 1/8" 0.199mm 20-25 In-lbs. 75 - 80 In-lbs. 3/16" 0.199mm 25-28 In-lbs. 100-110 In-lbs. 1/4" 0.201mm 25-30 In-lbs. 160-170 In-lbs. M6 - 1.0 3mm 5.45mm 4.5mm 5.51mm 6mm 5.58mm M6.3 - 1.0 3.15mm 5.75mm 4.5mm 5.81mm 6.3mm 5.88mm 1/4 - 20 1/8" 0.224" 28 - 30 In-lbs. 165 - 185 In-lbs. 3/16" 0.224" 35 - 40 In-lbs. 175 - 195 In-lbs. 1/4" 0.228" 30 - 35 In-lbs. 220 - 240 In-lbs. M7 - 1.0 3.5mm 6.45" 5.25mm 6.51" 7mm 6.58" 5/16 - 18 1/8" 0.281" 45 - 55 In-lbs. 175 - 190 In-lbs. 1/4" 0.287" 80 - 85 In-lbs. 350 - 400 In-lbs. 5/16" 0.29" 95 - 100 In-lbs. 400 - 440 In-lbs. M8 - 1.25 4mm 7.31mm 6mm 7.39mm 8mm 7.47mm 3/8 - 16 1/8" 0.344" 60 - 80 In-lbs. 1/4" 0.348" 90 - 110 In-lbs. 3/8" 0.354" 110 - 130 In-lbs. M10 - 1.5 5mm 9.27mm 7.5mm 9.27mm 10mm 9.37mm QUICK REFERENCE DRILL SIZES FOR SWAGEFORM SCREW APPLICATIONS Screw Material .020 – .078" .063 – .140" .125 – .266" .250 – .328" .313 – .500" Material Thickness Size Type Drill-Bit Decimal Drill-Bit Decimal Drill-Bit Decimal Drill-Bit Decimal Drill-Bit Decimal 4 - 40 Steel 40 .098" 38 .102" 37 .104" Aluminum 40 .098" 39 .100" 38 .102" 38 .102" 5 - 40 Steel 34 .111" 33 .113" 32 .116" Aluminum 35 .110" 34 .111" 33 .113" 33 .113" 32 .116" 6 - 32 Steel 31 .120" 1/8 .125" 30 .129" Aluminum 31 .120" 31 .120" 1/8 .125" 1/8 .125" 1/8 .125" 8 - 32 Steel 26 .147" 25 .150" 23 .154" Aluminum 26 .147" 25 .150" 24 .152" 24 .152" 10 - 24 Steel 19 .166" 11/64 .172" 16 .177" Aluminum 19 .166" 19 .166" 18 .170" 17 .173" 10 - 32 Steel 17 .173" 16 .177" 15 .180" Aluminum 17 .173" 17 .173" 16 .177" 15 .180" 12 - 24 Steel 10 .194" 8 .199" 13/64 .203" Aluminum 11 .191" 9 .196" 8 .199" 13/64 .203" 1/4 -20 Steel 7/32 .219" 5.7mm .224" 1 .228" A .234" Aluminum 7/32 .219" 2 .221" 5.7mm .224" 1 .228" 5/16 - 18 Steel K .281" K .281" 7.25mm .285" L .290" Aluminum K .281" K .281" 7.25mm .281" 7.3mm .287" 3/8 - 16 Steel 11/32 .344" S .348" 9mm .355" Aluminum R .339" 11/32 .344" S .348" Emhart Fastening Teknologies • US Tel (203) 944-1711 • Fax (800) 220-4286 Europe Tel 44-121 356 4811 • Fax 44-121 331 2281 Mexico Tel 52-5-326-7100 • Fax 52-5-326-7141 www.emhart.com CERTIFIED ISO 9001 • QS 9000 ISO 14001 9
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Specialty Screws - Interstate Screw Corporation

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