Hexagon Nut And Screw Head Covers PART NUMBER White Nominal Thread Size Across Flats Hexagon H Black *1639575 *1639576 *1639577 1639578 1639579 1639580 *1639581 *1639582 *1639583 1639585 1639586 1639587 M4 M5 M6 M8 M10 M12 6.9 7.9 9.8 13.0 16.7 18.7 8.7 10.7 13.0 15.0 19.5 21.5 Material: Low Density Polyethylene RoHS Directive 2002/95/EC compliant RoHS Protects and gives a neat finish to exposed metal hexagon nuts and screw heads Quick and simple to install This part has a circular external form and a hexagonal internal form and is suitable for Hexagon Head screws and nuts. Parts marked * will also fit the appropriate size Metric Cheese Head Screw (Chapter 6) Material Properties Mechanical/Physical Properties Units Value Density Water Absorption Tensile Strength, Yield Elongation at Yield Tensile Modulus g/cm3 % MPa % GPa 0.924 0.01 11.0 14.5 0.260 Electrical Properties Units Value Electrical Resistivity Surface Resistivity Dielectric Constant (1 MHz) ohm-cm ohm - ≥1.00e+15 1.00e+14 2.30 Thermal Properties Units Value Melting Point Short Term Minimum Working Temperature Short Term Maximum Working Temperature Flammability Oxygen Index °C °C °C UL94 % 111 -40 55 HB 17.0 Above information is for guidance only and should not be used to establish specifications or as the basis of a design Hinged Screw Covers PART NUMBER Black White Red Green 1639588 1639589 1639590 1639591 1639592 1639593 1639594 1639595 1639597 1639598 1639599 1639600 Material: Polypropylene Screw Size A B M3/M4 & N°4 M4/M5 & N°8/N°10 M6 & 1/4" 11.5 13.7 17.4 5.0 5.5 6.5 All-in-one base and cover Cap snaps into base to give a neat and decorative finish Available in matt finish only RoHS Directive 2002/95/EC compliant RoHS Material Properties Mechanical/Physical Properties Units 3 Value Density Hardness Tensile Strength, Yield Elongation at Yield Flexural Modulus g/cm Shore D MPa % GPa 0.9 71 35.9 490 1.39 Thermal Properties Units Value Deflection Temperature at 0.45MPa Vicat Softening Temperature °C °C 104 150 Above information is for guidance only and should not be used to establish specifications or as the basis of a design Pop-On Screw Covers PART NUMBER Black White Red Green 1639601 1639603 1639604 1639605 1639606 1639607 1639608 1639609 1639610 1639611 1639612 1639613 Material: Polypropylene RoHS Directive 2002/95/EC compliant Screw Size A B M3/M4 M4/M5 M6 12.7 16.0 17.8 5.1 6.5 6.6 Can also be used with No 4, 6, 8, 10 and s - 20 screws RoHS Allow approximately 0.50 extra for assembled height These parts must be used with Pop-On Screw Cover Bases - see below Pop-On Screw Cover Bases PART NUMBER To Fit Pop-on Screw Covers Screw Size A B C D 1639615 1639616 1639617 1639618 1639619 1639620 1639621 1639622 1639601 to 1639611 1639601 to 1639611 1639601 to 1639611 1639603 to 1639612 1639603 to 1639612 1639603 to 1639612 1639604 to 1639613 1639604 to 1639613 M3 & No4 Pan M3.5 & No6 Pan M3/M4 & No4/No8 CSK M4 & No8 PAN M5 & No10 PAN M4/M5 & No8/No10 CSK M6 & 1/4" PAN M6 & 1/4" CSK 2.9 2.9 2.9 3.2 3.2 3.2 3.2 3.3 10.5 10.5 10.5 12.7 12.8 12.8 15.7 15.7 3.0 3.8 3.8 4.5 5.0 5.0 6.2 6.2 7.0 7.0 9.3 9.3 12.4 - Material: Polypropylene Colour: Natural RoHS Directive 2002/95/EC compliant RoHS Pop-on screw covers and bases may be used with:- flat head nails, countersunk screws, self tapping screws, rivets, drive screws, machine screws, washer faced screws and other types of fasteners Cover locks firmly onto base to provide a neat and decorative finish Material Properties Mechanical/Physical Properties Units Value Density Hardness Tensile Strength, Yield Elongation at Yield Flexural Modulus g/cm3 Shore D MPa % GPa 0.9 71 35.9 490 1.39 Thermal Properties Units Value Deflection Temperature at 0.45MPa Vicat Softening Temperature °C °C 104 150 Above information is for guidance only and should not be used to establish specifications or as the basis of a design Metric Knurled Thumb Nuts PART NUMBER Thread Size A B H L Form 1639623 1639624 1639625 1639627 1639628 1639629 1639630 M3 x .5 M4 x .7 M5 x .8 M6 x 1.0 M4 x .7 M5 x .8 M6 x 1.0 12.0 12.0 16.0 16.0 16.0 16.0 16.0 7.0 7.0 9.5 9.5 9.5 9.5 9.5 7.0 7.0 8.0 8.0 8.0 8.0 8.0 3.5 3.5 4.5 4.5 4.5 4.5 4.5 A A A A B B B PART NUMBER Thread Size A B H L Form 1639631 1639632 1639633 1639634 1639635 1639636 M4 x .7 M5 x .8 M6 x 1.0 M4 x .7 M5 x .8 M6 x 1.0 16.0 16.0 16.0 16.0 16.0 16.0 10.0 10.0 10.0 10.0 10.0 10.0 6.0 6.0 6.0 6.0 6.0 6.0 4.5 4.5 4.5 4.5 4.5 4.5 C C C D D D Material: Nylon 66 Colour: White RoHS Directive 2002/95/EC compliant RoHS Thread Size Suggested Max. Tightening Torque (Nm) for Nylon 6,6 screws as per DIN3481X M3 M4 M5 M6 0.10 0.25 0.50 0.80 N/A = Test data not available 1Nm = 8.851lbf-in Above information is for guidance only and should not be used to establish specifications or as the basis of a design Material Properties Values measured at 23°C @ 50% RH Mechanical/Physical Properties Units Value Density Water Absorption Tensile Strength at Break Elongation at Yield Tensile Modulus g/cm3 % MPa % GPa 1.14 1.3 55 30 1.50 Electrical Properties Units Value Electrical Resistivity Surface Resistivity Dielectric Strength ohm-cm ohm kV/mm ≥1.00e+14 0.10e+14 26 Thermal Properties Units Value Melting Point Short Term Minimum Working Temperature Short Term Maximum Working Temperature Flammability Oxygen Index °C °C °C UL94 % 263 -40 110 V2 26.5 Above information is for guidance only and should not be used to establish specifications or as the basis of a design