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47 Captive Screws

47 Captive Screws
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47 Captive Screws

Product catalog summary
Overview: The document details specifications and installation instructions for Southco's 47 Captive Screws, designed for hand operation and compliant with UL-1950 standards. Available styles include Press-In, Flare-In, Floating, and Snap-In, with thread sizes M3, M3.5, and M4.
Specifications:
  • Material and Finish: Ferrules are made from hardened carbon steel with zinc plating for Press-In style, and aluminum for other styles. The P.C. board style uses 300 Series stainless steel. Knobs are aluminum, available in natural or black powder-coated finishes. Screws are hardened carbon steel with zinc plating.
  • Recess Styles: Options include Slotted, Phillips, TORX®, and combinations.
Installation Notes: Detailed instructions are on pages 546-547 and 627. Use genuine SOUTHCO® parts, identifiable by the segmented circle mark.
Part Number Customization: Instructions for modifying part numbers for different finishes and knob styles are provided. For example, changing 47-80-102-14 to 47-80-102-54 adds a black powder-coated finish.
Tables and Data: Tables list part numbers, dimensions, and specifications for each screw style and size, including key dimensions like knob height and screw projection.
Trademark Notice: TORX® is a registered trademark of CAMCAR Innovations.
Part Number Changes: For black powder-coated finishes, change part numbers as follows:
  • 47-80-102-14 to 47-80-102-54
  • 47-80-102-24 to 47-80-102-64
  • 47-80-102-34 to 47-80-102-74
For smooth knobs, change part numbers as follows:
  • 47-90-161-20 to 47-90-161-21
  • 47-90-101-24 to 47-90-101-25
Product Specifications:
  • Dimensions are in millimeters (inches).
  • Installation styles: Press-In, Floating, Flare-In, Snap-In.
  • Knob series thread sizes: 6-32, 8-32, 10-32.
  • Materials: hardened carbon steel, aluminum; finishes: zinc plating, black powder coating.
Design Features:
  • Designed for hand operation with spring ejection.
  • Available in various sizes, recesses, and installation options.
  • Meets UL-1950 standards for smooth knobs.
Installation Specifications:
1. Prepare the panel with correct hole dimensions.
2. Use a suitable press with light pressure.
3. Insert screw assembly into the hole.
4. Center tool over screw thread and flare ferrule using light pressure.
5. Installation force: 1600 N (350 lbf) to 2500 N (550 lbf), depending on thread size.
Thread Size and Clearance Hole Dimensions:
- M3 or 4-40: Ø D = 5.6 mm, Ø Z = 3.2 mm
- M3.5 or 6-32: Ø D = 6.4 mm, Ø Z = 3.7 mm
- M4 or 8-32: Ø D = 8 mm, Ø Z = 4.4 mm
- M5 or 10-32: Ø D = 8 mm, Ø Z = 5.2 mm
- M6 or 1/4-20: Ø D = 9.5 mm, Ø Z = 6.2 mm
Material and Finish:
- Ferrule: Steel, Tin plated
- Knob: Aluminum, natural
- Screw: Hardened carbon steel, zinc plated, chromate, plus sealer
- Internal spring: 300 series stainless steel, passivated
- Plug: Silicone rubber
Installation Guidelines:
- Ensure panel material hardness does not exceed specified limits.
- Mounting holes should be sharp-edged without chamfering.
- Use a parallel-acting press for even force distribution.
- Installation should occur after panel plating or finishing.
Additional Notes:
- Self-clinching products require proper hole preparation.
- Minimum distance from panel edge: 1.5 times the diameter of the mounting hole.
- Over-installation can reduce retention strength.
See more

Catalog excerpts

47 Captive Screws-1

Styled knob series · M3 thread size • Smooth knob meets UL-1950 • Designed for hand operation • Spring ejected • Wide variety of sizes, recesses and installation options Recess Styles Slotted No. 1 Phillips / Slot Combination T10 TORX® / Slot Combination ACTUAL SIZE Material and Finish Ferrule: Press-in: Hardened carbon steel, zinc plated, chromate, plus sealer Flare-in and Floating: Aluminum, natural P.C. board style: 300 Series stainless steel, passivated Knob Height and Screw Projection (Flare-in style shown) Knob: Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer Installation Notes Notes To ensure you receive SOUTHCO® quality parts, look for the segmented circle Installation Styles Press-In Style Flare-In Style Floating Style Ferrule Thread size TORX® is a registered trademark of CAMCAR Innovations Dimensions in millimeters (inch) unless otherwise stated

 Open the catalog to page 1
47 Captive Screws-2

Outer Panel Dimensions Total Flange Float Length L Screw Projection Beyond Outer Surface of Panel Part Number TORX® TORX® / Slot Phillips / Slot Recess Combination Combination Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black powder coated finish, change the part number from the table as shown: For a smooth knob, change the part number from the table as shown: Part Number See table All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX® is...

 Open the catalog to page 2
47 Captive Screws-3

Styled knob series · M3.5 thread size • Smooth knob meets UL-1950 • Designed for hand operation • Spring ejected • Wide variety of sizes, recesses and installation options Recess Styles Slotted T15 TORX® / Slot Combination No. 2 Phillips / Slot Combination ACTUAL SIZE Material and Finish Ferrule: Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer P.C. board: 300 Series stainless steel, passivated Flare-in, floating and snap-in: Aluminum, natural Knob Height and Screw Projection (Flare-in style shown) Knob: Aluminum, natural or black powder coated Screw: Hardened carbon steel,...

 Open the catalog to page 3
47 Captive Screws-4

Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Part Number TORX® Recess TORX® / Slot Combination Phillips / Slot Combination Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness Change 1 to 5: Change 2 to 6: Change 3 to 7: To add a black powder coated finish, change the part number from the table as shown: For a smooth knob, change the part number from the table as shown: Part Number All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply southco...

 Open the catalog to page 4
47 Captive Screws-5

Styled knob series · M4 thread size • Designed for hand operation • Spring ejected • Wide variety of sizes, recesses and installation options Recess Styles Slotted T25 TORX® / Slot Combination No. 2 Phillips / Slot Combination Material and Finish Ferrule: Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in, floating and snap-in: Aluminum, natural Knob: Aluminum, natural or black powder coated ACTUAL SIZE Knob Height and Screw Projection (Flare-in style shown) Screw: Hardened carbon steel, zinc plated, chromate, plus sealer 1 (.04) Screw projection for TORX® and ® TORX...

 Open the catalog to page 5
47 Captive Screws-6

Installation Height Style Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Part Number TORX® TORX® / Slot Phillips / Slot Recess Combination Combination To add a black powder coated finish, change the part number from the table as shown: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Part Number All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply southco TORX® is a registered...

 Open the catalog to page 6
47 Captive Screws-7

Styled knob series · M5 thread size • Designed for hand operation • Spring ejected • Wide variety of sizes, recesses and installation options Recess Styles Slotted T25 TORX® / Slot Combination No. 2 Phillips / Slot Combination Material and Finish Ferrule: Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in, floating and snap-in: Aluminum, natural Knob: Aluminum, natural or black powder coated ACTUAL SIZE Knob Height and Screw Projection (Flare-in style shown) Screw: Hardened carbon steel, zinc plated, chromate, plus sealer 1 (.04) Screw projection for TORX® and ® TORX...

 Open the catalog to page 7
47 Captive Screws-8

Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Part Number TORX® Recess TORX® / Slot Phillips / Slot Combination Combination Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black powder coated finish, change the part number from the table as shown: For a smooth knob, change the part number from the table as shown: Part Number All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply southco TORX® is a registered trademark of CAMCAR...

 Open the catalog to page 8
47 Captive Screws-9

Styled knob series · M6 thread size • Designed for hand operation • Spring ejected • Wide variety of sizes, recesses and installation options Recess Styles No. 2 Phillips T30 TORX® / Slot Combination No. 2 Phillips / Slot Combination Material and Finish Ferrule: Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in and Floating: Aluminum, natural Knob: Aluminum, natural or black powder coated ACTUAL SIZE Knob Height and Screw Projection (Flare-in style shown) Screw: Hardened carbon steel, zinc plated, chromate, plus sealer Installation Notes 1 (.04) Screw projection ® for...

 Open the catalog to page 9
47 Captive Screws-10

Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Part Number TORX® TORX® / Slot Phillips / Slot Recess Combination Combination Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black powder coated finish, change the part number from the table as shown: For a smooth knob, change the part number from the table as shown: Part Number All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply southco TORX® is a registered trademark of CAMCAR...

 Open the catalog to page 10

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.