M4 & M3  SCREW CONNECTING BOLTS WITH SLEEVES or  CUP SQUARE COACH CARRIAGE FOR DOOR HANDLES, ROSES, KNOBS AND

 ESCUTCHEONS

General Description for M3 and M4 INTERNAL and EXTERNAL Door Handle Connecting Screws with Sleeves

  • Used to fasten door handles, knobs, roses and escutcheons. These screws with sleeves are used to replace existing or damaged screws that attaches two handles together.

  • How to use: Drill a hole through the door leaf, place door handle on the door to match up with the hole drilled and push the screw trough the door handle, door leaf the handle on the other side. Attach the sleeve and tighten up. Follow these instructions for all 4 holes in the door handle. The result is a handle securely fixed with screws that cannot be pulled through.

Item Description/Technical Data for M3 - NON Snap-off


Dimensions:

Screw overall length: 50 mm
Screw diameter is 3mm
Sleeve overall length: 20 mm
Sleeve diameter: 3 mm
Both the sleeve and the screw has a slotted head.
Colour: Brass or Chrome plated

Item Description/Technical Data for M4 INTERNAL - Snap-off


Dimensions:

Screw Overall length: 60 mm
Screw diameter: 4 mm
Sleeve overall length: 22.6 mm
Sleeve diameter: 4.75 mm
Both the sleeve and the screw has a pozi head.
Colour:  Brass or Chrome plated

Item Description/Technical Data for M4 EXTERNAL
Dimensions: 
• Screw overall length: 60 mm 
• Screw diameter: 4 mm  
• Sleeve overall length: 20 mm 
• Sleeve diameter: 5 mm


Suitable for: 
• Handles rosettes and escutcheons 
• 35 - 45 mm and 46 - 60 mm door thickness
The screw lengths can be cut to suit doors width of between 35 - 50 mm thicknesses. 
Cuts can be done at 35, 40, 45 or 50 mm.

Where longer or shorter screws are required. The screw lengths can be cut to suit doors width of between 35 - 50 mm thicknesses. Cuts can be done at 35, 40, 45 or 50 mm.

                              Note: Both M3 and M4 Internal screws are not security screws and therefore are not suitable for external door handles.

           M4 External are security screws and therefore are suitable for external door handles.

Notes:

Pictures are for illustrative purposes.

Please allow 0.5mm measurement discrepancies. Dimensions are subject to manufacturer specifications tolerance.


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