Measure the depth of the wood or drawer panel.Start measuring the desired screw length with the following steps: To get accurate measurements, you can use a measuring tape or make a dent on the breaking point. You’ll have to check the depth of both cabinet door panels and the insertion point in the knobs. The depth of the drawer refers to the thickness of the wood where the cabinet knobs will be attached. How To Measure The Breaking Point in a Breakaway Screw? The score, notch, or breaking point is a dented part of the breakaway screw where you can break the screw with ease. Unthreaded shank is the unthreaded part of the screw.Screw drives are the indentation on top of the head of the screw where you attach the screwdriver that you use to tighten or loosen the screw.The head of the screw is the head of the screw where you place the tip of the screwdriver to tighten or loosen the screw.Screw threads or threads are the helix-shaped ridges around the body of the screw.Here are the parts of the breakaway screw that you should familiarize yourself with: Depending on the thickness of the wood or the design of the knob, you can modify the size of the screw by breaking it at your desired length. The beauty of breakaway screws is its flexibility when it comes to its size. 8-32 X 1 – ¾ Truss #2 Phillips drive breakaway machine screw – Zinc – 4M/CTN.8-32 X 1 – ⅛ Truss #2 Phillips drive breakaway machine screw – Zinc – 6.5M/CTN.8-32 X 1 – ¼ Truss #2 Phillips drive breakaway machine screw – Zinc – 5.5M/CTN.8-32 X 1 – ½ Truss #2 Phillips drive breakaway machine screw – Zinc – 4.5M/CTN.8-32 X 1 Truss #2 Phillips drive breakaway machine screw – Zinc – 7.5M/CTN.8-32 X ⅞ Truss #2 Phillips drive breakaway machine screw – Zinc – 8.5M/CTN.8-32 X ⅝ Truss #2 Phillips drive breakaway machine screw – Zinc – 12M/CTN.8-32 X ¾ Truss #2 Phillips drive breakaway machine screw – Zinc – 10M/CTN.M4 X 45 MM Truss M4 Metric Breakaway machine screw ZINC.8-32 X 1 – ¾ Truss #2 Phillips drive breakaway machine screw – Zinc.The standard size for breakaway screws is 8-32 with varying lengths that you can find in any hardware store. It is the screw commonly used for attaching knobs and pulls to cabinet drawers, cabinet doors, and other furniture. Size not listed? Please make an enquiry – we may be able to provide it.A breakaway screw or machine breakaway screw is a type of screw that has unthreaded breaks at every ¼” of its threads. Non-standard sizes and materials are available to order as specials, including custom parts made to drawings. Security shear nuts are available from Fastenright in Steel Zinc plated, A2 and A4 stainless Steel or Galvanised mild Steel. The hexagon nut section is fully tightened with a standard spanner or socket until the pressure applied surpasses the maximum torque limit, which causes the hexagonal part of the nut to break off, leaving a plain tamper resistant cone shape which is extremely difficult to remove as there is nothing to grip. Tightened using standard spanner or socket.Breakaway hex nut and cone shaped permanent nut.One of the best 1-way security solutions available.Can be used anywhere where a permanent fixing is needed. for security perimeter fencing, and the automotive industry. Security shear nuts, also known as breakaway nuts, snap off nuts or permacone nuts, are a premium 1-way permanent security solution ideal where maintenance is not required.ĭesigned to prevent unauthorised tampering or removal of equipment or facilities, breakaway nuts are typically used in public areas (schools, hospitals etc) and within the fencing industry, e.g.
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