Description
WASHERS, WOODSCREWS, THREADED ROD, MISCELLANEOUS
A selection of fasteners commonly applicable to the construction and maintenance of sound and related equipment, including application specific hardware for such purposes as connector and panel mounting.
Terminology:
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Nuts | Full: | Ordinary nut |
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| Half: | Half thickness nut |
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| Nyloc: | With nylon locking collar |
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Special screws | Selftap: | Self tapping screw |
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| | Type AB has pointed end (ISO type C) |
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| | Type B has flat end (ISO type F) |
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| Plasform: | Plasform screw (self-cuts thread in plastics) |
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| Taptite: | Taptite screw (cuts thread in metals) |
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Screw heads | Hex: | Hexagonal |
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| Pozi: | “Pozidrive” style recess head |
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| Slotted | Slotted head |
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| Csk: | Countersunk head |
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| Rsd. csk: | Raised countersunk head |
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| Pan: | Pan head |
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| Rnd: | Round head |
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| Fillister: | Small “cheese” head, used for some connectors |
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| Button: | Rounded head with hex recess |
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| Cap: | Cheese head with hex recess |
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| Hex: | Hexagonal bolt head |
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| Flange: | Round head with flange |
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Materials | MS: | Mild steel |
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| HMS: | Hardened mild steel |
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| ZCP: | Zinc plated, clear passivated |
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| CB: | Chemical black |
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| BNP: | Bright nickel plated |
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| SZ: | Silver/zinc plated |
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| SC: | Self-coloured (unplated) |
Lengths given for metric fasteners are as measured conventionally. The lengths of imperial fasteners, where given in metric units, have been rounded to the nearest mm.