750 Series: Armoured Steel Shutter Lock The 750 series padlocks have been specifically designed for use on roller shutter doors but can be used in any application as an alternative to closed shackle padlocks. The shackle configuration, especially when used in conjunction with a security hasp & staple, prevents attack by conventional bolt cutters. The hardened steel cover provides a high degree of drill resistance. 
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Please note: Hardened steel padlocks require regular maintainance if they are to be used outside. This would include regular cleaning, and lubrication with a general purpose lubricating oil (not wd40). | ||
