M20 x 70 Heavy Duty Blind Bolts Steel 8.8 Geomet 500 HD2070ZF

The HD, or Heavy Duty, bolt was developed to address the need for a shorter blind fixing with improved performance where a shear plane would fall across the legs of a Blind Bolt. With its expanding base and unique pin locking mechanism the HD bolt is the idea fixing solution between heavy weight steel sections. The HD bolt employs a simple activation method designed to reduce installation time and expense. A hammer and a spanner are all thats required to active the HD Bolt removing the need for costly specialist equipment required with similar products.