Specifications: Size: M6 x 100mm. Pack quantity: 100. Forgefix Countersunk Torx® Compatible Head Lightning Bolts provide a virtually stress free fixing for close to edge applications. They are self-threading and allow quick and easy installation of most masonry fixing applications. They can simply be screwed into a pre-drilled hole, without the need for a sleeve or plug. The bolts are through-fixing, eliminating the need for marking and re-positioning. They have a high load capacity due to the thread interlocking into the base material. The Torx® compatible head provides increased control, and is countersunk to sit flush to the surface of the material. The bolts have an 'Elementech' coating for superior anti-corrosion, which has been salt spray tested to 1,000 hours. Applications: Widely used for fixing battens, balustrades, handrails, racking and holding down machinery, plus many more installation applications. Suitable for most masonry substrates including concrete and brickwork but