Throughbolts - Zinc M20 x 215 box 8

A versatile, torque controlled through fixing for use in a wide range of anchoring applications into concrete. Complete with hex full nut and washer. NOTE: If no torque wrench is available, tighten the nut 3 to 4 full turns from finger tight.

• Chamfered head design to prevent damage to thread during installation
• Zinc plated and passivated (3-5 microns)
• Manufactured from cold formed carbon steel (grade 5.8)
• Special expansion clip for rapid installation