Simpson 3/8" Heli-Tie Replacement Test Key HELIKEY37A Hydraulic Strong-Drive SDS Heavy-Duty Connector screws

Strong-Drive SDS Heavy-Duty Connector screws deliver fast installation and attach to a greater net section area of the column than standard bolt attachments

62SDS is designed to be compatible with rough-cut lumber

Concrete applications without cleaning dust from predrilled holes

High-wind structural connections

Simpson 3/8" Heli-Tie Replacement Test Key HELIKEY37A Hydraulic Strong-Drive SDS Heavy-Duty Connector screwsSimpson 3 8" Heli Tie Replacement Test Key (HELIKEY37A) is a purpose built replacement key designed specifically for use with the Heli Tie wall tie tension tester. This Simpson accessory is engineered to grip the Heli Tie fastener securely, helping ensure accurate load readings and reliable installation results when testing wall ties onsite in any specific structure. Key Features Specifically designed for use with the Heli Tie wall tie tension tester