Simpson 0.390 x 4" Strong-Drive SDCP TIMBER-CP Screw T40, Yellow Zinc PACK:30 Pk threaded rod with 20 threads

threaded rod with 20 threads per inch (TPI)

Chrome lead screws on X and Y axis for smooth

Glulam beam hip-ridge connections requiring a standardized load capacity

Spindle lock for simple change of tools

Threaded grippers hold each bolt in the same location and height

Simpson 0.390 x 4" Strong-Drive SDCP TIMBER-CP Screw T40, Yellow Zinc PACK:30 Pk threaded rod with 20 threadsThe Simpson Strong Drive SDCP Timber CP Screw is a structural fastener engineered for cross laminated timber construction, mass timber construction, and general interior framing applications. With a yellow zinc coated finish, a flat head profile with underhead nibs for clean countersinking, and a Type 17 cutting point for efficient penetration, this partially threaded screw is built to pull structural members together with superb holding power making