Simpson 3/4 x 10-1/2 Retrofit Bolt Zinc Plated RFB#6X10.5 PACK:25 Pk They are not designed for

They are not designed for use with any other screw type or brand

4x sawn lumber

It is suitable for connecting double or greater 2x members and serves as a versatile

Angled joist nailing easier in tight spaces

Featuring a proprietary quad-head dual-cutter design and high-volume double-helix flute geometry

Simpson 3/4 x 10-1/2 Retrofit Bolt Zinc Plated RFB#6X10.5 PACK:25 Pk They are not designed forSimpson RFB#6X10. 5 RFB 3 4 in. x 10 1 2 in. Zinc Plated Retrofit Bolt, Grade 36 is a pre cut threaded rod from Simpson Strong Tie, designed to work with anchoring adhesives to anchor into existing concrete and masonry. Each end of the threaded rod is stamped with the rod length in inches and color coded to indicate the grade or type of steel, enabling quick and easy identification after installation. For 1 2 in. diameters and larger, the distinctive