Hillman 3/8 in. Diameter x 1-1/2 in. Length Zinc-Plated Steel Hex Bolt, 100-Pack R-19 Insulation A: Drill a hole matching

A: Drill a hole matching the bolt diameter and tighten with a wrench or socket on the hex head

Coarse thread and partial shank deliver strong grip and reduced shear movement

drill a hole matching the 3/8 in

25 coarse thread hardware

Underlayment is included

Hillman 3/8 in. Diameter x 1-1/2 in. Length Zinc-Plated Steel Hex Bolt, 100-Pack R-19 Insulation A: Drill a hole matchingZinc Plated Steel Hex Bolt, 3 8 in. x 1 1 2 in. (100 Pack) Durable Hillman hex bolts engineered for general purpose fastening in wood or metal. Zinc plated Grade 2 steel resists corrosion and features a partially threaded shank for strong grip and reduced shear movement. Key Features: General Purpose Strength: Grade 2 steel suitable for most everyday fastening tasks Corrosion Resistance: Zinc plated finish helps protect against rust in typical