IMSCREWS 1/2 x 3 Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Heavy Duty Wood Bolts for Structural Framing, 10 pcs
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"IMSCREWS 1/2 x 3 Extreme-Duty Lag Bolts - 304 Stainless Steel (10 pcs)
Industrial Strength for Structural Framing When standard fasteners fail, these 1/2 diameter bolts deliver massive shear resistance. Engineered for safety-critical joints, securing deck posts, or mounting heavy structural brackets to 4x4 or 6x6 beams. The 3-inch length ensures deep-core anchoring for maximum load-bearing capacity.
Vise-Like Clamping Power Our partially threaded shank features a smooth upper section that allows the bolt to pull the outer timber tightly against the support post. This creates a gap-free, rock-solid joint, eliminating the bridging effect common in long full-thread screws.
304 Stainless Protection Premium 18-8 (304) stainless steel resists rust in humid or coastal environments. compatible with ACQ pressure-treated lumber. Prevents unsightly rust streaks on cedar, redwood, or premium deck framing.
FAQ ¡ñ Tools: Fits a standard 3/4 hex socket or wrench. ¡ñ Pre-drilling: Mandatory. Use a 5/16 bit for softwoods or 11/32 bit for hardwoods to prevent timber splitting. ¡ñ Why 3 length? Perfect for passing through 1.5 timber with a deep 1.5 thread anchor in the base post.
ULTIMATE CLAMPING POWER The partially threaded design ensures the smooth shank bypasses the outer timber, pulling members together for a rock-solid, gap-free joint.
INDUSTRIAL SHEAR CAPACITY Featuring a massive 1/2-inch diameter for elite lateral load resistance, perfect for main support beams, pergolas, and deck posts.
304 EXTERIOR STABILITY Forged from premium 304 (18-8) stainless steel to inhibit oxidation and rust streaks. Fully compatible with ACQ pressure-treated lumber.
STABLE TORQUE DRIVE Precision-forged hex head fits 3/4 sockets perfectly, providing maximum torque transfer for controlled, slip-free seating in dense timber.
TECHNICAL SPECIFICATION To prevent timber splitting and protect the 1/2 shaft, pre-drilling a pilot hole (5/16 for softwoods, 3/8 for hardwoods) is mandatory.
