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IMSCREWS 5/16 x 5 Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Extra-Long Structural Bolts for Framing & Landscape, 10 pcs
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"IMSCREWS 5/16 x 5 Heavy-Duty Lag Screws - 304 Stainless Steel (10 pcs)
Extreme Reach for Massive Timber Projects
Our 5-inch lag bolts are engineered for the most demanding structural applications. The 5/16 diameter provides professional-grade shear resistance, making these the ideal choice for anchoring heavy landscape timbers, large pergolas, or mounting multi-layered structural beams to 6x6 posts.
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 structure. This creates a gap-free, rock-solid joint, eliminating the bridging effect common in extra-long full-thread screws for a professional-grade finish.
304 Stainless Weather Protection
Forged from premium 18-8 (304) stainless steel for elite rust protection in outdoor and humid environments. compatible with ACQ pressure-treated lumber. Prevents unsightly rust streaks on high-value cedar, redwood, or premium deck framing.
FAQ
¡ñ Tools: Fits a standard 1/2 hex socket or wrench.
¡ñ Pre-drilling: Mandatory for this length. Use a 3/16 bit for softwoods or 7/32 bit for hardwoods to prevent timber splitting.
¡ñ Why 5 length? Optimized for passing through 3 or 3.5 thick timber with a deep 1.5 + thread anchor in the base post.
Specs:
- Size: 5/16 x 5
- Thread: Partially Threaded (Max Clamping)
- Material: 304 Stainless Steel
- Drive: 1/2 Hex Head
- Qty: 10 pcs"
View full details
Extreme Reach for Massive Timber Projects
Our 5-inch lag bolts are engineered for the most demanding structural applications. The 5/16 diameter provides professional-grade shear resistance, making these the ideal choice for anchoring heavy landscape timbers, large pergolas, or mounting multi-layered structural beams to 6x6 posts.
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 structure. This creates a gap-free, rock-solid joint, eliminating the bridging effect common in extra-long full-thread screws for a professional-grade finish.
304 Stainless Weather Protection
Forged from premium 18-8 (304) stainless steel for elite rust protection in outdoor and humid environments. compatible with ACQ pressure-treated lumber. Prevents unsightly rust streaks on high-value cedar, redwood, or premium deck framing.
FAQ
¡ñ Tools: Fits a standard 1/2 hex socket or wrench.
¡ñ Pre-drilling: Mandatory for this length. Use a 3/16 bit for softwoods or 7/32 bit for hardwoods to prevent timber splitting.
¡ñ Why 5 length? Optimized for passing through 3 or 3.5 thick timber with a deep 1.5 + thread anchor in the base post.
Specs:
- Size: 5/16 x 5
- Thread: Partially Threaded (Max Clamping)
- Material: 304 Stainless Steel
- Drive: 1/2 Hex Head
- Qty: 10 pcs"
Key Features
- ULTIMATE CLAMPING POWERThe 5 length with a partial thread allows the shank to bypass thick boards, pulling heavy timbers together for a gap-free, rock-solid joint.
- DEEP-CORE ANCHORING Optimized for heavy-load framing (beams, docks, and gazebos), providing elite withdrawal and shear resistance with massive 5-inch reach.
- 304 EXTERIOR DEFENSE Forged from premium 304 (18-8) stainless steel to prevent rust and corrosive staining in cedar, redwood, or ACQ pressure-treated lumber.
- [STABLE TORQUE DELIVERY] Robust hex head ensures a secure 1/2 socket fit, providing maximum torque transfer for controlled installation in dense hardwoods.
- TECHNICAL SPECIFICATION To ensure structural safety and prevent splitting, pre-drilling a pilot hole (7/32 for softwoods, 1/4 for hardwoods) is mandatory.
Specifications
- ASIN: B0F21GLQ1B
- Internal SKU: IMS0655
- Size: 5/16" x 5"
- Material: Stainless Steel
- Finish: Stainless Steel
- Head Style: Hex
- Package Quantity: 10
