IMSCREWS 5/16 x 1-1/4 Hex Head Lag Screws, 304 Stainless Steel, Fully Threaded Structural Wood Bolts, 20 pcs

"IMSCREWS 5/16 x 1-1/4 Heavy-Duty Lag Screws - 304 Stainless Steel (20 pcs)

Superior Shear Strength for Structural Hardware
Upgrade your fastening with the 5/16 industrial diameter. These bolts provide significantly higher lateral stability than standard 1/4 screws. Perfectly sized at 1.25 inches for securing heavy gate latches, steel brackets, or wall mounts to standard 2x lumber without piercing through the timber.

Fully Threaded for Maximum Grip
Features a fully threaded design to ensure total engagement from the sharp tip to the hex head. This maximizes surface area contact in medium depths, providing elite pull-out resistance and immediate structural bite in both softwoods and hardwoods.

304 Stainless Exterior Defense
Forged from premium 18-8 (304) stainless steel for professional-grade rust protection. compatible with ACQ pressure-treated lumber. Prevents unsightly rust streaks on high-value cedar, redwood, or outdoor deck framing.

FAQ
• Tools: Fits a standard 1/2 hex socket or wrench.
• Pre-drilling: Recommended. Use a 3/16 bit for softwoods or 7/32 bit for hardwoods to prevent timber splitting.
• Why 1-1/4 length? Ideal for maximizing thread engagement in 1.5 thick boards (like 2x4s) while maintaining a clean finish.

Specs:
- Size: 5/16 x 1-1/4
- Thread: Fully Threaded (Max Grip)
- Material: 304 Stainless Steel
- Drive: 1/2 Hex Head
- Qty: 20 pcs"

Key Features

• ROCK-SOLID LATERAL STABILITY The heavy-duty 5/16 shaft provides massive resistance to shear forces, making it perfect for high-load hinges and bracket mounting.
• FULL-DEPTH THREAD ENGAGEMENT Engineered with full threading to maximize wood fiber grip within a 1.25 depth, preventing pull-out in compact timber projects.
• 304 EXTERIOR DEFENSE Forged from 304 (18-8) stainless steel to endure high humidity and prevent rust streaks on redwood, cedar, or pressure-treated wood.
• PRECISION TORQUE TRANSFER Features a robust hex head for 1/2 socket drives, ensuring controlled, high-torque installation without the rounding associated with lower-grade screws.
• PRO-FIT PARAMETERS To ensure structural integrity and prevent splitting, pre-drilling a pilot hole (7/32 for softwoods, 1/4 for hardwoods) is recommended.

Specifications

• ASIN: B0F21C791S
• Internal SKU: IMS0632
• Size: 5/16" x 1-1/4"
• Material: Stainless Steel
• Finish: Stainless Steel
• Head Style: Hex
• Package Quantity: 20