【Lag Screws Size】Thread Diameter 0.25", Head Diameter 0.55", Length 5" Use with T30 Star Bit. Lag screw is made of high hardness steel, which has excellent durability after heat treatment 【Durable Material】These Wood Screws made of Thickened rod by, high quality low carbon alloy steel special heat treatment process，which has higher corrosion resistance and anti-rust effect than ordinary screws, longer service life, not easy to damage, more solid, excellent mechanical properties 【Wide Application】Heavy duty lag screws can be widely used in industrial applications,outdoor, family and other fields, and can be used in various materials,such as wood, thin metal plates,cement and thin plastics; Lag screws are very suitable for wood frame,fence,deck buildings,log buildings, landscape timber,interior/exterior remodeling, DIY project and other wood structures 【Surface Coating】The lag screws passed the 1000 Hour Salt Spray Test without coating failures.The surface of lag screws is treated with double coating, so they are rust-proof and corrosion-resistant.You can use them in extremely harsh environment, which is very reliable 【Easy Installation】These wood screws star-drive design maximizes torque and reduces cam-out, protecting the fastener and bit. The sharp, pointed tip and self-drilling feature make it easy to install these Heavy-Duty wood screws into decking and other wooden surfaces quickly and efficiently,The wooden screw adopts T30 star-shaped driving mode,and with T30 drill, it will not slip during use,and the operation is safe and efficient
25Pcs Lag Screws #14 x5 Structural Wood Screw Heavy Duty Construction Screw Star Drive Rust Resistant Washer Head Black Coated for Exterior Wood/Lag/Timber Screws with T30 Star Bit

Specifications:
Material: metal with 3 layer coating
Color: Black
Length:5 inch
Size: #14 X 5 inch
Diameter: Thread Diameter 0.25", Head Diameter 0.55"

Features:
1.The heavy duty lag screws made of Thickened rod by, high quality low carbon alloy steel special heat treatment process，which has higher corrosion resistance and anti-rust effect than ordinary screws, longer service life, not easy to damage, more solid, excellent mechanical properti.
2.The Construction heavy duty lag screws are made from carbon steel and epoxy exterior black coating, with high hardness and great corrosion resistance, passed 2000h salt spray test, withstand the weather for outdoor use
3.These lag screw bolts are ideal for outdoor, home and industrial applications such as deck building, log construction, timber framing, laminated beams and pole barns etc.this versatile piece of hardware is your tool for a spectrum of applications

Package includes: 25 X #14 X 5 inch wood screws+1Pcs T30 Star Bit

Notes:
1.Pointed items are included,please be careful when using and please keep them away from kids.
2.Manual measurement, please allow slight errors on size.
3.The color may exist a slight difference due to different screen displays.