3/8 x 4 Lag Screw Kit with Washers (50 pcs) - galvanized

Name: 3/8 x 4 Lag Screw Kit with Washers (50 pcs) - galvanized
Brand: Makers Bolt
SKU: B0CSLBYFRB
Rating: 4.6 (215 reviews)

Makers Bolt ★ 4.60 (215 reviews) Mid-Range

Price tier: Mid-Range

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3/8 x 4 (50 Pack) Lag Screw Kit, 50 Screws and 50 washers, Hot Dip Galvanized, Meets ASME B18.2.1 Industrial/Commercial Grade by Makers Bolt

Lag screw kit with 50 grade 307A lag bolts and 50 flat washers, hot-dip galvanized for rust resistance. Includes 4" bolts, 3/8" diameter, washer outer 1". Suitable for ACQ lumber; pilot hole recommended. customer insight notes mixed hold capacity but good value

Highlights

galvanized for rust resistance
50 bolts + 50 washers
meets multiple standards

Pros

Hot-dip galvanized for rust resistance
Includes 50 washers with bolts
Meets multiple standards (ASTM A307, ASME B18.2.1, B18.21.1, ASTM F2329)
Good value for money
Suitable for ACQ treated lumber

Cons

Mixed feedback on hold capacity
Some reports of bolts breaking
Requires pilot holes for installation

Best For

outdoor deck-fastening
fence posts installation
ACQ-treated lumber projects
screened porch framing
shed construction
rafter-to-plate connections

Features

Diameter 3/8"
Length 4"
Head width 9/16", Kit includes 50 Grade 307A lag bolts and 50 USS flat washers (outside diameter 1"), Hot-Dip Galvanized for superior rust resistance, Suitable for use in ACQ treated lumber, pilot hole recommended for installation, Meets ASTM A307, ASME B18. 2. 1, ASME B18. 21. 1, and ASTM F2329.