Fasteners & Screws

Lag Bolt vs Lag Screw: Is There Actually a Difference?

They are the same fastener. “Lag screw” is the technically correct term because it threads into wood without a nut; “lag bolt” is the common shop name

Bolt and Wrench Size Chart: SAE, Metric, Torque & Thread Pitch

Wrench and socket sizes for every SAE and metric bolt, plus thread pitch, heavy hex differences, SAE-to-metric near-swaps, and torque values derived f

Screw Size Chart: Gauge, Diameter & Pilot Hole

A #8 x 1-1/2 screw means nothing until you know what the numbers mean. Complete sizing chart for every screw type, with real pilot hole and clearance

Nail Size Chart: Penny Sizing Explained (8d, 10d, 16d & More)

Foundation Anchor Bolts: Code Spacing, Embedment & Seismic Retrofit (2026)

Anchor bolts tie the sill plate to the foundation, resisting exactly the uplift and lateral loads that matter most in an earthquake or windstorm. New

5 Types of Drywall Anchors — How Much Weight Can Drywall Hold? (2026)

Drywall is gypsum sandwiched in paper - it has almost no shear strength on its own. The right anchor spreads your load over enough of it to hold safel

Wedge Anchor vs. Epoxy Anchor: Which One Do You Need? (2026)

Wedge anchors are faster with no cure time. Epoxy anchors deliver higher capacity, work near edges, in cracked concrete, and resist vibration loosenin

Molly Bolt vs. Toggle Bolt: Which One Do You Need? (2026)

Molly bolts handle 25-50 lbs and are easy to reuse. Toggle bolts carry 75-150+ lbs but are permanent once installed. Full comparison with real weight

Drop-In Anchor vs. Wedge Anchor: Which One Do You Need? (2026)

Wedge anchors are faster and stronger in shear. Drop-in anchors need a setting tool but outperform wedge anchors in overhead tension loads and offer a

Wedge Anchor vs. Sleeve Anchor: Which One Do You Need? (2026)

Wedge anchors carry 40-60% more holding capacity but only work in solid concrete. Sleeve anchors are weaker but work in brick and hollow block. Full c

Wood Screw Size Chart: Gauges, Lengths & Pilot Holes

Complete wood screw size chart — gauge to diameter conversion, correct lengths for different wood thicknesses, pilot hole sizes, and which head type t

Self-Drilling Tek Screws: Types, Sizes & Uses

Complete guide to self-drilling screws (Tek screws) — drill point numbers, sizes, thread types, and which to use for sheet metal, metal framing, roofi