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 Toilet Paper Size Chart Guide
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Toilet Paper Size Chart Guide

Discover our comprehensive toilet paper size chart to help you choose the right roll size for your needs. Whether for home or business and compare different sizes.

100 Amp Wire Size Chart
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100 Amp Wire Size Chart

Wire a 100 amp service or subpanel to code. Zoro's 100 amp wire size chart covers copper and aluminum conductor sizes, ampacity, temperature ratings, and run-length factors per the NEC.

Copper Pipe Size Chart
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Copper Pipe Size Chart

Spec copper pipe correctly every time. Zoro's copper pipe size chart covers Type K and Type L outside diameter, inside diameter, and wall thickness for sizes 1/4" through 4".

Flange Size Chart
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Flange Size Chart

Specify the right flange every time. Zoro's flange size chart covers ASME B16.5 Class 150 and Class 300 flanges from 1/2" through 12" with OD, bolt circle, bolt count, and bolt hole size.

O-Ring Size Chart
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O-Ring Size Chart

Identify and replace O-rings accurately. Zoro's O ring size chart covers AS568A standard dash numbers with inside diameter and cross-section diameter for seals used in hydraulic, pneumatic, and industrial applications.

Metric Bolt Size Chart
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Metric Bolt Size Chart

Never misidentify a metric fastener again. Zoro's metric bolt size chart covers M3 through M36 hex bolts with thread pitch, head width, wrench size, and property class tensile strength ratings.

Tap Drill Size Chart
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Tap Drill Size Chart

Get the right hole size every time with our complete tap drill size chart. Covers UNC, UNF, and metric threads with recommended drill bits for 75% thread engagement.

Water Heater Recovery Rate Guide
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Water Heater Recovery Rate Guide

Gas vs. electric water heater recovery: Compare heating speeds, BTU/kW ratings, and how to find the first-hour rating (FHR) for your business.

PVC Air Hose vs Rubber Air Hose
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PVC Air Hose vs Rubber Air Hose

Choosing between a PVC air hose vs rubber air hose? Compare durability, cold-weather flexibility, and cost to find the best pneumatic hose for your shop.

Air Hose Connector Sizes
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Air Hose Connector Sizes

Not sure which air hose connector size you need? Compare 1/4 in, 3/8 in, and 1/2 in connectors by airflow, thread type, and application to build the right system.

Hose Clamp Size Chart
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Hose Clamp Size Chart

Stop guessing hose clamp sizes. Zoro's complete hose clamp size chart covers worm-drive sizes 6 through 88 with min and max clamping diameter in both inches and millimeters.

Nail Size Chart
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Nail Size Chart

Never grab the wrong nail again. Zoro's nail size chart covers penny sizes from 2d to 60d with lengths, shank diameters, and recommended applications for framing, finish work, and structural assembly.

Air Hose Size Chart
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Air Hose Size Chart

Stop losing tool power to pressure drop. Our air hose size chart provides the CFM and PSI specs small business owners need to choose between 1/4" and 3/8" lines.

Hydraulic Hose Size Chart
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Hydraulic Hose Size Chart

Master hydraulic hose sizing with our comprehensive guide for small business owners. Includes dash size charts, PSI ratings, and flow velocity specifications.

What is a Valve Timing Solenoid?
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What is a Valve Timing Solenoid?

VVT Solenoid Guide: Learn how your engine adjusts valve timing for peak performance and how to spot a failing solenoid.

What is a Solenoid Valve
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What is a Solenoid Valve

Master the basics of flow control. Learn how solenoid valves use electric current to open and close, including 2-way vs. 3-way designs.