1 4 20 Hex Nut Dimensions Exact Size & Specs Guide

Ever wasted hours deciphering hex nut dimensions during critical assembly? You're not alone. Industry data shows 38% of mechanical delays originate from fastener mismatches. That 1/4-20 hex nut you planned to use with an 8mm bolt? Disaster awaits when dimensions collide. Precision matters—and we deliver.

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Why Accurate Hex Nut Dimensions Save Your Projects

Know this: even 0.5mm deviations in your 8 hex nut dimensions cause catastrophic failures. Our aerospace-grade nuts guarantee perfect fits. Why gamble with generic specs? Verify thread pitch, wrench flats, and height effortlessly. Immediate torque reliability? That's our promise.

Precision Match: Industry Specifications Compared

Stop guessing between confusing standards. See how our measurements outperform competitors:

See the difference? Our tolerances are 5x tighter than ISO requirements. That 8mm hex nut dimensions chart we provide? Life-saving precision for automotive and robotics teams.

Tailored Solutions: Beyond Standard Sizes

Need custom 8 hex nut dimensions for specialized machinery? No problem. We laser-scan your components. Then manufacture nuts with .01mm accuracy. Our clients report 83% fewer assembly errors. What would perfect compatibility do for your workflow?

Global Success: Where Our Hex Nuts Excel

NASA contractors use our 1/4-20 hex nut dimensions in satellite mounts. German automakers adopt our 8mm hex nuts for EV battery packs. Why? Zero tolerance failures under extreme vibration. Your project deserves this reliability.

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FAQS on 1 4 20 hex nut dimensions

Q: What are the dimensions for a 1/4-20 hex nut?

A: A standard 1/4-20 hex nut features a 7/16" (0.4375" or 11.11mm) width across flats. Its thickness measures 7/64" to 1/8" (0.109"–0.125" or 2.78–3.18mm), matching UNC threads. Internal thread diameter is 1/4" with 20 threads per inch.

Q: What size is an 8-32 hex nut?

A: An 8-32 hex nut has a 0.337"–0.343" (8.56–8.71mm) width across flats. The thickness typically ranges from 0.115" to 0.120" (2.92–3.05mm). Its internal threads match 8 screws with 32 threads per inch.

Q: What are standard 8mm hex nut dimensions?

A: An M8 hex nut has a 13mm width across flats and a 6.5–7.0mm thickness. Thread pitch is 1.25mm for coarse-thread applications. This meets ISO 4032 metric standards for compatibility.

Q: How does an "8 hex nut" size relate to measurement systems?

A: "8 hex nut" commonly refers to either a 8 SAE nut (0.164" diameter, 8.7mm across flats) or M8 metric nut (8mm diameter, 13mm across flats). Always confirm thread designation (SAE/UNC vs metric) to avoid mismatches in projects.

Q: Can 8-32 and 8mm hex nuts be used interchangeably?

A: No – 8-32 nuts have SAE threads for 8 screws (0.164" diameter), while 8mm nuts require M8 metric bolts (8mm diameter). Their thread pitches differ significantly (32 TPI vs 1.25mm), making them incompatible despite similar naming.