AltitudeCraft SUS304 Stainless Steel Thread Checker – 28 Metric & SAE Sizes
Built for machinists, mechanics, and serious DIYers, this bolt and nut thread gauge combines SUS304 stainless steel bolts with an aerospace-grade 6061 aluminum base—delivering unmatched accuracy, durability, and convenience for everyday use.
Key Features
Rustproof, precision-machined bolts that last up to 10× longer than carbon steel.
Lightweight, corrosion-resistant, and more durable than plastic or mild steel alternatives.
Identify M4×0.7–M14×2.0 and #6-32 to 1/2-20 threads quickly and reliably.
Inch & cm scales are permanently engraved for accuracy that never fades.
Two pre-drilled holes for wall mounting or easy transport in your toolbox or truck.
Silicone grips keep the board stable on your bench without scratching surfaces.
Why Choose Altitude Craft?
Unlike flimsy plastic gauges, this industrial-grade tool is engineered to last a decade or more. Each bolt is crafted to Go/No Go Class 2B ANSI standard, ensuring you can trust every measurement. Perfect for identifying bolts in construction, automotive, or workshop environments.
Specifications
| Base Material | 6061 Aluminum Alloy Plate |
| Bolts | SUS304 Stainless Steel (rustproof, precision-machined) |
| Thread Range | Metric M4 × 0.7 – M14 × 2.0 SAE #6-32 – 1/2-20 |
| Ruler | Laser-etched inch & cm dual scale |
| Mounting | Pre-drilled holes + non-slip silicone pads |
What Professionals Are Saying
“This tool eliminated all guesswork in my shop. Durable, precise, and hangs right on the wall.”
— ★★★★★ Daniel P., Machinist
“I work on cars daily, and this saves me time every single job. The stainless bolts are rock solid.”
— ★★★★★ Marcus L., Mechanic
FAQs
Does it cover both Metric and SAE?
Yes, it identifies 28 sizes across both standards for maximum versatility.
Will the markings fade?
No—laser-etched rulers and labels are permanent and resist wear.
How long will it last?
Designed for 10+ years of daily workshop use, thanks to stainless steel and aluminum construction.