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SWTC-26 Nut & Bolt, Inch & Metric, Original Version

SWTC-26 Nut & Bolt, Inch & Metric, Original Version

Q: Are the size markings embossed into each tool or just printed/etched onto the surface.

Each thread checker is permanently identified by stamping. The zinc-plated inch series markings are then filled with red paint and the black oxide metric series with white paint. Identity markings include both the thread major diameter and thread pitch. If and when the filler paint wears out each size remains identifiable due to the stamping depth.

Q: I'm looking for the most affordable thread checker, that has male and female threads for nuts & bolts. Also tells what drill size to use for each size

The purpose of the thread checker is to identify existing threads. There is no mention of drill size except that a 1/4"-20 bolt should fit a 1/4" hole and so on for each thread size. If the intention is to thread something, drill size should be noted with the tap or dye. Where these thread checkers really come in handy is for close SAE and Metric sizes. I have several styles and love them all. The thread checker on a flat plate like a drill gauge is the cheapest but it is good if it will fill your needs but the sizes are restricted. The others cost more but are worth it.

Q: what sizes in inch identified

Looks like someone else has answered your size question.

Q: This looks like i can check a threaded hole for bolt size. if i have a bolt i don't know the size of, will this work?

Yes, this works for bolt thread identification. Each thread size checker has both male and female threads.

Product ID: 81226009

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Details

Material
Stainless
Fastener Type
Bolt and
Thread Size
Many
Exterior Finish
Zinc
Color
Original

📏14 inch sizes

🔩26 gauges

⚙️12 metric sizes

Frequently Bought Together

Description

🔧 Unlock the Power of Precision!

DURABLE DESIGN - Clear zinc plating for inch gauges and black oxide for metric ensures longevity.
VERSATILE UTILITY - Perfect for professionals and DIY enthusiasts alike, bridging the gap between inch and metric.
PERMANENT MARKINGS - Sizes are permanently stamped for easy identification—no more guesswork!
QUICK VERIFICATION - Individual gauges rotate freely on a wire cable for fast and efficient thread verification.
PRECISION AT YOUR FINGERTIPS - Easily check both inch and metric sizes with 26 male/female gauges.

The SWTC-26 Nut & Bolt Checker is a versatile tool featuring 26 male/female gauges, with 14 inch and 12 metric thread sizes permanently stamped for easy identification. Designed for durability, the gauges rotate freely on a wire cable, making thread verification quick and efficient. Ideal for both professionals and DIY enthusiasts, this tool ensures you have the right size at your fingertips.

Have a Question? See What Others Asked

Are the size markings embossed into each tool or just printed/etched onto the surface.

I'm looking for the most affordable thread checker, that has male and female threads for nuts & bolts. Also tells what drill size to use for each size

what sizes in inch identified

This looks like i can check a threaded hole for bolt size. if i have a bolt i don't know the size of, will this work?

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TrustScore 4.5 | 7,300+ reviews