Products for bench top machinists | LittleMachineShop.com

Screw Pitch Gage, Inch 51 Leaves, PEC

Screw Pitch Gage, Inch 51 Leaves, PEC - Main image
$37.17 $59.95 In stock

Gages made by Product Engineering Corporation (PEC) made in the US are the industrial standard for precision and durability.

Made from a high-quality chrome-plated carbon steel which offers superior wear resistance and long-lasting, crisp graduations. Fully hardened, tempered and etched with precision.

The correct pitch is determined by engaging the blade teeth with the threads you are measuring. Gage measures 60 degree threads from 4-84 TPI.

Each blade is clearly marked with the thread size and a each node of the gage has a locking wheel to secure the blade when measuring.

This screw pitch gage measures the following screw pitches:
Leave Sizes: 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18 threads per inch (TPI)
Leave Sizes: 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50 threads per inch (TPI)
Leave Sizes: 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84 threads per inch (TPI)

The gage comes in a sturdy protective case.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

Scarlett G. ★★★★★

Finally got around to swapping out my old beat-up gage and this one feels like a proper tool—the leaves snap into place with a clean, solid click and the chrome plating looks like it'll hold up for years in my shop. Reading the 51 leaves is a breeze, and you can tell the steel is quality just by the

Emma ★★★★★

The chrome plating is smooth and even, so the leaves slide out easily without any rough edges. I checked a few threads on a worn bolt and the pitch matched perfectly, feels like it’ll hold up for years.

Alexander A. ★★★★★

The chrome-plated finish feels solid and high-quality, and each of the 51 leaves snaps cleanly into position. This is exactly the precision I needed for measuring threads on older US-made equipment, and it's definitely built to last.