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Flash Sale 21-891-7 Spi Hole Mike .275" - .350" W/ Cert + Free Return [GrdbUBTL]

$57.99 $185.99 -69%

Accurate Bore Measurement with SPI Hole MikeIntroducing the SPI Hole Mike 3-Point Internal Micrometer, your ultimate tool for precise bore diameter measurements. This high-quality instrument is designed to deliver exceptional accuracy and reliability

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Flash Sale 21-891-7 Spi Hole Mike .275" - .350" W/ Cert + Free Return [GrdbUBTL]

Accurate Bore Measurement with SPI Hole Mike

Introducing the SPI Hole Mike 3-Point Internal Micrometer, your ultimate tool for precise bore diameter measurements. This high-quality instrument is designed to deliver exceptional accuracy and reliability, making it an essential addition to any precision measurement toolkit. The SPI Hole Mike offers a versatile measuring range of 0.275" to 0.350", ensuring it meets the needs of a wide range of applications. Its features, such as self-aligning and self-centering capabilities, carbide measuring anvils, and a ratchet stop, provide consistent and uniform measuring pressure, guaranteeing accurate readings every time.

Technical Specifications and Benefits

Equipped with a 0.0001" reading precision, the SPI Hole Mike ensures that even the smallest details are captured accurately. The 2.00" measuring depth allows for comprehensive measurements, while the included setting ring simplifies the adjustment process. The product comes complete with a Certificate of Calibration, ensuring traceability and compliance with industry standards. Other features include a durable case for safe storage and protection, as well as feelers that taper toward the back for positive reading of the front edge. These benefits make the SPI Hole Mike an indispensable tool for professionals who demand the highest level of precision in their work.

Practical Applications and Target Audience

Whether you're an engineer, machinist, or hobbyist, the SPI Hole Mike is designed to meet your measurement needs. Its ability to measure to within 0.050" of the bottom of blind holes, up to a capacity of 4", makes it highly versatile and suitable for a wide range of applications. The SPI Hole Mike is ideal for use in industries such as aerospace, automotive, and manufacturing, where precise bore measurements are critical. Its user-friendly design and reliable performance make it the perfect choice for professionals and enthusiasts alike, ensuring that you can trust the accuracy of your measurements every time.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

I'm very happy with the quality of this work.

- Yusuf G..

January 25, 2026

Absolutely no complaints!

It's a very well-made product, I am so pleased.

- Ezra E..

January 25, 2026

Absolutely no complaints!

It has a premium look and feel.

- Keith N..

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