SPI 21-914-7 3-Point Hole Mike: 3.50-4.00″
Product Code: 21-914-7MFGID: 21-914-7
Brand: SPI
Product Description
21-914-7 SPI 3-Point Hole Mike: 3.50-4.00″
The SPI 21-914-7 3-Point Hole Mike has the following specifications:
- Range: 3.50-4.00″
- Graduations: .0002″
- Accuracy: +/- .0002″
- Setting Ring Size: 3.50″
- Contacts: 3-Point
Features:
- Models up to and including 0.24″ have two measuring points and models 0.275″ and above have three measuring points.
- Calibrated setting rings on sizes up to 4″ included.
- Self-centering contact points for accurate measurements.
- Contact points allow measurements near to the bottom of a blind bore or in a deep bore using additional extensions.
- Ratchet thimble.
- Carbide measuring surfaces.
- Short Form Certificate of Calibration included on sizes up to 4″.
- Furnished in a case.
- 2 year warranty.
SPI 2 & 3-Point Hole Mikes – Inch:
- 21-881-8 2-Point Hole Mike: .120-.160″
- 21-882-6 2-Point Hole Mike: .160-.200″
- 21-883-4 2-Point Hole Mike: .200-.240″
- 21-884-2 2-Point Hole Mike: .240-.280″
- 21-891-7 3-Point Hole Mike: .275-.350″
- 21-892-5 3-Point Hole Mike: .350-.425″
- 21-893-3 3-Point Hole Mike: .425-.500″
- 21-895-8 3-Point Hole Mike: .500-.650″
- 21-901-4 3-Point Hole Mike: .650-.800″
- 21-904-8 3-Point Hole Mike: .800-1.00″
- 21-905-5 3-Point Hole Mike: 1.00-1.20″
- 21-906-3 3-Point Hole Mike: 1.20-1.60″
- 21-907-1 3-Point Hole Mike: 1.60-2.00″
- 21-911-3 3-Point Hole Mike: 2.00-2.50″
- 21-912-1 3-Point Hole Mike: 2.50-3.00″
- 21-913-9 3-Point Hole Mike: 3.00-3.50″
- 21-914-7 3-Point Hole Mike: 3.50-4.00″
- 21-921-2 3-Point Hole Mike: 4.00-5.00″
- 21-922-0 3-Point Hole Mike: 5.00-6.00″
- 21-923-8 3-Point Hole Mike: 6.00-7.00″
- 21-924-6 3-Point Hole Mike: 7.00-8.00″
- 21-925-3 3-Point Hole Mike: 8.00-9.00″
- 21-926-1 3-Point Hole Mike: 9.00-10.00″
- 21-927-9 3-Point Hole Mike: 10.00-11.00″
- 21-928-7 3-Point Hole Mike: 11.00-12.00″
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