4-40 Combination Drill & Tap
Series 1994 2 Flute, Class 2B Fit
Item #: UNI 1110010
Union Butterfield Series 1994 Combination Drill & Tap
2B Class of Fit
Drills and taps in a single pass, reducing cycle
time. Commonly used in multi-spindle operations with reversing capacity. Designed to provide 65% thread engagement and a 2B class of fit.
2B Class of Fit
- Spiral Flute 15°
- Bright Finish
Drills and taps in a single pass, reducing cycle
time. Commonly used in multi-spindle operations with reversing capacity. Designed to provide 65% thread engagement and a 2B class of fit.
Item Specifications
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Union Butterfield
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0.0890"
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9/32"
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2
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1-29/32"
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1994
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0.1410"
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0.1100"
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3/8"
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4-40