1/2-28 NEF Hand Bottom Tap
4 Flutes Hand Tap
Bottoming Style Chamfer for Blind Holes
H3 Thread Limit
Made in USA of Premium High Speed Steel
1/2-28 NEF (National Extra Fine) Tap is made of premium quality high speed steel in the USA. This is a bottom style taps for blind holes. High quality precision ground threads. Manufactured to Table 302/303 standards.
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