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33ZD81 Spiral-Flute STI Taps

$31.22

Bulk orders will be discounted, please contact us.

The black-oxide finish on these taps retains lubricants to improve the taps' wear resistance and chip flow. Black-oxide taps should only be used on ferrous metals. Cobalt taps are harder and provide more wear resistance when tapping hard materials at high speeds than high-speed steel taps.

Product Number: 33ZD81

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  • Description
Mfr Model 30201401
Thread Size 5/16"-24
Tap Material High Speed Steel
Tap Finish Black Oxide
Thread Length 35/64 in
Overall Length 2-15/16 in
Thread Limit H3
Number of Flutes 3
Primary Material Application Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Extended Neck Yes
Interrupted Thread No
Material Grade Machining 302
Measurement System Fractional Inch
Primary Material Application ISO Code M; P
Shank Dia 3/8 in
Shank Length 1-11/16 in
Square Size 0.2860 in
Tap Chamfer Modified Bottoming
Tap Style Spiral Flute
Tap Thread Size 5/16"-24
Threads per Inch 24
UNSPSC 23153305
Country of Origin Brazil (subject to change)
Thread Standard UNF
Features High Performance
Shank Type Machining Straight
Secondary Material Application Stainless Steel
Secondary Material Application ISO Code M

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