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33ZA77 Spiral-Flute STI Taps

$43.19Including tariffs

Bulk orders will be discounted, please contact us.

The TiCN coating on these taps protects them from wear and is harder and more wear-resistant than a TiN coating. These taps are made from powdered metal, which has a uniform microstructure and grain distribution that gives the material a similar strength as carbide. Powdered-metal taps are tougher and less likely to break than cobalt and high-speed steel taps. They are used for tapping highly abrasive materials such as high-silicon aluminum.

Product Number: 33ZA77

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  • Description
Mfr Model 31501108
Thread Size 5/16"-24
Tap Material Powdered Metal
Tap Finish TiCN
Thread Length 35/64 in
Overall Length 2-15/16 in
Thread Limit H2
Number of Flutes 3
Primary Material Application Hardened Steel; Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Extended Neck Yes
Interrupted Thread No
Material Grade Machining 315
Measurement System Fractional Inch
Primary Material Application ISO Code H; M; P
Shank Dia 3/8 in
Shank Length 1-43/64 in
Square Size 0.2850 in
Standards DIN 2184-1
Tap Chamfer Modified Bottoming
Tap Style Spiral Flute
Tap Thread Size 5/16"-24
Threads per Inch 24
UNSPSC 23153305
Country of Origin Mexico (subject to change)
Thread Standard UNF
Features OSG V-Coating; Powdered Metal VC-10 Substrate; Spiral Flute; Steam Oxide Surface Treatment; STI Spiral Flute Tap for Difficult to Machine Materials
Shank Type Machining Straight
Secondary Material Application Stainless Steel
Secondary Material Application ISO Code M
Spiral Direction Right Hand
Class of Fit 3B
Thread Pitch 1.00mm

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