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33ZG77 Spiral-Point STI Taps

$209.57Including tariffs

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. 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.

Product Number: 33ZG77

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  • Description
Mfr Model 31404101
Thread Size 1"-8
Tap Material Powdered Metal
Tap Finish Black Oxide
Thread Length 1-3/4 in
Overall Length 5-3/4 in
Thread Limit H6
Number of Flutes 4
Primary Material Application Hardened Steel; Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Extended Neck Yes
Material Grade Machining 314
Measurement System Fractional Inch
Primary Material Application ISO Code H; M; P
Shank Dia 1-1/64 in
Shank Length 3-23/64 in
Square Size 0.7660 in
Standards DIN 2184-1
Tap Chamfer Plug
Tap Style Spiral Point
Tap Thread Size 1"-8
Threads per Inch 8
UNSPSC 23153305
Country of Origin Mexico (subject to change)
Thread Standard UNC
Features OSG V-coating; Powdered Metal VC-10 substrate; Screw Thread Insert (STI) Tap; Spiral Point; Steam Oxide Surface Treatment; STI Spiral Point Gun Tap for Difficult to Machine Materials
Shank Type Machining Straight
Secondary Material Application Stainless Steel
Secondary Material Application ISO Code M
Spiral Direction Neutral
Class of Fit 3B
Thread Pitch 1.25mm

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