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33YG77 General Purpose Spiral-Point Taps

$20.53

Bulk orders will be discounted, please contact us.

Oversized taps have a slightly larger pitch diameter than standard taps. They are used to make threads in a hole before a coating or treatment is applied to the hole. Once the coating or treatment is applied, the threads will be reduced to the standard pitch diameter. 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.

Product Number: 33YG77

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  • Description
Mfr Model 1592601
Thread Size 1/2"-20
Tap Material High Speed Steel
Tap Finish Black Oxide
Thread Length 15/16 in
Overall Length 3-11/32 in
Thread Limit H10
Number of Flutes 3
Tap Length Standard USCTI
Tap Shank Standard USCTI
Primary Material Application Aluminum; Cast Iron; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.4480 in; 0.4513 in; 0.4545 in; 0.4578 in; 0.4610 in
Extended Neck Yes
Material Grade Machining M35
Measurement System Fractional Inch
Primary Material Application ISO Code K; N; P
Shank Dia 11/64 in
Shank Length 1-31/32 in
Square Size 0.2740 in
Standards ANSI
Tap Chamfer Plug
Tap Thread Size 1/2"-20
Threads per Inch 20
Manufacturer Part Number 1592601
UNSPSC 23153305
Country of Origin Mexico (subject to change)
Thread Standard UNF
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Steel
Secondary Material Application ISO Code K; N; P
Spiral Direction Neutral
Class of Fit 6H
Thread Pitch 0.80 mm

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