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4HJN6 General Purpose Spiral-Flute Taps

$22.26

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.

Product Number: 4HJN6

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  • Description
Mfr Model 2987001
Thread Size 7/16"-20
Tap Material High Speed Steel
Tap Finish Black Oxide
Thread Length 1-7/16 in
Overall Length 3-5/32 in
Thread Limit H5
Number of Flutes 3
Tap Length Standard JIS
Tap Shank Standard ANSI
Primary Material Application Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.3855 in; 0.3888 in; 0.3920 in; 0.3953 in; 0.3985 in
Extended Neck Yes
Helix Angle 50 °
Material Grade Machining 298
Measurement System Fractional Inch
Primary Material Application ISO Code P1; P2
Shank Dia 5/16 in
Shank Length 1-23/32 in
Square Size 0.2420 in
Standards ANSI
Tap Chamfer Bottoming
Tap Style Spiral Flute
Tap Thread Size 7/16"-20
Threads per Inch 20
UNSPSC 23153305
Country of Origin Brazil (subject to change)
Thread Standard UNF
Features Slow Spiral
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Copper
Secondary Material Application ISO Code N
Spiral Direction Right Hand
Class of Fit 2B
Thread Pitch 0.70mm

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