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820RG7 Carbon Steel Straight-Flute Hand Taps

$3.61

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: 820RG7

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  • Description
Mfr Model 49-57-5108
Thread Size #4-40
Tap Material Carbon Steel
Tap Finish Black Oxide
Thread Length 0.75 in
Overall Length 2.0000 in
Thread Limit H2
Number of Flutes 4
Tap Length Standard USCTI
Tap Shank Standard USCTI
Primary Material Application Ferrous Metals; Non-Ferrous Metals
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size #4
Extended Neck No
Measurement System Decimal Inch
Shank Dia 9.30 mm
Square Size 0.322 in
Standards USCTI
Tap Chamfer Plug
Tap Style Straight Flute
Threads per Inch 40
UNSPSC 23153305
Country of Origin China (subject to change)
Thread Standard NC
Shank Type Machining Straight
Spiral Direction Neutral
Class of Fit 2A
Thread Pitch 1.75mm

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