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449T54 General Purpose Spiral-Point Taps

$15.62

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 bright finish on these taps provides a smooth, polished surface.

Product Number: 449T54

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  • Description
Mfr Model 313509
Thread Size 1/2"-20
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 1-5/8 in
Overall Length 3-3/8 in
Thread Limit H11
Number of Flutes 3
Tap Length Standard JIS
Tap Shank Standard JIS
Primary Material Application Aluminum; Brass; Bronze; Copper; Steel
Thread Direction Right Hand
Coolant Fed Coolant Through
Drill Bit Size 29/64 in
Extended Neck Yes
Material Grade Machining WU40EG
Measurement System Fractional Inch
Primary Material Application ISO Code N; P
Shank Dia 11/64 in
Shank Length 1-23/32 in
Square Size 0.2750 in
Standards USCTI TABLE 303A
Tap Chamfer Plug
Tap Thread Size 1/2"-20
Threads per Inch 20
Manufacturer Part Number 313509
UNSPSC 23153305
Country of Origin USA (subject to change)
Thread Standard UNF
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Copper
Secondary Material Application ISO Code N
Spiral Direction Right Hand
Class of Fit 1B
Thread Pitch 2.50 mm

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