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449T45 General Purpose Spiral-Point Taps

$7.11

Bulk orders will be discounted, please contact us.

UN coarse (UNC) taps have fewer threads per inch than UN fine (UNF) taps. Compared to UNF taps, UNC taps perform better in threading applications on brittle materials and are less likely to cross thread. Coarse threads can also withstand more physical abuse than fine threads. The bright finish on these taps provides a smooth, polished surface.

Product Number: 449T45

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  • Description
Mfr Model 313500
Thread Size 1/4"-20
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 1 in
Overall Length 2-1/2 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 #7
Extended Neck Yes
Material Grade Machining WU40EG
Measurement System Fractional Inch
Primary Material Application ISO Code N; P
Shank Dia 1/8 in
Shank Length 1-1/2 in
Square Size 0.1910 in
Standards USCTI TABLE 303A
Tap Chamfer Plug
Tap Thread Size 1/4"-20
Threads per Inch 20
Manufacturer Part Number 313500
UNSPSC 23153305
Country of Origin USA (subject to change)
Thread Standard UNC
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Copper
Secondary Material Application ISO Code N
Spiral Direction Neutral
Class of Fit 1B
Thread Pitch 2.50 mm

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