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273RF4 General Purpose Spiral-Flute Taps

$8.63

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: 273RF4

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  • Description
Mfr Model 15435
Thread Size 1/8"-28
Tap Material High Speed Steel
Tap Finish TiN
Thread Length 3/4 in
Overall Length 2-1/8 in
Thread Limit H6
Number of Flutes 4
Tap Length Standard JIS
Tap Shank Standard ANSI
Primary Material Application All Materials
Thread Direction Left Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.4201 in; 0.4251 in; 0.4301 in; 0.4351 in; 0.4400 in
Extended Neck Yes
Helix Angle 50 °
Material Grade Machining WU40EG
Measurement System Fractional Inch
Primary Material Application ISO Code H; K; M; N; O; P; S
Shank Dia 7/32 in
Shank Length 1-3/8 in
Square Size 0.3280 in
Standards ANSI
Tap Chamfer Bottoming
Tap Style Spiral Flute
Tap Thread Size 1/8"-28
Threads per Inch 28
UNSPSC 23153305
Country of Origin Varies (subject to change)
Thread Standard BSPT (R/Rc/Rp)
Features Efficient Chip Evacuation; For Blind Hole Applications; Increased Wear Resistance; Spiral Flute Taps for Ferrous and Non-Ferrous Materials
Shank Type Machining Straight
Secondary Material Application Aluminum; Cast Iron; Steel
Secondary Material Application ISO Code K; N; P
Spiral Direction Neutral
Class of Fit 6G
Thread Pitch 0.50mm

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