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428H21 High-Performance Spiral-Point Taps for Multiple Materials

$41.95

Bulk orders will be discounted, please contact us.

The THL coating on these taps protects them from wear and provides better chip formation than TiN and TiCN coatings. THL-coated taps are suitable for threading high-speed steel, cast iron, and aluminum alloys, and they can be used with or without coolant.

Product Number: 428H21

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  • Description
Mfr Model EP2221302-UNC4
Thread Size #4-40
Tap Material High Speed Steel
Tap Finish THL
Thread Length 9.00 mm
Overall Length 56.00 mm
Thread Limit H2; H3
Number of Flutes 3
Tap Length Standard DIN
Tap Shank Standard ANSI
Primary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.0930 in
Extended Neck Yes
Material Grade Machining WP42EG
Measurement System Pipe
Primary Material Application ISO Code K; M; N; P
Shank Dia 3.50 mm
Shank Length 38.00 mm
Square Size 2.70 mm
Standards ANSI
Tap Chamfer Plug
Tap Thread Size #4-40
Threads per Inch 40
UNSPSC 27112806
Country of Origin Germany (subject to change)
Thread Standard UNC
Shank Type Machining Straight
Secondary Material Application Composite
Secondary Material Application ISO Code O
Spiral Direction Neutral
Class of Fit JIS 2
Thread Pitch 1.50 mm

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