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428P02 High-Performance Spiral-Flute Taps for Steel & Stainless Steel

$148.99

Bulk orders will be discounted, please contact us.

These taps are designed for tapping steel. They have a TiN coating that protects them from wear and allows them to be used at higher speeds than taps with a bright finish.

Product Number: 428P02

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  • Description
Mfr Model M2256305-UNC7/8
Thread Size 7/8"-9
Tap Material High Speed Steel
Tap Finish TiN
Thread Length 25.00 mm
Overall Length 140.00 mm
Thread Limit H6; H7
Number of Flutes 4
Tap Length Standard DIN
Tap Shank Standard DIN 2184-1
Primary Material Application Stainless Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.7680 in
Extended Neck Yes
Helix Angle 40 °
Material Grade Machining VAP
Measurement System Fractional Inch
Primary Material Application ISO Code M
Shank Dia 18.00 mm
Shank Length 47.00 mm
Square Size 14.50mm
Standards DIN 2184-1
Tap Chamfer Modified Bottoming; Semi-Bottoming
Tap Style Spiral Flute
Tap Thread Size 7/8"-9
Threads per Inch 9
UNSPSC 27112806
Country of Origin Germany (subject to change)
Thread Standard UNC
Features For Long Chipping Materials
Shank Type Machining Straight
Secondary Material Application Steel
Secondary Material Application ISO Code P
Spiral Direction Right Hand
Class of Fit 2B
Thread Pitch 1.00mm
Powdered Metal Base Material Cobalt

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