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428Z12 Spiral-Point STI Taps

$38.26Including tariffs

Bulk orders will be discounted, please contact us.

The bright finish on these taps provides a smooth, polished surface. High-speed steel taps provide good wear resistance in general purpose tapping applications in a range of materials.

Product Number: 428Z12

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  • Description
Mfr Model P223009-EGUNC1/4
Thread Size 1/4"-20
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 18.00 mm
Overall Length 90.00 mm
Thread Limit H3
Number of Flutes 3
Primary Material Application Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Extended Neck Yes
Material Grade Machining Vanadium High Speed Steel
Measurement System Fractional Inch
Primary Material Application ISO Code P
Shank Dia 7.00 mm
Shank Length 55.00 mm
Square Size 6.20 mm
Standards DIN 2184-1
Tap Chamfer Plug
Tap Style Spiral Point
Tap Thread Size 1/4"-20
Threads per Inch 20
UNSPSC 27112806
Country of Origin India (subject to change)
Thread Standard UNC
Features For Long-Chipping Materials
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Composite; Copper
Secondary Material Application ISO Code N; O
Spiral Direction Neutral
Class of Fit 3B
Thread Pitch 1.25mm

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