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428R76 Spiral-Flute STI Taps

$45.33Including 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: 428R76

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  • Description
Mfr Model N235069-EGUNF1/4
Thread Size 1/4"-28
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 12.00 mm
Overall Length 90.00 mm
Thread Limit 3B
Number of Flutes 3
Primary Material Application Aluminum; Brass; Bronze; Copper
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Extended Neck Yes
Interrupted Thread No
Material Grade Machining Vanadium High Speed Steel
Measurement System Fractional Inch
Primary Material Application ISO Code N
Shank Dia 8.00 mm
Shank Length 55.00 mm
Square Size 6.20 mm
Standards DIN 2184-1
Tap Chamfer Modified Bottoming; Semi-Bottoming
Tap Style Spiral Flute
Tap Thread Size 1/4"-28
Threads per Inch 28
UNSPSC 27112806
Country of Origin India (subject to change)
Thread Standard EGUNF
Features For Long-Chipping Materials
Shank Type Machining Straight
Secondary Material Application Composite; Nickel; Titanium
Secondary Material Application ISO Code O; S
Spiral Direction Right Hand
Class of Fit 3B
Thread Pitch 2.00mm

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