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427R11 Spiral-Point STI Taps

$21.76Including tariffs

Bulk orders will be discounted, please contact us.

The bright finish on these taps provides a smooth, polished surface. Cobalt taps are harder and provide more wear resistance when tapping hard materials at high speeds than high-speed steel taps.

Product Number: 427R11

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  • Description
Mfr Model A232079-STIUNF1/4
Thread Size 1/4"-28
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 19.00 mm
Overall Length 69.00 mm
Thread Limit H2; H3
Number of Flutes 3
Primary Material Application Nickel; Stainless Steel; Steel; Titanium
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 M; P; S
Shank Dia 8.08 mm
Shank Length 36.00 mm
Square Size 6.05 mm
Standards DIN 2184-1
Tap Chamfer Plug
Tap Style Spiral Point
Tap Thread Size 1/4"-28
Threads per Inch 28
UNSPSC 27112806
Country of Origin Germany (subject to change)
Thread Standard EGUNF
Features Increased Wear Resistance; Plug Chamfer; Screw Thread Insert (STI) Tap; Spiral Point
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Copper
Secondary Material Application ISO Code N
Spiral Direction Neutral
Class of Fit 3B
Thread Pitch 1.25mm

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