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4EYR1 Straight-Flute STI Taps

$230.66Including tariffs

Bulk orders will be discounted, please contact us.

High-speed steel STI taps provide good wear resistance in general purpose tapping applications in a range of materials. These taps have a bright finish that provides a smooth, polished surface.

Product Number: 4EYR1

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  • Description
Mfr Model 8187-18
Thread Size 1-1/8"-7
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 3 in
Overall Length 6-1/16 in
Thread Limit H4
Number of Flutes 4
Thread Direction Right Hand
Extended Neck Yes
Measurement System Fractional Inch
Shank Dia 1-1/64 in
Standards ANSI; ISO 14001; ISO 9001; OS 9000
Tap Chamfer Plug
Tap Style Straight Flute (Hand)
Tap Thread Size 1-1/8"-7
Threads per Inch 7
UNSPSC 23153305
Country of Origin USA (subject to change)
Thread Standard UNC
Features Used For General Hand And Machine Tapping Operations
Shank Type Machining Straight
Spiral Direction Neutral

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