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45ER81 High-Performance Spiral-Flute Taps for Steel & Stainless Steel

$26.41

Bulk orders will be discounted, please contact us.

These taps are designed for tapping stainless steel. They have a hardlube coating. Sometimes called hardslick, hardlube has an inner layer of titanium aluminum nitride (TiAlN) and an outer layer of tungsten carbide/carbon (WC/C). The TiAlN layer withstands high temperatures and protects the taps from wear. The WC/C layer has a low coefficient of friction and helps prevent chips from sticking to the tool in dry-machining applications. These taps meet DIN length standards and have a longer overall length than taps that meet ISO, ANSI, and JIS length standards. They also meet ANSI shank standards, which means they measure their shank diameter in inches and fit in standard tools used in the U.S.

Product Number: 45ER81

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  • Description
Mfr Model C98015
Thread Size 1/4"-28
Tap Material Cobalt
Tap Finish Hard Lube
Thread Length 1-1/4 in
Overall Length 3-1/8 in
Thread Limit 6HX
Number of Flutes 3
Tap Length Standard DIN
Tap Shank Standard ASME; DIN
Primary Material Application Cast Iron; Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size #3
Extended Neck No
Helix Angle 38 °
Material Grade Machining PER-980SF
Measurement System Fractional Inch
Primary Material Application ISO Code K; M; P
Shank Dia 1/4 in
Shank Length 1-7/8 in
Square Size 0.1910 in
Standards DIN/ASME
Tap Chamfer Semi-Bottoming
Tap Style Spiral Flute
Tap Thread Size 1/4"-28
Threads per Inch 28
UNSPSC 23153305
Country of Origin USA (subject to change)
Thread Standard UNF
Features Square End Shank
Shank Type Machining Straight
Secondary Material Application Cast Iron; Stainless Steel; Steel
Secondary Material Application ISO Code K; M; P
Spiral Direction Right Hand
Class of Fit 2B
Thread Pitch 2.50mm

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