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Dormer EX311/4 | 0.2756″ Diameter x 3.1496″ OAL 3 Flute Steam Tempered Coated Spiral Flute Tap – All Industrial Tool Supply

Name: Dormer EX311/4 | 0.2756" Diameter x 3.1496" OAL 3 Flute Steam Tempered Coated Spiral Flute Tap - All Industrial Tool Supply
SKU: 15023818
Availability: InStock

$38.16 ~~$47.70~~

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Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 1/4" with 28 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 7.0mm shank and 5.5mm square drive, powder metallurgical HSS-

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SKU: 15023818 Category: Threading Tools

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Description

Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 1/4″ with 28 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 7.0mm shank and 5.5mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 45 Degree helix angle for 2.5xD blind hole threading in alloy steel.