E6515/16
Combination drill-tap with a 30° spiral flute, for Unified National Coarse thread UNC 5/16" with 18 TPI and 2B class of fit, dimensions according to DORMER-DIN standard with 8.0mm shank and 6.3mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel
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Material: HSS
Lenxth x Diameter Ratio: 1.5
Overall Length (OAL): 3.7008
Connetion Diameter: 0.315
Tool Direction: Right
Diameter Size: 5/16
Thread Diameter - in: 0.2598
Thread Diameter - mm: 6.6
TPI: 18.0
Thread Form: UNC - Unified Coarse
Shank: Cylindrical shank with Square
Grade: Steam Tempered
EDP: 273241
EAN: 7320760273241
MFG Part Number: 5978365