Straight flute hand tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 1/2" with 13 TPI and 2B class of fit, dimensions according to ISO 529 standard with 9.0mm shank and 7.1mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys More information:  | | Coating name (Grade): | Bright | Surface treatement: | Original surface | Basic standard group (BSG): | ISO 529 | Body material code (BMC): | HSS | Brand Name: | Dormer | Clamping width - millimeter (WSC): | 7,1 mm | Connection diameter - millimeter (DCON MS): | 9 mm | Hand (Cutting direction): | Right | Flute Geometry (FDC): | straight chip flute | Flute helix angle (FHA): | 0 ° | Flute count (NOF): | 3 | Overall length - millimeter (OAL): | 89 mm | Premachined hole diameter - millimeter (PHD): | 10.8 mm | Thread diameter size (TDZ): | 1/2 | Thread diameter - millimeter (TD): | 12,7 mm | Thread form type (THFT): | UNC - Unified Coarse | Thread tolerance class (TCTR): | 2B | Threading length - millimeter (THL): | 22 mm | Threads per inch (TPI): | 13 | Usable length diameter ratio? (ULDR): | 1.5 XD | Ordering code ISO: | E5151/2NO2 |
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